A strong battery jumper for a diesel truck should match the vehicle’s voltage and starting demands, with enough peak current for the engine and useful cables or charging features. The GOOLOO GT Truck PRO leads this lineup with a listed 10,000A peak current, 64,000mAh capacity, and compatibility with most large trucks and construction machinery. Other choices cover different needs: the VTOMAN V-Truck Pro is aimed at heavy-duty trucks, while the FlyAuto supports both 12V and 24V systems.
Several portable 12V models list diesel compatibility, but their stated engine limits and features differ. Check your truck’s system voltage and engine requirements before choosing; peak-current figures alone do not establish compatibility with every diesel truck.
The GOOLOO GT Truck PRO is the leading choice because it combines a listed 10,000A peak current with 64,000mAh capacity and stated compatibility with most large trucks and construction machinery. It also includes a 65W wall charger and carries an 18-month warranty. For buyers whose equipment requires 24V, the FlyAuto is a relevant alternative; for a product specifically titled for diesel semi trucks, consider the VTOMAN V-Truck Pro and check its requirement to have at least two battery bars before connecting.
Our Top Picks

Its 10,000A peak current and 64,000mAh capacity suit demanding starts, and the listing names large trucks and construction machinery as compatible.
View on Amazon
Semi Truck PickDesigned for diesel semi trucks, it offers 8,000A peak current and 41,600mAh capacity; the listing advises keeping at least two bars charged.
View on Amazon
12V/24V ChoiceIts 8,000A peak current and support for both 12V and 24V systems make it a flexible option for trucks and commercial vehicles.
View on Amazon- Extended Cables OXILAM Y5 Jumper
- 12L Diesel Fit OXILAM Y2 Jumper
Compare diesel-truck jump starters and key fit details
| # | Product | Battery Capacity | Voltage | Compatible with Vehicle Type | Buy |
|---|---|---|---|---|---|
| 1 | 1. GOOLOO GT Truck PROBest Overall | 64000 milliamp hours | 12 V | All of the above | View on Amazon |
| 2 | 2. VTOMAN V-Truck ProSemi Truck Pick | 41600 milliamp hours | 12 V | ATV, Bus, Lawn Mower, Motorcycle, Passenger… | View on Amazon |
| 3 | 3. FlyAuto 8000A Jumper12V/24V Choice | 40000 milliamp hours | 24 V | All vehicel | View on Amazon |
| 4 | 4. OXILAM Y5 JumperExtended Cables | 24000 amp hours | 12 V | All of the above | View on Amazon |
| 5 | 5. OXILAM Y2 Jumper12L Diesel Fit | 6000 amp hours | 12 V | All of the above | View on Amazon |
| 6 | 6. NOCO Boost GBX155Owners of large diesel engines | 6750 milliamp hours | 12 V | ATV, Motorcycle, Passenger Car, RV, Tractor… | View on Amazon |
| 7 | 7. AVAPOW TJ68 JumperLow-battery truck owners | 24000 milliamp hours | 12 V | ATV, All of the above, Lawn Mower… | View on Amazon |
| 8 | 8. AVAPOW TJ58 JumperTruck drivers wanting a screen | 20000 milliamp hours | 12 V | ATV, All of the above, Lawn Mower… | View on Amazon |
| 9 | 9. WOLFBOX MegaVolt24Diesel owners up to 10L | 6000 milliamp hours | 12 V | Passenger Car | View on Amazon |
| 10 | 10. Clore JNC660Mechanics wanting long cables | 22 | 12 V | ATV, Bus, Lawn Mower, Passenger Car, RV… | View on Amazon |
Detailed Reviews: Best Battery Jumper For Diesel Truck

#1 · Best Overall
1. GOOLOO GT Truck PRO
- Battery Capacity: 64000 milliamp hours
- Voltage: 12 V
- Compatible with Vehicle Type: All of the above
Best for: Heavy-truck and equipment owners.
Why it ranks #1: Its 10,000A peak current and 64,000mAh capacity suit demanding starts, and the listing names large trucks and construction machinery as compatible.
Its 10,000A peak output and eight automotive-grade lithium iron phosphate cells make the GOOLOO GT Truck PRO the highest-output option here for heavy-truck and construction-equipment starting. The 64,000mAh capacity and included 65W wall charger also give fleet or worksite users a substantial portable power pack to recharge between callouts.
The 12V compatibility covers most large trucks and construction machinery, while the listing also names pickups, off-road vehicles, motorcycles, and boats, making the pack useful across mixed vehicle fleets. Its 64,000mAh capacity gives it a substantial onboard reserve, and the included 65W wall charger supports recharging without sourcing a separate adapter. At 3.65 kg and roughly 11.2 by 7.3 by 9.9 inches, it is portable, but calls for dedicated storage space rather than a small glove compartment.
- 10,000A peak current
- Eight automotive-grade lithium iron phosphate cells
- 64,000mAh battery capacity
- Includes a 65W wall charger
- Its 3.65 kg weight and nearly 10-inch height take dedicated storage space.
Skip it if you need a small, light glove-box pack; the 3.65 kg unit measures 11.2 inches wide and 9.9 inches high.
For truck operators and equipment owners who want a high-output 12V jump pack with a large stated capacity, the GT Truck PRO is a substantial choice; allow room for its bulky dimensions and 3.65 kg weight.
Full product details
| Brand | GOOLOO |
|---|---|
| Battery Capacity | 64000 milliamp_hours |
| Compatible with Vehicle Type | All of the above |
| Included Components | 1* 65W Wall Charger, 1* Guidance Card, 1* Jump Starter, 1* USB-A to USB-C cable, 1* USB-C to USB-C cable |
| Dimensions | 7.3"D x 11.2"W x 9.9"H |
| Item Weight | 3.65 kg |
| Manufacturer | Shenzhen Carku Technology Co., Limited |
| Part Number | JS-617 |
| Manufacturer Warranty Description | 18 Month |
| Model Number | JS-617 |
| Voltage | 12 volts |
Listed on Amazon as: GOOLOO GT Truck PRO 10000A & 64000mAh Jump Starter with 65W Fast Charge
View on Amazon
#2 · Semi Truck Pick
2. VTOMAN V-Truck Pro
- Battery Capacity: 41600 milliamp hours
- Voltage: 12 V
- Compatible with Vehicle Type: ATV, Bus, Lawn Mower, Motorcycle, Passenger…
Best for: Diesel semi-truck operators.
Why it ranks #2: Designed for diesel semi trucks, it offers 8,000A peak current and 41,600mAh capacity; the listing advises keeping at least two bars charged.
The VTOMAN V-Truck Pro is explicitly positioned for diesel semi trucks and supplies 8000A peak current, a combination aimed at heavy-duty starting demands. Its instructions add an important operating condition: keep at least two battery bars on the jump starter before connecting, particularly when preparing for cold-weather or truck starts.
The 41,600mAh capacity gives this 12V unit a substantial stated reserve, while the compatibility list spans trucks, buses, tractors, and other vehicles, making it relevant to commercial and agricultural equipment. VTOMAN says the pack should have two or more bars remaining before connection to provide ample surge current, so checking charge becomes part of the pre-start routine. At 7 pounds and 10 by 6 by 7.5 inches, it is a portable unit, though its weight merits planned cab or service-vehicle storage.
- 8000A peak current
- Explicitly positioned for diesel semi trucks
- 41,600mAh capacity
- Listed compatibility includes trucks, buses, and tractors
- The instructions require at least two battery bars before connecting for optimal starting performance.
Skip it if you may need to connect with a nearly depleted pack; the NOCO Boost GBX155 lists a jump-start boost from a low charge.
Semi-truck and commercial-vehicle operators who can keep the unit charged should consider the V-Truck Pro for its stated 8000A output. Its two-bar pre-connection requirement matters for emergency readiness.
Full product details
| Brand | VTOMAN |
|---|---|
| Battery Capacity | 41600 milliamp_hours |
| Compatible with Vehicle Type | ATV, Bus, Lawn Mower, Motorcycle, Passenger Car, Scooter, Snowmobile, Tractor, Truck |
| Included Components | 1 X AC Adaptor, 1 X Guidance Card, 1 X USB Charging Cable, 1 X car jump starter |
| Dimensions | 10"D x 6"W x 7.5"H |
| Item Weight | 7 pounds |
| Manufacturer | Shenzhen Carku Technology Co.,Limited |
| Part Number | JS-395A |
| Manufacturer Warranty Description | 1.5 years warranty |
| Model Number | JS-395A |
| Voltage | 12 volts |
Listed on Amazon as: VTOMAN V-Truck Pro 8000A 12V Heavy Duty Jump Starter for Diesel Semi Trucks
View on Amazon
#3 · 12V/24V Choice
3. FlyAuto 8000A Jumper
- Battery Capacity: 40000 milliamp hours
- Voltage: 24 V
- Compatible with Vehicle Type: All vehicel
Best for: 12V and 24V fleet users.
Why it ranks #3: Its 8,000A peak current and support for both 12V and 24V systems make it a flexible option for trucks and commercial vehicles.
Support for both 12V and 24V systems is the FlyAuto unit’s key distinction for operators maintaining vehicles with different electrical systems. Its 8000A peak rating is listed for large gas and diesel engines, while the 40,000mAh capacity supports its role as a portable booster for trucks, RVs, and commercial vehicles.
For a fleet with both 12V and 24V vehicles, the stated dual-voltage support can reduce the need to keep separate jump starters for each system. The 8000A peak output and listed suitability for large gas and diesel engines address heavy-duty starting use, while the 40,000mAh capacity provides a substantial onboard reserve. The feature list also names Force Start, a digital display, LED light, and USB charging, adding a charge-status interface, illumination, and device charging to the roadside workflow.
- Supports 12V and 24V systems
- 8000A peak current
- 40,000mAh capacity
- Includes Force Start, digital display, LED light, and USB charging
- The included-components listing names only the jump starter, so accessories are not specified there.
Skip it if you need a clearly specified set of included clamps and charging accessories; the AVAPOW TJ58 lists clamps and a USB-C cable.
The FlyAuto is a fit for mixed-system fleets and work vehicles needing a listed 12V/24V, 8000A booster. Check the included-components listing when planning the cables and accessories required for your workflow.
Full product details
| Brand | FlyAuto |
|---|---|
| Battery Capacity | 40000 milliamp_hours |
| Compatible with Vehicle Type | All vehicel |
| Included Components | jump starter |
| Manufacturer | FlyAuto |
| Part Number | HH-989 |
| Manufacturer Warranty Description | 1 year |
| Model Number | 8000A |
| Voltage | 24 volts |

#4 · Extended Cables
4. OXILAM Y5 Jumper
- Battery Capacity: 24000 amp hours
- Voltage: 12 V
- Compatible with Vehicle Type: All of the above
Best for: Diesel owners needing cable reach.
Why it ranks #4: The 10,000A, 24,000mAh 12V unit lists gas and diesel compatibility and features extended 8 AWG cables, a useful distinction for connection reach.
OXILAM specifies extended 8 AWG jumper cables for this 10000A, 24,000mAh jump starter, emphasizing cable reach and current capacity alongside diesel-engine starting. That combination is useful for drivers who want a high-output 12V pack with an explicitly differentiated cable gauge rather than choosing solely by the peak-current figure.
The listing says the 8 AWG cables have lower resistance and higher current capacity than standard 10 AWG wires, linking the cable specification to current delivery during a start. Its 10000A peak rating and 24,000mAh capacity are stated for gas and diesel engines, while the 12V format suits the listed vehicle range. An LED display, LED light, USB, DC, and Type-C ports add status visibility, illumination, and several charging connections for roadside use.
- 10000A peak current
- 24,000mAh capacity
- Extended 8 AWG cables
- LED display, light, USB, DC, and Type-C ports
- The listed voltage is 12V, so it is not specified for 24V vehicle systems.
Skip it if you need a listed 24V system booster; the FlyAuto 8000A supports both 12V and 24V vehicles.
Diesel drivers seeking 10000A output and extended 8 AWG cables should consider this OXILAM for 12V vehicles. Its stated 12V voltage is the important boundary for commercial fleets.
Full product details
| Brand | OXILAM |
|---|---|
| Battery Capacity | 24000 amp_hours |
| Compatible with Vehicle Type | All of the above |
| Dimensions | 8.7"D x 4.7"W x 3.5"H |
| Item Weight | 3.36 ounces |
| Manufacturer | shenzhenshiruixuechuangxinkejiyouxiangongsi |
| Part Number | 1-OXILAM-DY-Y5 |
| Manufacturer Warranty Description | 48 months warranty |
| Model Number | Y5 |
| Voltage | 12 volts |

#5 · 12L Diesel Fit
5. OXILAM Y2 Jumper
- Battery Capacity: 6000 amp hours
- Voltage: 12 V
- Compatible with Vehicle Type: All of the above
Best for: Mixed gas and diesel drivers.
Why it ranks #5: The listing explicitly states compatibility with 12L diesel engines and claims up to 60 starts per charge from its 6,000A jump starter.
A stated 6000A peak current paired with support for gas engines and diesel engines up to 12L gives the OXILAM Y2 a broad target range for roadside starting. Its compact listed dimensions and integrated LED display, light, USB, and Type-C ports add useful functions for drivers carrying one emergency unit.
The 12V design and listed compatibility with trucks, tractors, RVs, motorcycles, and other vehicles make the Y2 relevant to mixed-use owners, not only passenger-car drivers. OXILAM says one full charge provides up to 60 jumpstarts, which can reduce how often a regularly carried pack needs recharging. The LED display helps check its status, while the LED light and USB and Type-C ports add illumination and device charging. Its 8.7-by-4.7-by-3.5-inch dimensions suit compact storage.
- 6000A peak current
- Listed for gas and up to 12L diesel engines
- Up to 60 jumpstarts per full charge, per listing
- LED display, light, USB, and Type-C ports
- Its 6000A peak rating is lower than the 8000A and 10000A options in this roundup.
Skip it if you want the roundup’s highest listed peak output; the AVAPOW TJ68 is rated at 10000A.
The Y2 suits drivers who want one compact 12V pack for varied vehicles, with a display and device ports alongside jump-starting. Its 6000A rating is the boundary for buyers comparing peak-output figures.
Full product details
| Brand | OXILAM |
|---|---|
| Battery Capacity | 6000 amp_hours |
| Compatible with Vehicle Type | All of the above |
| Dimensions | 8.7"D x 4.7"W x 3.5"H |
| Item Weight | 3.36 ounces |
| Manufacturer | DONGGUAN CARPOWER NEW ENERGY CO.,LTD |
| Part Number | OXILAM-DY-Y2-CA |
| Manufacturer Warranty Description | 48 months warranty |
| Model Number | Y2 |
| Voltage | 12 volts |
Listed on Amazon as: OXILAM Jump Starter 6000A for All Gas/12L Diesel, Car Battery Jumper Starter Portable, 12V Lithium Jump Box with Jumper Cables, LED Display, LED Light, Power Bank with USB, Type C Port
View on Amazon
#6
6. NOCO Boost GBX155
- Battery Capacity: 6750 milliamp hours
- Voltage: 12 V
- Compatible with Vehicle Type: ATV, Motorcycle, Passenger Car, RV, Tractor…
Best for: Owners of large diesel engines.
Why it ranks #6: Its stated diesel-engine limit is 8.0L, with 4,250A output, spark-proof and reverse-polarity protection, and USB-C PD recharging.
The NOCO Boost GBX155 states support for diesel engines up to 8.0L, alongside gas engines up to 10.0L, giving large-engine owners a clear compatibility boundary. Its 4250A output is paired with UltraSafe 2.0 spark-proof and reverse-polarity protection, features intended to make connections safer to manage.
The stated diesel limit of 8.0L helps buyers judge whether the GBX155 matches their engine before packing it for roadside use; it is a 12V unit listed for trucks, RVs, tractors, and other vehicles. USB-C Power Delivery recharges it in 2.7 hours, and the product listing also describes gaining enough charge for a jump in a shorter charging interval. Its 60W USB-C power bank and supplied heavy-duty clamps add device-charging utility and the connection hardware to the kit.
- Rated for diesel engines up to 8.0L
- 4250A output
- UltraSafe 2.0 spark-proof and reverse-polarity protection
- USB-C Power Delivery recharge in 2.7 hours
- Its listed diesel-engine limit is 8.0L, below the 10L limit stated by the WOLFBOX MV24.
Skip it if you have a diesel engine above 8.0L; the WOLFBOX MV24 lists support for diesel engines up to 10L.
The GBX155 suits owners of diesel engines up to 8.0L who want a 12V pack with stated connection protections and USB-C charging. Its engine-size ceiling is a key fit consideration.
Full product details
| Brand | NOCO |
|---|---|
| Battery Capacity | 6750 milliamp_hours |
| Compatible with Vehicle Type | ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft |
| Included Components | 1-Year Warranty, 12V USB-C Fast Charger, GBX155 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack, Heavy-Duty Jumper Cable Clamps, Microfiber Storage Bag, Power Bank with 60W USB-C Power Delivery, USB-C Charging Cable |
| Dimensions | 8.18"D x 4.84"W x 13.51"H |
| Item Weight | 7 pounds |
| Manufacturer | NOCO |
| Part Number | GBX155 |
| Manufacturer Warranty Description | 1 Year Limited |
| Model Number | GBX155 |
| Voltage | 12 volts |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: NOCO Boost GBX155 4250A UltraSafe Jump Starter, 12V Lithium Battery Booster
View on Amazon
#7
7. AVAPOW TJ68 Jumper
- Battery Capacity: 24000 milliamp hours
- Voltage: 12 V
- Compatible with Vehicle Type: ATV, All of the above, Lawn Mower…
Best for: Low-battery truck owners.
Why it ranks #7: This 10,000A, 24,000mAh 12V model lists trucks among compatible vehicles and includes a Force Start function for critically low batteries.
The AVAPOW TJ68 combines 10000A peak current with a Force Start function for batteries listed as critically low, even at 0%. That pairing targets truck owners facing a depleted battery, while its 4-inch HD display gives the operator a large onboard screen during setup and use.
The listing describes the TJ68 as suitable for cars, SUVs, trucks, and heavy-duty vehicles, with 12V compatibility and a 24,000mAh battery capacity. Its Force Start function is specifically presented for critically low batteries when standard modes may not respond, offering a distinct workflow for a deeply drained battery. A 4-inch HD display makes information visible on the unit, and the included cigarette-lighter socket adapter adds another supplied accessory for vehicle use.
- 10000A peak current
- Force Start for critically low batteries, including 0%
- 4-inch HD display
- 24,000mAh capacity
- The supplied vehicle voltage specification is 12V, limiting its stated system compatibility to 12V vehicles.
Skip it if you need a listed 24V starting system; the FlyAuto 8000A explicitly supports both 12V and 24V.
For 12V truck and heavy-vehicle owners who value a high peak rating and a low-battery Force Start mode, the TJ68 is a targeted option; its listed voltage is 12V.
Full product details
| Brand | AVAPOW |
|---|---|
| Battery Capacity | 24000 milliamp_hours |
| Compatible with Vehicle Type | ATV, All of the above, Lawn Mower, Motorcycle, Passenger Car, RV, Snowmobile, Truck, Van |
| Included Components | 1*Cigarette Lighter Socket Adapter, 1*Jumper Cable Clamps, 1*TJ68 Jump Starter, 1*USB-C Charging Cable, 1*User Manual |
| Manufacturer | DONGGUAN CARPOWER NEW ENERGY CO.,LTD |
| Part Number | TJ68 |
| Manufacturer Warranty Description | Lifetime |
| Model Number | TJ68 |
| Voltage | 12 volts |
Listed on Amazon as: AVAPOW TJ68 10000A Battery Jumper Starter Portable with 4" HD Display
View on Amazon
#8
8. AVAPOW TJ58 Jumper
- Battery Capacity: 20000 milliamp hours
- Voltage: 12 V
- Compatible with Vehicle Type: ATV, All of the above, Lawn Mower…
Best for: Truck drivers wanting a screen.
Why it ranks #8: The 8,000A 12V model is described for diesel engines and trucks, and includes a 4-inch HD display and 30W dual-way fast charging.
An 8000A peak rating and 4-inch HD display give the AVAPOW TJ58 a combination of heavy-duty output and a large onboard screen. It is listed for gas and diesel engines, with claims of starting completely dead batteries, making its display and stated output central features for truck and SUV drivers.
The TJ58 pairs its 20,000mAh capacity with PD 30W dual-way fast charging, so the pack can recharge devices and be recharged through its supported fast-charging setup. Its 4-inch HD display supplies a large interface on the unit, while the included cigarette-lighter socket adapter and jumper clamps add vehicle-use accessories. The listing identifies trucks, SUVs, and diesel engines as intended applications, with a 12V system and an 8000A peak rating for starting.
- 8000A peak current
- 4-inch HD display
- PD 30W dual-way fast charging
- 20,000mAh capacity and included cigarette-lighter socket adapter
- The 20,000mAh capacity is lower than the 24,000mAh AVAPOW TJ68’s listed capacity.
Skip it if you want AVAPOW’s larger listed battery capacity; the TJ68 is rated at 24,000mAh rather than 20,000mAh.
The TJ58 suits 12V truck and SUV owners who value a large display and PD 30W two-way charging alongside jump-starting. Consider its 20,000mAh capacity when comparing onboard reserves.
Full product details
| Brand | AVAPOW |
|---|---|
| Battery Capacity | 20000 milliamp_hours |
| Compatible with Vehicle Type | ATV, All of the above, Lawn Mower, Motorcycle, Passenger Car, RV, Scooter, Snowmobile, UTV |
| Included Components | 1*Cigarette Lighter Socket Adapter, 1*Jumper Cable Clamps, 1*TJ58 Jump Starter, 1*USB-C Charging Cable, 1*User Manual |
| Dimensions | 10.35"D x 5.16"W x 5.83"H |
| Manufacturer | DONGGUAN CARPOWER NEW ENERGY CO.,LTD. |
| Part Number | TJ58 |
| Manufacturer Warranty Description | Lifetime |
| Model Number | TJ58 |
| Voltage | 12 volts |
Listed on Amazon as: AVAPOW 8000A Battery Jumper Starter Portable with 4′′ HD Display PD 30W Dual-Way Fast Charging, 12V Car Starter Jump Box & Battery Booster for All Gas & Up to All Diesel Engines
View on Amazon
#9
9. WOLFBOX MegaVolt24
- Battery Capacity: 6000 milliamp hours
- Voltage: 12 V
- Compatible with Vehicle Type: Passenger Car
Best for: Diesel owners up to 10L.
Why it ranks #9: Its title states support for diesel engines up to 10L and 4,000A output, but its vehicle compatibility specification lists passenger cars.
The WOLFBOX MV24 lists support for diesel engines up to 10L, making its stated engine-size range a direct point of fit for heavy-duty diesel owners. Its 4000A peak output, 65W quick charger, and LED display combine jump-starting with fast recharging and onboard status visibility.
The 12V MV24 is listed for 10L gas and 10L diesel engines, giving owners a clear stated ceiling to compare with their vehicle. Its 65W quick charger can replenish the 88.8Wh pack, while the LED display helps show information during use. The included-component listing names the jump starter, and the title also identifies an LED light and jumper cables. At 3 pounds and about 9.33 inches long, it is a relatively compact unit for vehicle storage.
- Listed for diesel engines up to 10L
- 4000A peak output
- 65W quick charger
- 88.8Wh capacity, LED display, and LED light
- Its 4000A peak rating is lower than the 8000A and 10000A models listed here.
Skip it if you prioritize a higher peak-current rating; the AVAPOW TJ58 lists 8000A, compared with this unit’s 4000A.
The MV24 fits 12V diesel owners whose engines fall within its stated 10L limit and who value a 65W charger and display. Its 4000A rating is the boundary for buyers prioritizing peak output.
Full product details
| Brand | WOLFBOX |
|---|---|
| Battery Capacity | 6000 milliamp_hours |
| Compatible with Vehicle Type | Passenger Car |
| Included Components | MegaVolt24 Jump Starter |
| Dimensions | 1.5"D x 3.86"W x 9.33"H |
| Item Weight | 3 pounds |
| Manufacturer | WOLFBOX |
| Part Number | 6570140 |
| Manufacturer Warranty Description | 2 Year |
| Model Number | MegaVolt24 |
| Voltage | 12 volts |

#10
10. Clore JNC660
- Battery Capacity: 22
- Voltage: 12 V
- Compatible with Vehicle Type: ATV, Bus, Lawn Mower, Passenger Car, RV…
Best for: Mechanics wanting long cables.
Why it ranks #10: It lists trucks as compatible and has 1,700 peak amps with 46-inch heavy-duty cables, but provides no stated diesel engine limit.
The Clore Automotive JNC660 pairs 46-inch heavy-duty #2 AWG cables with a 22Ah Clore Proformer battery, giving mechanics and roadside users reach to starting points on vehicles of varied shapes. Its 1700 peak amps and 12V DC outlet make it a conventional, corded-clamp style option for 12V jump-starting and accessory power.
The 46-inch cables can help reach a vehicle’s starting point without positioning the whole 18-pound unit right beside it, a practical advantage when access is awkward. A built-in voltmeter displays the onboard battery’s charge status, giving users a way to check readiness before taking it to a vehicle. The 12V DC outlet can power compatible accessories, so the JNC660 has a secondary role beyond starting. Its 5.1-by-14.1-by-16.3-inch body calls for more storage room than a compact lithium pack.
- 46-inch heavy-duty #2 AWG cables
- 22Ah Clore Proformer battery
- Built-in voltmeter shows onboard charge status
- 12V DC outlet for accessories
- At 18 pounds, it is heavier than the listed portable lithium jump starters.
Skip it if you want a lighter lithium pack for compact vehicle storage; the NOCO Boost GBX155 weighs 7 pounds.
The JNC660 fits mechanics, tow operators, and owners who value long cables, charge indication, and a 12V accessory outlet. Its 18-pound weight and larger body suit planned storage better than ultralight carry.
Full product details
| Brand | Clore Automotive |
|---|---|
| Battery Capacity | 22 |
| Compatible with Vehicle Type | ATV, Bus, Lawn Mower, Passenger Car, RV, Tractor, Truck, Van, Watercraft |
| Included Components | JNC660 12V Jump Starter |
| Dimensions | 5.1"D x 14.1"W x 16.3"H |
| Item Weight | 18 pounds |
| Manufacturer | Clore Automotive |
| Part Number | JNC660 |
| Manufacturer Warranty Description | 1 Year Warranty |
| Model Number | JNC660 |
| Voltage | 12 volts |
Listed on Amazon as: Clore Automotive Jump-N-Carry JNC660 1700 Peak Amp 12 Volt Jump Starter , Blue
View on AmazonCheck voltage and battery configuration before connecting
A listed diesel-engine fit does not by itself confirm that a jump starter matches your truck’s electrical system or battery arrangement. Most products here specify 12 volts, while the FlyAuto explicitly supports 12V and 24V systems. Verify the truck’s system voltage first; do not assume a 12V-only unit is suitable for a 24V vehicle.
A truck with multiple batteries can also require a compatible connection procedure, which the supplied product specifications do not establish. Check the vehicle manual and the jump starter’s instructions for whether and how to connect to a dual-battery setup.
The VTOMAN V-Truck Pro adds a product-specific readiness condition: its listing says to have two or more battery bars before connecting, particularly for cold conditions or trucks. A high peak-current number cannot resolve a voltage mismatch, an incorrect connection, or insufficient charge in the booster.
Why a diesel start can still fail in cold weather
Cold conditions can still leave a diesel truck without a successful start, even when a jump starter advertises high peak current. The listings make cold-weather claims for some products, including the OXILAM Y2 and the VTOMAN V-Truck Pro, but do not provide comparable cold-temperature test results across the lineup. Battery condition, charge level, connection quality, and the vehicle’s requirements remain important factors that product specifications alone cannot settle.
The VTOMAN’s instruction to keep at least two bars of charge is especially relevant: arriving with a nearly depleted booster may undermine its intended heavy-duty use. Treat features such as Force Start on the AVAPOW TJ68 as a function for a critically low battery, not proof that the unit can overcome every failed start.
Keep the booster charged, follow its connection instructions, and consult the truck manual when a jump attempt does not work.
How to Choose a Diesel Truck Jumper
Peak current and stated engine fit
Look for both a peak-current figure and an engine-compatibility statement that suits your truck; do not choose by amperage alone. This group ranges from 1,700A on the Clore JNC660 to 10,000A on the GOOLOO GT Truck PRO, AVAPOW TJ68, and OXILAM Y5. The OXILAM Y2 specifically lists 12L diesel engines, while the NOCO GBX155 lists diesel engines up to 8.0L.
For a large truck or equipment, the higher-output truck-focused options are more relevant; for a vehicle with a known engine size, a stated engine limit offers a clearer comparison. Confirm your truck’s requirements because not every listing gives a diesel displacement limit.
Vehicle system voltage
Match the jump starter’s voltage to the truck’s system before comparing other features. Most models here specify 12 volts, including the GOOLOO GT Truck PRO, VTOMAN V-Truck Pro, and NOCO GBX155. The FlyAuto listing specifies 24 volts and says it supports both 12V and 24V systems, giving it a distinction in this group.
Buyers with a confirmed 12V truck have several listed options; those with 24V equipment should focus on a model that explicitly supports that system rather than infer compatibility from high peak current. Check the vehicle documentation and the product instructions, especially for trucks with more than one battery, since the supplied specifications do not explain every battery configuration.
Capacity, charging, and readiness
Consider battery capacity and charging provisions if the booster will sit in a truck or be used repeatedly. Listed capacities range from 6,000mAh for the NOCO GBX155 to 64,000mAh for the GOOLOO GT Truck PRO; the VTOMAN V-Truck Pro lists 41,600mAh, and the FlyAuto lists 40,000mAh. These figures help compare the listed units, but do not guarantee a specific number of starts across different vehicles and conditions.
The GOOLOO includes a 65W wall charger, while the NOCO listing describes USB-C Power Delivery recharging. For a work vehicle or frequent use, prioritize a unit with capacity and charging that suit your routine.
For occasional emergency use, remember to check charge status before departure; the VTOMAN specifically calls for two or more bars before a jump.
Which Jumper Should I Choose for My Diesel Truck?
Choose the GOOLOO GT Truck PRO for a 12V truck when you want the lineup’s highest listed capacity, 64,000mAh, alongside 10,000A peak current and stated large-truck compatibility. For a diesel semi truck, the VTOMAN V-Truck Pro is explicitly positioned for that use and lists 8,000A, but follow its instruction to start with at least two battery bars. If your equipment needs both 12V and 24V support, consider the FlyAuto 8000A Jumper.
For a known diesel engine size, the OXILAM Y2 Jumper lists 12L diesel compatibility, while the NOCO Boost GBX155 specifies diesel engines up to 8.0L. Verify voltage, engine fit, and connection requirements against your truck before buying.
Frequently Asked Questions
How do I match a jump starter to my diesel truck’s engine size and battery system?
Start by confirming your truck’s voltage and diesel engine size, then compare them with the product’s stated compatibility. For example, the OXILAM Y2 lists 12L diesel compatibility, while the NOCO Boost GBX155 specifies diesel engines up to 8.0L. Also check connection requirements and the jump starter’s instructions before buying or connecting it.
Can a portable jump starter work with a dual-battery diesel truck?
It may, but confirm the truck’s battery configuration, system voltage, and the jump starter’s instructions first. A dual-battery setup does not by itself establish compatibility. Make sure the product supports the truck’s voltage and follow its specified connection procedure; consult the truck or jump starter manufacturer if the setup is unclear.
What should I do if a jump starter will not start a diesel truck in cold weather?
Check that the jump starter is sufficiently charged and connected as its instructions specify. Confirm the truck’s voltage and that the unit is compatible with its engine size, then follow the product’s cold-weather guidance if provided. Avoid repeated attempts that conflict with the instructions; if it still will not start, seek qualified assistance.
Which listed options support equipment that needs 24V?
The product titled “8000A 12V/24V Jump Starter for Large Gas & Diesel Engines” explicitly lists both 12V and 24V support. The FlyAuto is also identified as a relevant alternative for equipment requiring 24V. Verify your equipment’s voltage and the unit’s connection instructions before use; do not assume a 12V-only model supports 24V.
What should I check before choosing a jump starter for a diesel semi truck?
Check that the product is explicitly positioned for your vehicle and matches its voltage and engine requirements. The VTOMAN V-Truck Pro is titled for diesel semi trucks and lists 8,000A; its instructions require at least two battery bars before connecting. Confirm that requirement and all connection directions before attempting a start.
Final Words
For a 12V truck, the GOOLOO GT Truck PRO is the leading choice in this lineup, with listed 10,000A peak current, 64,000mAh capacity, and stated large-truck compatibility. Choose the VTOMAN V-Truck Pro when a diesel semi-truck-specific option fits, and observe its two-bar minimum. For equipment requiring 24V, consider the FlyAuto.
Before deciding, verify voltage, engine-size compatibility, and connection instructions for your truck.

