Studebaker US-6 – specifications
Built: 1941-1945 · Series: Other models
Data for the version built 1941-1945 · Data origin: Reference work (Wikipedia/Wikibooks) · sources
More machines from model year 1941
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Studebaker US-6: heavy truck with water-cooled six-cylinder Hercules JXD carburettor engine, 5.24-litre displacement, 70 kW output and five-speed gearbox with transfer case, built from 1941 to 1945
Studebaker was a US vehicle manufacturer based in South Bend, Indiana, that built heavy trucks alongside its passenger cars. The US-6 was produced in the early 1940s as a series intended for hauling large loads on and off paved roads.
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The US-6 is powered by a carburettor engine of type Hercules JXD: a water-cooled inline six-cylinder unit with 5,240 cc displacement that delivers 70 kW (95 hp) at 2,500 rpm. Power is routed through a five-speed gearbox with an additional transfer case offering two off-road reduction ranges. The truck is 6,366 mm long, 2,235 mm wide and weighs 4,480 kg.
A heavy truck of this design and era is characterised by a petrol-fuelled inline six-cylinder engine of comparatively large displacement, delivering high torque at moderate engine speed for heavy loads, together with a two-range transfer case that adds a low range for slow off-road travel on top of pure power distribution.
When buying a used US-6, the condition of the Hercules JXD carburettor engine is decisive, especially the fuel system and carburettor, since engines like this often gum up or develop leaks after decades of standing. On the five-speed gearbox and the transfer case, check for oil leaks at the seals and for running noise in the off-road reduction ranges, and on the chassis inspect the frame and leaf springs for corrosion and fatigue cracks.
Sources: SpecCodex-Register: Kennwerte des Modells US-6
Technical data
Engine
| Engine | gaźnikowy Herkules JXD, 6-cylindrowy, rzędowy, czterosuwowy, chłodzony cieczą, o pojemności 5240 cm³ i mocy 70 kW (95 KM) przy 2500 obr./mincorrect |
|---|---|
| Power | 63.3 kWcorrect |
Dimensions and weights
| Length | 6,366 mmcorrect |
|---|---|
| Width | 2,235 mmcorrect |
| Unladen weight | 4,480 kgcorrect |
Drivetrain and chassis
| Gearbox | 5 speed × 2 range transfer casecorrect |
|---|
Where this model stands
Power-to-weight ratio: 14.1 kW/t (63 kW / 4.5 t)
Stronger than 21% of the military & special vehicles in the register — out of 103 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Studebaker US-6 have?
The Studebaker US-6 delivers 63.3 kW.
How much does the Studebaker US-6 weigh?
The unladen weight is 4,480 kg.
What are the dimensions of the Studebaker US-6?
6,366 mm × 2,235 mm.
When was the Studebaker US-6 built?
Production years: 1941-1945.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 6 individual figures for this model. They come from 3 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Sources: Wikipedia (CC BY-SA 4.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · Data sources and cross-checks
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