Allis Chalmers MODELL - WD
Built: 1948–1953 · Series: W-Baureihe
More machines from model year 1948
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
Allis-Chalmers W series – WC, WD, WF and WD-45 from Milwaukee, 1930s to 1950s: the classics with four- and six-cylinder engines, 18 to 28 kW
The W series was the backbone of Allis-Chalmers tractors from Milwaukee, Wisconsin, between the 1930s and 1950s. The WC, built from 1933, was among the first tractors offered from the factory on rubber tyres instead of steel wheels and contributed substantially to the spread of rubber tyres in agriculture; the WF was the wheatland and industrial version. The WD of 1948 brought the adjustable Power-Shift rear axle and the hydraulic Traction Booster, and the WD-45 of 1953 was its further development with live PTO and hydraulics on the move.
Read on 3 more paragraphs
The register lists here 4 versions with 18 to 27.9 kW from four- and six-cylinder engines of 3,295 to 3,707 cm³ displacement, unladen weights from 1,501 to 1,794 kg, lengths from 3,099 to 3,521 mm, widths from 1,422 to 1,727 mm and heights from 1,384 to 2,070 mm; the fuels recorded are petrol, low-octane tractor-grade petrol and, on the WD-45, also LPG and diesel.
The W series made Allis-Chalmers, alongside International Harvester, John Deere and Ford, one of the defining American tractor brands of the post-war period and was especially common on family farms across the American Midwest.
Used, the W classics call for checking engine and carburettor condition, originality of sheet metal and paint, the condition of the Power-Shift mechanism on the WD and WD-45, and tyres and the ignition system; parts for the W series are offered by specialist vintage-tractor dealers and reproduction-parts makers.
Sources: SpecCodex register, model data: Allis-Chalmers W-Baureihe
Technical data
Engine
| Fuel | Low Octan/Benzincorrect |
|---|---|
| Power | 30.6 hp (22.5 kW)correct |
| Rated speed | 1,400 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 3,295 cm³correct |
| Bore | 101.6 mmcorrect |
| Stroke | 101.6 mmcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,521 mmcorrect |
|---|---|
| Width | 1,422 mmcorrect |
| Height | 1,727 mmcorrect |
| Wheelbase | 2,238 mmcorrect |
| Unladen weight | 1,537 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 4 V/1 Rcorrect |
| Front tyres | 5.50 x 16correct |
| Rear tyres | 11 x 28correct |
| Top speed | 16 km/hcorrect |
Origin and approval
| Construction | frame constructioncorrect |
|---|---|
| Units built | 146,525correct |
Where this model stands
Power-to-weight ratio: 14.6 kW/t (22 kW / 1.5 t)
Power class: Compact (< 40 hp)
Stronger than 18% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Allis Chalmers MODELL - WD have?
The Allis Chalmers MODELL - WD delivers 30.6 hp.
How much does the Allis Chalmers MODELL - WD weigh?
The unladen weight is 1,537 kg.
What engine does the Allis Chalmers MODELL - WD have?
4 cylinders, 3,295 cm³ displacement, Low Octan/Benzin.
How fast does the Allis Chalmers MODELL - WD go?
Top speed is 16 km/h.
What are the dimensions of the Allis Chalmers MODELL - WD?
3,521 mm × 1,422 mm × 1,727 mm.
When was the Allis Chalmers MODELL - WD built?
Production years: 1948–1953.
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.
- Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →
We ask the suppliers and come back with price and lead time.
Request spare parts →
This page carries 21 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
Missing a figure you were looking for? Report it →
Know this machine better? Have a photo, a manual, or know that a figure is wrong? Add it to the register →
Other models in this series
Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
