- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1948–1953
- 146,525 built
It sits on the utility/standard-size boundary, so either size is a fair description. It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
ALLIS-CHALMERS Modell-WD specs: hp, weight, years
The manufacturer claimed 30.2 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
30.2 hp
22.5 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Allis-Chalmers WD”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 3,389 lb
- Hyd. flow
- 1.2 gpm
- Top speed
- 9.9 mph
ALLIS-CHALMERS Modell-WD specs: key facts
The ALLIS-CHALMERS Modell-WD was built from 1948 to 1953.
The ALLIS-CHALMERS Modell-WD has a claimed engine power (gross or net not stated) of 22.5 kW (30.2 hp); it has no measured PTO figure.
The ALLIS-CHALMERS Modell-WD is two-wheel drive (2WD).
The ALLIS-CHALMERS Modell-WD weighs 1,537 kg (3,389 lb) unladen.
The ALLIS-CHALMERS Modell-WD has a rear PTO running at 548 rpm.
The hydraulic pump of the ALLIS-CHALMERS Modell-WD delivers 4.7 L/min (1.2 gpm).
Source · Traktorenlexikon, “Allis-Chalmers WD”
How does the Modell-WD compare with its class?
- Limitation:
A hydraulic pump flow of 4.7 L/min is low for its class — 72% below the median of 16.8 L/min across the 68 machines within 10% of its power that hold this figure.
- Limitation:
Four forward gears is low for its class — 33% below the median of 6 across the 132 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 133 comparable records. How we work this out

How much horsepower does a Modell-WD have?
The only figure for the Modell-WD is 30.2 hp (22.5 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Allis-Chalmers WD”
How much will a Modell-WD lift, and what is its hydraulic flow?
Hydraulic and PTO specifications for the Modell-WD are below.
| Pump flow | 1.2 gpm · 4.7 L/min |
|---|---|
| Rear PTO | 548 rpm |
Source · Traktorenlexikon, “Allis-Chalmers WD”
What transmission does a Modell-WD have?
Transmission specifications for the Modell-WD are below.
| Clutch | Foot-operated spring-loaded dry Rockford single-disc clutch |
|---|---|
| Brakes | Pedal-operated internal shoe brake acting on rear wheels |
| Steering | Mechanical worm steering and horizontal sector brakes |
| Top speed | 9.9 mph · 16 km/h |
Source · Traktorenlexikon, “Allis-Chalmers WD”
How much does a Modell-WD weigh?
A Modell-WD weighs 3,389 lb (1,537 kg) unladen.
| Unladen weight | 3,389 lb · 1,537 kg |
|---|---|
| Wheelbase | 88.1 in · 2,238 mm |
| Length | 138.6 in · 3,521 mm |
| Width | 56.0 in · 1,422 mm |
| Height | 68.0 in · 1,727 mm |
| Front track | 8.9 in · 225 mm |
| Rear track | 56.0–90.0 in · 1,422–2,286 mm |
| Turning radius, braked | 8.2 ft · 2.50 m |
Source · Traktorenlexikon, “Allis-Chalmers WD”
What oil does a Modell-WD take, and how much?
A Modell-WD engine takes 6.1 qt (5.8 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 6.1 qt · 5.8 LSource: Traktorenlexikon, “Allis-Chalmers WD” · single source, not independently verified |
| Transmission | 16.9 qt · 16.0 LSource: Traktorenlexikon, “Allis-Chalmers WD” · single source, not independently verified |
| Cooling system | 16.8 qt · 15.9 LSource: Traktorenlexikon, “Allis-Chalmers WD” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a Modell-WD?
Within 10% of its 30.2 hp of claimed engine power, the same type, and first built within 15 years of it.
- Ford NAA30.0 hp engine, claimed · 1953–1954Side by side with the Modell-WD →
- Massey Ferguson TE-A 2030.6 hp engine, claimed · 1948–1956Side by side with the Modell-WD →
- Fordson Dexta (957 E)30.6 hp engine, claimed · 1957–1964Side by side with the Modell-WD →
- Fordson Dexta-Special30.6 hp engine, claimed · 1963–1964Side by side with the Modell-WD →
- Renault R 7012/R 701329.6 hp engine, claimed · 1951–1956Side by side with the Modell-WD →
- Hürlimann D 60 Spezial29.6 hp engine, claimed · 1955–1958Side by side with the Modell-WD →
Common questions about the ALLIS-CHALMERS Modell-WD
Is a Modell-WD two-wheel drive or four-wheel drive?
The ALLIS-CHALMERS Modell-WD is two-wheel drive (2WD).
What PTO does a Modell-WD have?
A Modell-WD has a 548 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “Allis-Chalmers WD”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Allis-Chalmers WD — CC BY-SA 4.0, WIKIBOOKS-TL-116575 · revision 1001552. Wikibooks contributors (Traktorenlexikon). Original document