- Vehicle type: unspecified
- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1937–1951
- 8,350 built
It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
We looked and the record does not say what this machine is. How we decide what a machine is
ALLIS-CHALMERS Modell-WF specs: hp, weight, years
ALLIS-CHALMERS W-110 four-cylinder. The manufacturer claimed 24 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
24 hp
18 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Allis-Chalmers WF”, 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
- 3,490 lb
- Top speed
- 9.9 mph
ALLIS-CHALMERS Modell-WF specs: key facts
The ALLIS-CHALMERS Modell-WF was built from 1937 to 1951.
The ALLIS-CHALMERS Modell-WF has a claimed engine power (gross or net not stated) of 18 kW (24 hp); it has no measured PTO figure.
The ALLIS-CHALMERS Modell-WF is two-wheel drive (2WD).
The ALLIS-CHALMERS Modell-WF has a ALLIS-CHALMERS W-110 engine, a 4-cylinder 3.30 L unit.Source 1
The ALLIS-CHALMERS Modell-WF weighs 1,583 kg (3,490 lb) unladen.
The ALLIS-CHALMERS Modell-WF has a rear PTO running at 535 rpm.
Source · Traktorenlexikon, “Allis-Chalmers WF”
How does the Modell-WF compare with its class?
- Limitation:
Four forward gears is low for its class — 33% below the median of 6 across the 95 machines within 10% of its power that hold this figure.
- Strength:
A 56.7 L fuel tank is high for its class — 62% above the median of 35.1 L across the 76 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 96 comparable records. How we work this out

How much horsepower does a Modell-WF have?
The only figure for the Modell-WF is 24 hp (18 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Allis-Chalmers WF”
What engine is in a Modell-WF?
A Modell-WF has an ALLIS-CHALMERS W-110, a 4-cylinder 3.30 L engine.
| Make & model | ALLIS-CHALMERS W-110 |
|---|---|
| Cylinders | 4, liquid-cooledSource 2 |
| Displacement | 201.1 ci · 3.30 L |
| Electrical system | 6 VSource 2 |
Source · Traktorenlexikon, “Allis-Chalmers WC”
How much will a Modell-WF lift?
Hydraulic and PTO specifications for the Modell-WF are below.
| Rear PTO | 535 rpm |
|---|---|
| PTO shaft | 1 3/8"- 6 splines |
Source · Traktorenlexikon, “Allis-Chalmers WF”
What transmission does a Modell-WF have?
Transmission specifications for the Modell-WF are below.
| Clutch | Foot-operated spring-loaded dry Rockford single-plate clutch |
|---|---|
| Brakes | Bilateral hand lever-operated brake acting on the rear wheels |
| Steering | Mechanical Ross worm steering |
| Top speed | 9.9 mph · 16 km/h |
Source · Traktorenlexikon, “Allis-Chalmers WF”
How much does a Modell-WF weigh?
A Modell-WF weighs 3,490 lb (1,583 kg) unladen.
| Unladen weight | 3,490 lb · 1,583 kg |
|---|---|
| Wheelbase | 70.0 in · 1,778 mm |
| Length | 122.0 in · 3,099 mm |
| Width | 57.5 in · 1,461 mm |
| Height | 54.5 in · 1,384 mm |
| Rear track | 46.0–57.0 in · 1,168–1,448 mm |
Source · Traktorenlexikon, “Allis-Chalmers WF”
What oil does a Modell-WF take, and how much?
A Modell-WF engine takes 6.0 qt (5.7 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 6.0 qt · 5.7 LSource: Traktorenlexikon, “Allis-Chalmers WF” · single source, not independently verified |
| Transmission | 4.9 qt · 4.6 LSource: Traktorenlexikon, “Allis-Chalmers WF” · single source, not independently verified |
| Cooling system | 19.2 qt · 18.2 LSource: Traktorenlexikon, “Allis-Chalmers WF” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a Modell-WF?
Within 10% of its 24 hp of claimed engine power, the same type, and first built within 15 years of it.
- Fendt Dieselross G25 Holzgas24 hp engine, claimed · 1943–1946Side by side with the Modell-WF →
- Schlüter DSU24 hp engine, claimed · 1947–1948Side by side with the Modell-WF →
- HELA L 2524.4 hp engine, claimed · 1942–1944Side by side with the Modell-WF →
- Hermann Lanz L 25a24.4 hp engine, claimed · 1942–1944Side by side with the Modell-WF →
- Lanz D 7511/324.5 hp engine, claimed · 1935–1936Side by side with the Modell-WF →
- Lanz D 7521/324.5 hp engine, claimed · 1935–1936Side by side with the Modell-WF →
Common questions about the ALLIS-CHALMERS Modell-WF
Is a Modell-WF two-wheel drive or four-wheel drive?
The ALLIS-CHALMERS Modell-WF is two-wheel drive (2WD).
What PTO does a Modell-WF have?
A Modell-WF has a 535 rpm rear PTO on a 1 3/8"- 6 splines shaft.
Sources and how this page was built
Compiled from Traktorenlexikon, “Allis-Chalmers WF”; and Traktorenlexikon, “Allis-Chalmers WC”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Allis-Chalmers WC — CC BY-SA 4.0, WIKIBOOKS-TL-75840 · revision 1000462. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: Allis-Chalmers WF — CC BY-SA 4.0, WIKIBOOKS-TL-116553 · revision 1001555. Wikibooks contributors (Traktorenlexikon). Original document