• 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

Illustration of the 1948–1953 ALLIS-CHALMERS Modell-WD, a 30 hp farm tractor, colour not recorded — shown unpainted, a drawing generated from its specification record
Illustration — not a photograph · colour not recorded — shown unpainted

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.

Engine, claimed (gross/net not stated)
30.2 hp

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.

Hydraulics & PTO — Modell-WD hydraulics and PTO specifications
Pump flow1.2 gpm · 4.7 L/min
Rear PTO548 rpm

Source · Traktorenlexikon, “Allis-Chalmers WD”

What transmission does a Modell-WD have?

Transmission specifications for the Modell-WD are below.

Transmission — Modell-WD transmission specifications
ClutchFoot-operated spring-loaded dry Rockford single-disc clutch
BrakesPedal-operated internal shoe brake acting on rear wheels
SteeringMechanical worm steering and horizontal sector brakes
Top speed9.9 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.

Weights & dimensions — Modell-WD weights and dimensions
Unladen weight3,389 lb · 1,537 kg
Wheelbase88.1 in · 2,238 mm
Length138.6 in · 3,521 mm
Width56.0 in · 1,422 mm
Height68.0 in · 1,727 mm
Front track8.9 in · 225 mm
Rear track56.0–90.0 in · 1,422–2,286 mm
Turning radius, braked8.2 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.

Modell-WD fluid capacities, grades and service intervals
SystemCapacity
Engine oil6.1 qt · 5.8 LSource: Traktorenlexikon, “Allis-Chalmers WD” · single source, not independently verified
Transmission16.9 qt · 16.0 LSource: Traktorenlexikon, “Allis-Chalmers WD” · single source, not independently verified
Cooling system16.8 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.

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 checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: Allis-Chalmers WD — CC BY-SA 4.0, WIKIBOOKS-TL-116575 · revision 1001552. Wikibooks contributors (Traktorenlexikon). Original document