Wikitractor

Allis Chalmers WD

Production ended · 2WD

PTO power · claimed

26 hp

Weight
3,500 lb
Engines
2 tractor fuel · Gasoline
Built
146,125
Price new
no record

Power

Engineno record
PTO26 hp claimed
Drawbar19 hp claimed
Drawbar, tested30.2 hp
Belt pulley34.6 hp tested
Listed power28 hp PTO basis

Engines

Allis Chalmers 3.3L 4-cyl tractor fueltractor fuel · 4 cyl201 ci
Allis-Chalmers 3.3L 4-cyl gasolineGasoline · 4 cyl201 ci
Engine details
Allis Chalmers 3.3L 4-cyl tractor fuel
Bore × stroke
4 in × 4 in
Rated speed
1,400 rpm
Compression
4.5:1
Cooling
liquid-cooled vertical I-head
Firing order
1-2-4-3
Notes
tractor fuel. 4-cylinder 8-valve
Allis-Chalmers 3.3L 4-cyl gasoline
Bore × stroke
4 in × 4 in
Rated speed
1,400 rpm
Compression
5.75:1
Cooling
liquid-cooled vertical I-head
Firing order
1-2-4-3
Notes
4-cylinder 8-valve. In 1953 (SN 136318) a distributor ignition system replaced the older magneto system.

Transmissions

4-speed non-synchronized gearnon-synchronized gear4F / 1R

Weight

Weight3,500 lb operating
Ballasted5,050 lb

Dimensions

Wheelbase88.1 in
Length127 in
Height81.5 in
Rear tread, narrowest55.6 in
Rear tread, widest90.1 in

Capacities

Fuel tank15 gal
Hydraulic system1.2 gal

Hydraulics

Systemopen center
Pump flowno record
Pressure1,200 psi
Remote valves1

Hitch

Rear hitch categorySingle Hitch Point
Rear lift capacityno record

PTO

Rear PTOtransmission
Rear PTO speeds540

Chassis

Drive2WD
Steeringmanual worm and horizontal sector
BrakesManual external compression band type brakes
CabOpen operator station

Tires

Front5.50-16
Rear11-28

Electrical

System voltage6 V
ChargingDelco generator
Groundpositive

Production

Total built146,125
FactoriesWest Allis, Wisconsin, USA
Built byAllis Chalmers

Serial numbers

The WD serial number is stamped into the rear of the transmission case on the left side.

YearFirst serial
19487
19499250
195035445
195172328
1952105182
1953131243