All 74 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production
Manufacturer
Allis Chalmers
(no label)
Row-Crop tractor
(no label)
Built in West Allis, Wisconsin, USA
Total built
146,125
Original price
$1,830
(no label)
The Allis-Chalmers WD featured Two-Clutch Power Control and power-shifted rear wheels. The dual clutch system used a foot-operated dry clutch to disconnect the PTO and driveline from the engine. A hand-operated wet clutch allowed the PTO to operate while the tractor was slowed or stopped.
Engine
(no label)
Allis Chalmers 3.3L 4-cyl tractor fuel
(no label)
Allis-Chalmers 3.3L 4-cyl gasoline
Transmission
(no label)
4-speed non-synchronized gear
Power
Drawbar (claimed)
19 hp | 14.2 kW
PTO (claimed)
26 hp | 19.4 kW
Drawbar (tested)
30.23 hp | 22.5 kW
Belt (tested)
34.63 hp | 25.8 kW
Mechanical
(no label)
Two-wheel drive
Steering
manual worm and horizontal sector
(no label)
Manual external compression band type brakes
(no label)
Open operator station.
Capacity
Fuel
15 gal | 56.8 L
Hydraulic system
1.25 gal | 4.7 L
Hydraulics
Type
open center
Capacity
1.25 gal | 4.7 L
Pressure
1200 psi | 82.7 bar
Valves
1
Hitch
Rear Type
Single Hitch Point
Pto
Rear PTO
transmission
Rear PTO
live
Rear PTO Type
540
Dimensions
Wheelbase
88.1 inches | 223 cm
Weight
3500 lbs | 1587 kg
Front tire
5.50-16
Rear tire
11-28
Serial location
(no label)
The WD serial number is stamped into the rear of the transmission case on the left side.
Electrical
Ground
positive
Charging system
Delco generator
Battery volts
6
Engine
Engine options
(no label)
Allis Chalmers 3.3L 4-cyl tractor fuel
(no label)
Allis-Chalmers 3.3L 4-cyl gasoline
Engine detail
(no label)
Allis Chalmers
(no label)
tractor fuel
(no label)
4-cylinder 8-valve
(no label)
liquid-cooled vertical I-head
Displacement
201 ci | 3.3 L
Bore/Stroke
4.00x4.00 inches | 102 x 102 mm
Compression
4.5:1
Rated RPM
1400
Firing order
1-2-4-3
Starter
electric
Starter
hand crank
Starter volts
6
Coolant capacity (Coolant)
14 qts | 13.2 L
(no label)
Allis-Chalmers
(no label)
gasoline
(no label)
4-cylinder 8-valve
(no label)
liquid-cooled vertical I-head
(no label)
In 1953 (SN 136318) a distributor ignition system replaced the older magneto system.