Allis Chalmers WD
The Allis Chalmers WD is a tractor produced by Allis Chalmers. It is equipped with a 201 ci 3.3 L engine. The rated power output is 34.63 hp 25.8 kW. Transmission: 4 forward and 1 reverse. Operating weight: 3500 lbs 1587 kg.
Engine Power
34.63 hp
25.8 kW
Fuel & Capacities
15 gal
56.8 L
Transmission
4 forward and 1 reverse
Operating Weight
3500 lbs
1587 kg
Allis Chalmers WD Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1948 - 1953
Row-Crop tractor |
|---|---|
1948 - 1953 | |
Row-Crop tractor | |
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Row-Crop tractor | |
Built in West Allis, Wisconsin, USA | |
Total built | 146,125 |
Original price | $1,830 |
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. | |
Allis Chalmers WD Transmission | |
|---|---|
4-speed non-synchronized gear | |
Transmission details ...  |
Allis Chalmers WD 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 |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual worm and horizontal sector |
Manual external compression band type brakes | |
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 OptOptional |
Tractor hitch | |
|---|---|
Rear Type | Single Hitch Point |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
live OptOptional | |
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 88.1 inches
223 cm |
Weight | 3500 lbs
1587 kg |
Front tire | 5.50-16 |
Rear tire | 11-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | positive |
Charging system | Delco generator |
Battery volts | 6 |
Engine
Engine options | |
|---|---|
Allis Chalmers 3.3L 4-cyl tractor fuel | |
Allis-Chalmers 3.3L 4-cyl gasoline |
Engine Detail — 201 ci / 3.3 L
Manufacturer | Allis Chalmers |
Configuration | 4-cylinder 8-valve, liquid-cooled vertical I-head |
tractor fuel | |
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 |
hand crank | |
Starter volts | 6 |
Coolant capacity | 14 qts
13.2 L |
Engine Detail — 201 ci / 3.3 L Gasoline
Manufacturer | Allis-Chalmers |
Fuel Type | Gasoline |
Configuration | 4-cylinder 8-valve, liquid-cooled vertical I-head |
In 1953 (SN 136318) a distributor ignition system replaced the older magneto system. | |
Displacement | 201 ci
3.3 L |
Bore/Stroke | 4.00x4.00 inches
102 x 102 mm |
Compression | 5.75:1 |
Rated RPM | 1400 |
Firing order | 1-2-4-3 |
Starter | electric |
hand crank | |
Starter volts | 6 |
Transmission
Transmission — 4 forward and 1 reverse non-synchronized gear
Type | non-synchronized gear |
Gears | 4 forward and 1 reverse |
 | |
Dimensions
Allis Chalmers WD Tires | |
|---|---|
Ag front | 5.50-16 |
Ag rear | 11-28 |
Ag rear | 12-28 |
Dimensions | |
|---|---|
Wheelbase | 88.1 inches
223 cm |
Length | 127 inches
322 cm |
Height | 81.5 inches
207 cm |
Operating weight | 3500 lbs
1587 kg |
Ballasted weight | 5050 lbs
2290 kg |
Rear tread | 55.6 to 90.1 inches
141 to 228 cm |
Tests
Tractor Tests | |
|---|---|
NTTL 399: tractor fuel 4-speed 2WD | |
NTTL 440: gasoline 4-speed 2WD |
Nebraska Tractor Test 399 | |
|---|---|
Tractor fuel 4-speed 2WD
July 16 - 30, 1948
Link: Nebraska Tractor Test 399 file | |
Belt power (max) | 26.14 hp
19.5 kW |
Belt fuel use (max) | 2.7 gal/hour
10.2 l/hour |
Drawbar performance | |
Max power | 24.31 hp
18.1 kW |
Gear 2 used for power test. | |
Max pull | 3,423 lbs
1552 kg |
Gear 1 used for pull test. | |
Nebraska Tractor Test 440 | |
|---|---|
Gasoline 4-speed 2WD
May 17 - June 1, 1950
Link: Nebraska Tractor Test 440 file | |
Belt power (max) | 34.63 hp
25.8 kW |
Belt fuel use (max) | 3.2 gal/hour
12.1 l/hour |
Drawbar performance | |
Max power | 30.23 hp
22.5 kW |
Gear 3 used for power test. | |
Max pull | 4,304 lbs
1952 kg |
Gear 1 used for pull test. | |
Photos
Allis-Chalmers WD with wide front end
Allis-Chalmers WD with wide front end
Allis-Chalmers WD with wide front end
Tricycle-front 1949 Allis-Chalmers WD
Tricycle-front 1949 Allis-Chalmers WD
Tricycle-front 1949 Allis-Chalmers WD
Tricycle-front 1949 Allis-Chalmers WD
Allis-Chalmers WD operator station and controls.
Allis Chalmers WD Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Allis Chalmers WD.
Converted Equivalents:
Horsepower (HP)34.6 hp
Kilowatts (kW)25.8 kW
Metric Horsepower (PS / CV)35.1 PS