Allis Chalmers WD Specifications - Allis Chalmers WD Specs

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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.
Production
Manufacturer: Allis Chalmers
Factory: West Allis, Wisconsin, USA
Total built: 146,125
Original price (USD): $1,830
Capacity
Fuel: 15 gal [56.8 L]
Hydraulic system: 1.25 gal [4.7 L]
3-Point Hitch
Rear Type: Single Hitch Point
Power Take-off (PTO)
Rear PTO: transmission, live*Optional
Rear RPM: 540
Dimensions & Tires
Wheelbase: 88 inches [223 cm]
Weight: 3500 lbs [1587 kg]
Front tire: 5.50-16
Rear tire: 11-28
WD Serial Numbers
Location: The WD serial number is stamped into the rear of the transmission case on the left side.
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]
Mechanical
Chassis: 4x2 2WD
Steering: manual worm and horizontal sector
Brakes: manual external compression band type
Cab: Open operator station.
Hydraulics
Type: open center
Capacity: 1.25 gal [4.7 L]
Pressure: 1200 psi [82.7 bar]
Valves: 1*Optional
Electrical
Ground: positive
Charging system: Delco generator
Battery
Number: 1
Volts: 6
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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
Allis Chalmers, tractor fuel, 4-cylinder 8-valve, liquid-cooled vertical I-head, 201 ci [3.3 L]
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Previous model: Allis Chalmers WC
Next model: Allis Chalmers WD45
Transmission
Type: non-synchronized gear
Gears: 4 forward and 1 reverse
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Previous model: Allis Chalmers WC
Next model: Allis Chalmers WD45
Dimensions
Weight (operating): 3500 lbs [1587 kg]
Weight (ballasted): 5050 lbs [2290 kg]
Wheelbase: 88 inches [223 cm]
Length: 127 inches [322 cm]
Height: 81.5 inches [207 cm]
Allis Chalmers WD Tires
Ag front: 5.50-16
Ag rear: 11-28