Allis Chalmers WD45

Allis Chalmers WD45The Allis Chalmers WD45 is a 2WD row-crop tractor from the series. This tractor was manufactured by Allis Chalmers in West Allis, Wisconsin, USA from 1953 to 1957.

The Allis Chalmers WD45 is equipped with one of two engines: a 3.7 L four-cylinder gasoline engine or 3.8 L six-cylinder diesel engine and sliding gear transmission with a wet disc clutch and 4 forward and 1 reverse gear.

The Allis Chalmers WD45 is equipped with manual or power (option) steering, mechanical band brakes, open operator station (Allis-Chalmers Half Cab was available as an option) and 56.8 liters (15 US gal.; 12.5 Imp. gal) fuel tank.

The tractor could be equipped with the following engines:

  • Allis-Chalmers WD45. It is a 3.7 L, 3,704 cm2, (226.0 cu·in) four-cylinder natural aspirated engine with 102.0 mm (4.02 in) of the cylinder bore and 114.0 mm (4.49 in) of the piston stroke. The compression ratio rating is 6.45:1 for gasoline version or 7.2:1 for LP gas version.
  • Allis-Chalmers WD45D (available after October, 1954). It is a 3.8 L, 3,769 cm2, (230.0 cu·in) six-cylinder natural aspirated diesel engine. The cylinder bore is 87.0 mm (3.43 in) and the piston stroke is 105.0 mm (4.13 in). The compression ratio rating is 15.5:1.

Allis Chalmers WD45 Specifications

General Specifications
ModelAllis Chalmers WD45
Length3,250 mm (128.0 in)
Height2,070 mm (81.5 in)
Wheel base2,230 mm (87.8 in)
Weight1,810 kg (3,990 lbs)
Fuel tank capacity56.8 liters (15 US gal.; 12.5 Imp. gal)
Battery6V, CCA:115 (Gas: one, diesel: two)
Cabin typeOpen operator station. Allis-Chalmers Half Cab (option)
Engine modelAllis-Chalmers WD45
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeGasoline
Displacement3.7 L, 3704 cm2, (226 cu·in)
Bore and stroke102.0 mm X 114.0 mm (4.02 in X 4.49 in)
Compression ratio Gasoline: 6.45:1
LP gas: 7.2:1
Torque390.5 N·m (39.8 kg·m, 287.8 ft·lb)
Spark plug gap0.76 mm (0.030 in)
Engine modelAllis-Chalmers WD45D
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement3.8 L, 3,769 cm2, (230.0 cu·in)
Bore and stroke87.0 mm X 105.0 mm (3.43 in X 4.13 in)
Compression ratio15.5:1
Torque390.5 N·m (39.8 kg·m, 287.8 ft·lb)-
Oil capacity:6.6 L (7 US. qt, 5.8 Imp. qt.)
Coolant capacity:16.0 L (16.9 US. qt, 14.1 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typeManual or power (option)
BrakesMechanical band
Transmission model
Transmission typeSliding gear with wet disc clutch
Gears4 forward and 1 reverse
Speed Forward: 18.0 kmh (11.2 mph) Reverse: 5.2 (3.2 mph)
Transmission oil capacity16.0 L (4.2 US. gal, 3.5 Imp. gal.)
Front tiresAg: 5.50-16
Rear tiresAg: 12-28, 13-28
Rear hitchSnap-Coupler
PTO (Power take-off shaft)
Rear PTO typeLive
Rear PTO speed540 rpm
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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