Allis Chalmers B

Allis Chalmers BThe Allis Chalmers B is a 2WD row-crop tractor manufactured by Allis Chalmers in West Allis, Wisconsin, USA and Southampton, England from 1938 to 1957.

The Allis Chalmers B is equipped with one of three engines: a 1.9 L (113.0 cu·in) four-cylinder gasoline engine, a 1.9 L (116.1 cu·in) four-cylinder gasoline engine or 2.1 (125.2 cu·in) four-cylinder gasoline engine and an unsynchronized gear transmission with dry disc clutch and 3 forward and 1 reverse gear.

The Allis Chalmers B used a manual steering, differential mechanical contracting band brakes, open operator station or canvas cab (optional), and 45.4 liters (12 US gal.; 10 Imp. gal) fuel tank.

The tractor could be equipped with the following engines:

  • Waukesha – original engine, used in 1937 on the first 96 tractors built. It is a 1.9 L, 1,852 cm2, (113.0 cu·in) four-cylinder natural aspirated gasoline engine with 76.0 mm (2.99 in) of the cylinder bore and 102.0 mm (4.02 in) of the piston stroke.
  • Allis-Chalmers BE (used until 1943). It is a 1.9 L, 1,902 cm2, (116.1 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 83.0 mm (3.27 in) and the piston stroke is 89.0 mm (3.5 in). The compression ratio rating is 4.92:1.
  • Allis-Chalmers CE. It is a 2.1 L, 2,051 cm2, (125.2 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 86.0 mm (3.37 in) and the piston stroke is 89.0 mm (3.5 in). The compression ratio rating is 5.75:1.

Allis Chalmers B Specifications

General Specifications
ModelAllis Chalmers B
Length2,800 mm (110.2 in)
Width1,570 mm (61.8 in)
Height1,940 mm (76.4 in)
Wheel base1,860 mm (73.2 in)
Ground clearance550 mm (21.7 in)
Weight935 kg (2,061 lbs)
Fuel tank capacity45.4 liters (12 US gal.; 10 Imp. gal)
Battery6V
Cabin typeOpen operator station or canvas cab (optional)
Engine
Engine modelWaukesha
Engine typeFour-stroke, liquid-cooled, inline
Cylinders4
Fuel typeGasoline
Displacement1.9 L, 1,852 cm2, (113.0 cu·in)
Bore and stroke76.0 mm X 102.0 mm (2.99 in X 4.02 in)
Horsepower
StarterElectric
Engine
Engine modelAllis-Chalmers BE
Engine typeFour-stroke, liquid-cooled, inline
Cylinders4
Fuel typeGasoline
Displacement1.9 L, 1,902 cm2, (116.1 cu·in)
Bore and stroke83.0 mm X 89.0 mm (3.27 in X 3.5 in)
Compression ratio4.92:1
Horsepower
StarterElectric
Oil capacity:3.8 L (4 US. qt, 3.3 Imp. qt.)
Coolant capacity:7.6 L (8 US. qt, 6.7 Imp. qt.)
Spark plug
Engine
Engine modelAllis-Chalmers CE
Engine typeFour-stroke, liquid-cooled, inline
Cylinders4
Fuel typeGasoline
Displacement2.1 L, 2,051 cm2, (125.2 cu·in)
Bore and stroke86.0 mm X 89.0 mm (3.37 in X 3.5 in)
Compression ratio5.75:1
Horsepower
StarterElectric
Oil capacity:3.8 L (4 US. qt, 3.3 Imp. qt.)
Spark plugAutolite AN7, AC 45
Transmission and chassis
Chassis4×2 2WD
Steering typeManual
BrakesDifferential mechanical contracting band
Transmission model
Transmission typeUnsynchronized gear with dry disc clutch
Gears3 forward and 1 reverse
Speed Forward: 12.5 kmh (7.8 mph) Reverse: 3.2 (2 mph)
Transmission oil capacity5.7 L (1.5 US. gal, 1.3 Imp. gal.)
Tires
Front tiresAg: 4.00-15
Rear tiresAg: 9-24
Three-Point Hitch
CaterogyAllis Snap Coupler
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO typeTransmission
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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