Allis Chalmers CA farm tractor: review and specs

The Allis Chalmers CA is a 2WD row-crop tractor manufactured by Allis Chalmers in West Allis, Wisconsin, USA from 1950 to 1958. The Allis Chalmers CA is equipped with a 2.1 L (125.2 cu·in) four-cylinder gasoline engine and a non-synchronized gear with dry disc clutch transmission with 4 forward and 1 reverse gear.

The Allis Chalmers CA row-crop tractor used the Allis Chalmers engine. It is a 2.1 L, 2,052 cm², (125.2 cu·in) four-cylinder natural aspirated gasoline engine with 86.0 mm (3.39 in) of the cylinder bore and 89.0 mm (3.5 in) of the piston stroke. The compression ratio rating is 6.25:1. This engine produced 23.4 PS (17.2 kW; 23.1 HP) at 1,650 rpm of PTO output power.

The AC CA is equipped with manual steering, differential mechanical contracting band brakes, open operator station, and 49.2 liters (13 US gal.; 10.8 Imp. gal) fuel tank.

Allis Chalmers CA Specifications

General Specifications
Model	Allis Chalmers CA
Length	3,170 mm (124.8 in)
Width	–
Height	1,850 mm (72.8 in)
Wheel base	2,080 mm (81.9 in)
Weight	1,285 kg (2,833 lbs)
Fuel tank capacity	49.2 liters (13 US gal.; 10.8 Imp. gal)
Battery	6V, 95Ah
Cabin type	Open operator station
Engine
Engine model	Allis Chalmers
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	4
Fuel type	Gasoline
Displacement	2.1 L, 2,052 cm², (125.2 cu·in)
Bore and stroke	86.0 mm X 89.0 mm (3.39 in X 3.5 in)
Compression ratio	6.25:1
Horsepower	23.4 PS (17.2 kW; 23.1 HP) at 1,650 rpm
Starter	Electric
Coolant capacity:	8.5 L (9 US. qt, 7.5 Imp. qt.)
Spark plug	AC45, Autolite A-7, Autolite A-9, Champion J-8

Transmission and chassis
Chassis	4×2 2WD
Steering type	Manual
Brakes	Differential mechanical contracting band
Transmission model	–
Transmission type	Non-synchronized gear with dry disc clutch
Gears	4 forward and 1 reverse
Speed	Forward: 18.1 kmh (11.2 mph) Reverse: 5.6 (3.5 mph)
Tires
Front tires	Ag: 5.00-15
Rear tires	Ag: 10-24

Rear Hitch
Caterogy	Allis Snap Coupler
Control type	–
Lift capacity (at ends)	–
PTO (Power take-off shaft)
Rear PTO type	Live
Rear PTO speed	538 rpm
Hydraulic system
Hydraulic type	–
Hydraulic capacity	7.6 L (8.03 US. qt, 6.69 Imp. qt.)
Pressure	3200 psi (220.6 bar)

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