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Allis Chalmers CA Technical Specifications

Allis Chalmers CA Engine Data

Engine Model ................ Allis Chalmers
Engine Type ................ Vertical, 4-cycle 4-cylinder gasoline
Number of Cylinders ................ 4
Displacement, cu in (L) ................ 125.2 (2.10)
Engine Bore, in (mm) ................ 3.28 (86.0)
Engine Stroke, in (mm) ................ 3.50 (89.0)
Rated Engine Power, hp (kW) ................ 25.0 (18.5)
Rated Engine Speed, rpm ................ 1650
Compression ................ 6.25:1
Firing Order ................ 1-2-4-3
Fuel System ................ Carburetor
Air Cleaner ................ Oil bath
Spark Plug Gap, in (mm) ................ 0.03 (0.76)
Point Gap, in (mm) ................ 0.020 (0.51)
Valve Clearance, in (mm) ................ 0.012 (0.305)
Fuel Tank Capacity, gal (L) ................ 13.0 (49.2)
Oil Capacity, qts (L) ................ 4.0 (3.8)
Coolant Capacity, qts (L) ................ 9.0 (8.5)
Electrical System Rating, Volts ................ 6

Allis Chalmers CA Power Take-Off

PTO Operational Type ................ Live
PTO Horsepower, hp (kW) ................ 23.0 (17.4)
PTO Cluch ................ Dry Disc
PTO Speed, rpm ................ 540

Transmission Configuration

Transmission Type ................ Unsynchronized gear
Gearbox Type ................ 4F/1R
Number of Forward Gears ................ 4
Number of Reverse Gears ................ 1
Clutch Type ................ Dry disc
Oil Capacity, qts (L) ................ 4.0 (3.8)
Maximum Forward Speed, mph (kph) ................ 11.3 (18.1)
Maximum Reverse Speed, mph (kph) ................ 3.5 (5.6)

Belt Pulley

Belt Diameter, in (mm) ................ 8 (200)
Belt Width, in (mm) ................ 5.5 (130)
Belt Speeds, rpm ................ 1220

Allis Chalmers CA Wheels and Tires

Drive Wheels ................ 2WD 4x2
Steering Configuration ................ Front steer
Steering System ................ Manual
Brakes Type ................ Differential mechanical contracting band
Front Tire Size ................ 5.00-15
Rear Tire Size ................ 10.0-24
Front Tread Width, in (mm) ................ 6.3-13 (150-330)
Rear Tread Width, in (mm) ................ 52-80 (1320-2030)

Dimensions and Weight

Wheelbase, in (mm) ................ 82 (2080)
Length, in (mm) ................ 125 (3170)
Height, in (mm) ................ 73 (1850)
Weight (Operating), lb (kg) ................ 2835 (1285)
Weight (Ballasted), lb (kg) ................ 5045 (2290)