Allis Chalmers

Allis Chalmers C

The Allis Chalmers C is a row-crop tractor produced from 1940 to 1949 by Allis Chalmers in West Allis, Wisconsin, USA. It features a 2.1L 4-cylinder engine available in distillate and gasoline versions, with estimated engine power of 21.6 hp. The tractor has a 3-speed non-synchronized transmission, two-wheel drive, manual steering, and mechanical drum brakes. It was designed for agricultural use with a plow capacity of 2 and tested drawbar power of 18.4 hp and PTO power of 23.3 hp. The tractor weighs 2500 lbs and has a wheelbase of 77 inches. It includes a rear PTO transmission type 560 and uses positive ground electrical system with a 6-volt battery.

Power21 hp[P]

Founded1940 - 1949

ModelC

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers C

Power

Plows	2
PTO (tested)	23.30 hp (17.4 kW)
Drawbar (tested)	18.4 hp (13.7 kW)

Tires

Ag rear	9-24, 10-24
Ag front	4.00-15, 6-12

Engine

Point gap	0.020 inches (0.508 mm)
Rated RPM	1500
Sparkplug	Autolite A 9, AC 47
Air cleaner	oil bath
Bore/Stroke	3.375x3.50 inches (86 x 89 mm)
Compression	4.75:1
Displacement	125.2 ci (2.1 L)
Firing order	1-2-4-3
Oil capacity	4 qts (3.8 L)
Sparkplug gap	0.035 inches (0.889 mm)
Starter volts	6
Engine options	Allis Chalmers 2.1L 4-cyl distillate, Allis-Chalmers 2.1L 4-cyl gasoline
Coolant capacity	8 qts (7.6 L)
Point gap (gasoline)	0.020 inches (0.508 mm)
Sparkplug (gasoline)	Autolite AN 7, AC 45
Compression (gasoline)	5.75:1
Intake valve clearance	0.010 inches (hot) (0.254 mm)
Exhaust valve clearance	0.010 inches (hot) (0.254 mm)
Sparkplug gap (gasoline)	0.035 inches (0.889 mm)
Allis-Chalmers CE gasoline	4-cylinder 8-valve, liquid-cooled
Allis Chalmers CE distillate	4-cylinder 8-valve, liquid-cooled vertical I-head, Low-octane fuel engine designed to run on tractor fuels with an octane rating of 30 or higher.
Intake valve clearance (gasoline)	0.010 inches (0.254 mm)
Exhaust valve clearance (gasoline)	0.010 inches (0.254 mm)

Dimensions

Width	68.5 inches (173 cm)
Height	62.75 inches (159 cm)
Length	114 inches (289 cm)
Weight	2500 lbs (1134 kg)
Wheelbase	77 inches (195 cm)
Rear tread	52 to 80 inches (132 to 203 cm)
Front tread	82 inches (208 cm)

Electrical

Ground	positive
Battery AH	95
Battery volts	6
Charging amps	12
Charging system	generator

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical drum brakes
Steering	Manual steering
Operator station	Open operator station

Production

Type	Row-Crop tractor
Built in	West Allis, Wisconsin, USA
Total built	84,020
Manufacturer	Allis Chalmers
Original price	$1,200 in 1949
Years produced	1940 - 1949

Belt Pulley