Allis Chalmers 20-35: all source data

All 41 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
Manufacturer	Allis Chalmers
(no label)	Standard-tread tractor
(no label)	Built in West Allis, Wisconsin, USA
(no label)	When the Allis-Chalmers E 18-30 was re-tested in 1921 at 930 RPM, it produced a rated 38 belt horsepower. The tractor was re-named the 20-35.

Engine
(no label)	Allis Chalmers 7.6L 4-cyl gasoline
Fuel tank	25 gal \| 94.6 L
Aux. fuel	7.75 gal \| 29.3 L

Transmission
(no label)	2-speed unsynchronized gear

Power
Drawbar (claimed)	20 hp \| 14.9 kW
Belt (claimed)	35 hp \| 26.1 kW
Plows	4
Drawbar (tested)	33.20 hp \| 24.8 kW
Belt (tested)	44.29 hp \| 33.0 kW

Mechanical
(no label)	Two-wheel drive
(no label)	Manual steering
(no label)	Open operator station.

Dimensions
Weight	6640 lbs \| 3011 kg
Front tire	36x6
Rear tire	50x12

Belt pulley
Diameter	13 inches \| 33 cm
Width	8.5 inches \| 21 cm
RPM	930

Engine

Engine detail
(no label)	Allis Chalmers
(no label)	gasoline
(no label)	4-cylinder
(no label)	liquid-cooled vertical valve-in-head
Displacement	460.7 ci \| 7.6 L
Bore/Stroke	4.75x6.50 inches \| 121 x 165 mm
Fuel system	Kingston L 1.5" carburetor
Air cleaner	oil bath
Rated RPM	930
Coolant capacity (Coolant)	40 qts \| 37.9 L

Transmission

Transmission
Type	unsynchronized gear
Gears	2 forward and 1 reverse
Clutch	hand-operated expanding shoe

Dimensions

Tires
Ag front	36x6 steel
Ag rear	50x12 steel

Dimensions
Length	135 inches \| 342 cm
Width	66 inches \| 167 cm
Height	68 inches \| 172 cm
Weight	6640 lbs \| 3011 kg