Allis Chalmers

Allis Chalmers 25-40 E

The Allis Chalmers 25-40 E is a standard-tread farm tractor produced from 1930 to 1936 in West Allis, Wisconsin, USA. It features two engine options, an 8.4L and a 9.2L 4-cylinder gasoline engine, with power ratings up to 47 hp on the belt. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears, two-wheel drive, manual steering, and an open operator station. It weighs 7000 lbs and rides on 36x6 front and 50x12 rear steel tires.

Power44 hp[B]

Founded1930 - 1936

Model25-40 E

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers 25-40 E

Power

Belt (tested)	47.00 hp (35.0 kW)
Belt (claimed)	40 hp (29.8 kW)
Drawbar (tested)	33.82 hp (25.2 kW)
Drawbar (claimed)	25 hp (18.6 kW)

Engine

Details 8.4L	Allis Chalmers gasoline 4-cylinder liquid-cooled vertical I-head
Details 9.2L	Allis Chalmers 4-cylinder liquid-cooled
Engine options	Allis Chalmers 8.4L 4-cyl gasoline, Allis Chalmers 9.2L 4-cyl
Rated RPM 8.4L	1000
Bore/Stroke 8.4L	5.00x6.50 inches (127 x 165 mm)
Bore/Stroke 9.2L	5.25x6.50 inches (133 x 165 mm)
Displacement 8.4L	510.5 ci (8.4 L)
Displacement 9.2L	563 ci (9.2 L)
Coolant capacity 8.4L	40 qts (37.9 L)