Allis Chalmers 25-40 E

The Allis Chalmers 25-40 E is a tractor produced by Allis Chalmers. It is equipped with a 563 ci 9.2 L engine. Transmission: 2 forward and 1 reverse. Operating weight: 7000 lbs 3175 kg.

Fuel & Capacities

Gasoline

Transmission

2 forward and 1 reverse

Operating Weight

7000 lbs 3175 kg

Overview

	1930 - 1936 Standard-tread tractor

Production
Manufacturer	Allis Chalmers
Standard-tread tractor
Built in West Allis, Wisconsin, USA
Total built	1,426

Allis Chalmers 25-40 Transmission
2-speed gear
Transmission details ...

Allis Chalmers 25-40 Power
Drawbar (claimed)	25 hp 18.6 kW
Belt (claimed)	40 hp 29.8 kW
Drawbar (tested)	33.82 hp 25.2 kW
Belt (tested)	47.00 hp 35.0 kW
Performance test details ...

Mechanical
Two-wheel drive
Manual steering
Open operator station.

Dimensions & Tires
Weight	7000 lbs 3175 kg
Front tire	36x6
Rear tire	50x12
Full dimensions and tires ...

Engine

Engine options
Allis Chalmers 8.4L 4-cyl gasoline
Allis Chalmers 9.2L 4-cyl

Engine Detail — 510.5 ci / 8.4 L Gasoline

Manufacturer	Allis Chalmers
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled vertical I-head
Displacement	510.5 ci 8.4 L
Bore/Stroke	5.00x6.50 inches 127 x 165 mm
Rated RPM	1000
Coolant capacity	40 qts 37.9 L

Engine Detail — 563 ci / 9.2 L

Manufacturer	Allis Chalmers
Configuration	4-cylinder, liquid-cooled
Displacement	563 ci 9.2 L
Bore/Stroke	5.25x6.50 inches 133 x 165 mm

Transmission

Transmission — 2 forward and 1 reverse gear

Type	gear
Gears	2 forward and 1 reverse

Dimensions

Allis Chalmers 25-40 Tires
Ag front	36x6 steel
Ag rear	50x12 steel

Dimensions
Length	152 inches 386 cm
Width	76 inches 193 cm
Height	65 inches 165 cm
Weight	7000 lbs 3175 kg

Tests

Nebraska Tractor Test 193
Distillate 2-speed 2WD June 18 - 25, 1931 Link: Nebraska Tractor Test 193 file
Belt power (max)	47.00 hp 35.0 kW
Belt fuel use (max)	5.5 gal/hour 20.8 l/hour
Drawbar performance
Max power	33.82 hp 25.2 kW
Gear 1 used for power test.
Max pull	4,133 lbs 1874 kg
Gear 1 used for pull test.

Photos

Allis Chalmers 25-40 E

Allis-Chalmers 25-40 operator station and controls.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers 25-40 E.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours