Allis Chalmers ED40

The Allis Chalmers ED40 is a tractor produced by Allis Chalmers. It is equipped with a 137.89 ci 2.3 L engine. The listed engine power is Diesel (listed): 41 hp / 30.6 kW. Transmission: 8 forward and 2 reverse. Operating weight: 3527 lbs 1599 kg.

Engine Power

Diesel (listed): 41 hp / 30.6 kW

Fuel & Capacities

14.1 gal 53.4 L

Transmission

8 forward and 2 reverse

Operating Weight

3527 lbs 1599 kg

Overview

	1960 - 1968 Utility tractor

Production
Manufacturer	Allis Chalmers
Utility tractor
Built in Essendine, Lincolnshire, England

Allis Chalmers ED40 Engine
Standard Ricardo 2.3L 4-cyl diesel
Fuel tank	14.1 gal 53.4 L
Engine details ...

Allis Chalmers ED40 Transmission
8-speed gear
Transmission details ...

Allis Chalmers ED40 Power
Engine	41 hp 30.6 kW
PTO (claimed)	31 hp 23.1 kW

Mechanical
Two-wheel drive
Differential lock	mechanical rear
Manual steering
Mechanical drum brakes
Open operator station.

Hydraulics
Type	open center
Pressure	2500 psi 172.4 bar
Pump flow	6.4 gpm 24.2 lpm

Tractor hitch
Rear Type	I
Rear lift (at ends)	2500 lbs 1134 kg

Power Take-off (PTO)
Rear PTO	live OptOptional
Rear PTO Type	540 (1.375)
Engine RPM	540@1700

Dimensions & Tires
Wheelbase	76.4 inches 194 cm
Weight	3527 lbs 1599 kg
Front tire	4.00x19
Rear tire	10x28
Full dimensions and tires ...

Belt Pulley
Diameter	10 inches 25 cm
RPM	1158
Speed	3020 ft/min 920.50 meters/min

References

ED 40 published by Allis Chalmers
ED-40 Tractor with Depthomatic Control published by Allis Chalmers

Engine

Engine Detail — 137.89 ci / 2.3 L Diesel

Manufacturer	Standard Ricardo 23C
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	137.89 ci 2.3 L
Bore/Stroke	3.3125x4.00 inches 84 x 102 mm
Power	41 hp 30.6 kW
Pre-heating	glow plugs
Rated RPM	2000
Starter volts	12
Oil capacity	7.2 qts 6.8 L

Transmission

Transmission — 8 forward and 2 reverse gear

Type	gear
Gears	8 forward and 2 reverse
Clutch	254mm dry disc
Oil capacity	32.4 qts 30.7 L

Dimensions

Allis Chalmers ED40 Tires
Ag front	4.00x19
	6.00x16
Ag rear	10x28
	11x28

Dimensions
Wheelbase	76.4 inches 194 cm
Length	114 inches 289 cm
Width	63 inches*Minimum width. 160 cm
Height (hood)	57.1 inches 145 cm
Height (exhaust)	68 inches 172 cm
Weight	3527 lbs 1599 kg
Front tread	48 to 70 inches 121 to 177 cm
Rear tread	48 to 72 inches 121 to 182 cm

Photos

Allis-Chalmers ED40 utility tractor, right side.

Allis-Chalmers ED40 utility tractor, left side.

Allis-Chalmers ED40 utility tractor.

Recommended Implements & Sizing Guide

Engineering recommendations for Allis Chalmers ED40 based on its 41 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	6 ft (72 in)1.8 m	Medium Duty	Medium pasture clearing; rear slip-clutch recommended.
Rotary TillerSeedbed Prep	66 to 72 in165 - 180 cm	Medium Duty	Standard utility tiller; slip clutch protection required.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	Small Square Baler (14x18")小方捆打捆机 (36x46 cm)	Medium Duty	Classic 2-string baler for horse and small livestock hay.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers ED40.

Estimated Continuous Field Runtime: 6.6 hrs

Approximately 6.6 hours of continuous field operation at ~75% rated power on a full tank (14.1 gal / 53.4 L).

Estimated 75% Load Fuel Burn~2.1 gal/hr (8.1 L/hr)

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