Allis Chalmers H3

Allis Chalmers H3 Technical Specifications

Allis Chalmers H3 is a Row-Crop tractor that was produced by the John Deere between 1960 – 1967.

Below you will find detailed technical specifications for Allis Chalmers H3 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Allis Chalmers H3 Production

Manufacturer: Allis Chalmers
Type: Agricultural Crawler tractor
Factory: Springfield, Illinois, USA
The Allis-Chalmers H3 crawler was based on the gas-powered D15 farm tractor.

Allis Chalmers H3 Power

Drawbar (tested): 25.48 hp
19.0 kW
PTO (tested): 32.11 hp
23.9 kW

Allis Chalmers H3 Mechanical

Chassis: crawler
Steering: mechanical clutches
Brakes: mechanical contracting band
Cab: Open operator station.
Transmissions: 8-speed two-speed power shift
  4-speed mechanical shuttle


Fuel: 14 gal
53.0 L
Hydraulic system: 16.5 gal
62.5 L


Type: open center
Capacity: 16.5 gal
62.5 L
Valves: 1 to 3
Pump flow: 15 gpm
56.8 lpm
  25 gpm
94.6 lpm (optional)

Power Take-off (PTO)

Rear PTO: optional
Rear RPM: 540

Allis Chalmers H3 Engine detail

Engine Detail
Allis Chalmers
Displacement: 149 ci
2.4 L
Bore/Stroke: 3.50×3.875 inches
89 x 98 mm
Fuel system: Marvel-Schebler carburetor
Air cleaner: oil bath
Compression: 7.5:1
Rated RPM: 1650
Starter: electric
Starter volts: 12
Coolant capacity: 9 qts
8.5 L

Allis Chalmers H3 Transmission overview

Engine Oil

Transmission: Power Director
Type: two-speed power shift
Gears: 8 forward and 2 reverse
Clutch: wet disc (Power Director)
  dry disc (gear)
Four gears (1-4) plus reverse (R) with two-speed high/low power shift.

Allis Chalmers H3 Dimensions

Wheelbase: 64 inches
162 cm
Length: 108.75 inches
276 cm
Height (hood): 48.3 inches
122 cm
Height (exhaust): 71.7 inches
182 cm
Weight: 7395 lbs
3354 kg
Gauge: 48 inches
121 cm

Allis Chalmers H3 Tests

Nebraska Tractor Test 793

Nebraska Tractor Test 793
Gasoline 8-speed crawler
May 12 – 25, 1961
Link: Nebraska Tractor Test 793 file
PTO performance
Power at rated engine speed: 32.11 hp
23.9 kW
Fuel use: 2.9 gal/hour
11.0 l/hour
Drawbar performance
Max power: 25.48 hp
19.0 kW
Fuel use: 2.9 gal/hour
11.0 l/hour
Gear 2H used for power test.
Max pull: 7893 lbs
3580 kg
Gear 1L used for pull test.


Is Allis Chalmers H3 a good tractor?

The Allis Chalmers H3 is one of the great tractors in the Allis Chalmers stable, and it has earned Allis Chalmers a fantastic reputation.

How much oil does a Allis Chalmers H3 take?

Check out the Allis Chalmers H3 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Allis Chalmers made the ?

The Allis Chalmers H3 was an agricultural tractor model made from 1960 – 1967

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