Allis Chalmers HD20

Allis Chalmers HD20 Technical Specifications

Allis Chalmers HD20 is a Row-Crop tractor that was produced by the John Deere between 1951 – 1954.

Below you will find detailed technical specifications for Allis Chalmers HD20 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 HD20 Production

Manufacturer: Allis Chalmers
Type: Agricultural Crawler tractor
Factory: Springfield, Illinois, USA
Total built: 3,100

Allis Chalmers HD20 Power

Engine (net): 175 hp
130.5 kW
Drawbar (claimed): 117 hp
87.2 kW
Drawbar (tested): 116.7 hp
87.0 kW

Allis Chalmers HD20 Mechanical

Chassis: crawler
Cab: Open operator station.
Transmission: 2-speed torque converter

Allis Chalmers HD20 Engine detail

Engine Detail
General Motors
blower diesel
liquid-cooled 2-cycle vertical I-head
Displacement: 660 ci
10.8 L
Bore/Stroke: 5.00×5.60 inches
127 x 142 mm
Compression: 18.0:1
Rated RPM: 1700
Starter volts: 24
Coolant capacity: 60 qts
56.8 L

Allis Chalmers HD20 Transmission overview

Engine Oil

Type: torque converter
Gears: 2 forward and 1 reverse

Allis Chalmers HD20 Dimensions

Length: 191 inches
485 cm
Height: 95 inches
241 cm
Weight: 41000 lbs
18597 kg

Allis Chalmers HD20 Tests

Nebraska Tractor Test 465

July 1951
Drawbar performance
Max power: 116.7 hp
87.0 kW
Max pull: 30,464 lbs
13818 kg


Is Allis Chalmers HD20 a good tractor?

The Allis Chalmers HD20 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 HD20 take?

Check out the Allis Chalmers HD20 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 HD20 was an agricultural tractor model made from 1951 – 1954

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