Allis Chalmers D12

Allis Chalmers D12 Row-Crop tractor Technical Specifications

Allis Chalmers D12 is a Row-Crop tractor that was produced by the John Deere between 1959 – 1968.

Below you will find detailed technical specifications for Allis Chalmers D12 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 D12 Production

Manufacturer Allis Chalmers
Row-Crop tractor
Built in West Allis, Wisconsin, USA
Original price $3,522 (1968)

Allis Chalmers D12 Power

Engine: 29.43 hp
21.9 kW
PTO (tested) 33.32 hp
24.8 kW

Allis Chalmers D12 Mechanical

Two-wheel drive
Open operator station.


Type live
Valves 1 or 2

Tracktor Hitch

Rear Type I
Type Snap-Couple

Power Take-off (PTO)

Rear RPM 540

Title serial numbers

1959 1001
1960 1950
1961 2801
1962 3638
1963 5501
1964 6012
1965 9192
1966 9508
1967 9830

FAQ: How to read a serial number table.

What year is my Allis Chalmers D12? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

Allis Chalmers D12 Engine detail

Engine Detail
liquid-cooled vertical L-head
Original engine, used until 149 ci engine appeared in 1961.
Displacement 138.7 ci
2.3 L
Bore/Stroke 3.375×3.875 inches
86 x 98 mm
Power 31 hp
23.1 kW
Air cleaner oil bath
Compression 7.75:1
Rated RPM 1650
Starter volts 6
Oil capacity 4 qts
3.8 L
Coolant capacity 8 qts
7.6 L

Allis Chalmers D12 Transmission overview

Engine Oil

Type sliding gear
Gears 4 forward and 1 reverse

Allis Chalmers D12 Dimensions

Wheelbase 78.75 inches
200 cm
Length 121 inches
307 cm
Height (hood) 52.5 inches
133 cm
Height (exhaust) 76.5 inches
194 cm
Shipping weight 2,800 lbs
1270 kg
Ballasted weight 5,630 lbs
2553 kg
Clearance (front axle) 20.25 inches
51 cm
Clearance (rear axle) 22.25 inches
56 cm
Front tread 49.3 to 80 inches
125 to 203 cm
Rear tread 52 to 79.25 inches
132 to 201 cm

Allis Chalmers D12 Tests

Nebraska Tractor Test 723

Nebraska Tractor Test 723
138 gasoline 4-speed 2WD
October 13 – 20, 1959
Link: Nebraska Tractor Test 723 file
PTO performance
Power at rated engine speed 28.56 hp
21.3 kW
Fuel use 2.3 gal/hour
8.7 l/hour
Drawbar performance
Max power 23.56 hp
17.6 kW
Fuel use 2.2 gal/hour
8.3 l/hour
Gear 3 used for power test.
Max pull 4,041 lbs
1832 kg
Gear 1 used for pull test.

Nebraska Tractor Test 813

Nebraska Tractor Test 813
149 gasoline 4-speed 2WD
April 4 – 19, 1962
Link: Nebraska Tractor Test 813 file
PTO performance
Power at rated engine speed 33.32 hp
24.8 kW
Fuel use 2.7 gal/hour
10.2 l/hour
Drawbar performance
Max power 29.43 hp
21.9 kW
Fuel use 2.8 gal/hour
10.6 l/hour
Gear 3 used for power test.
Max pull 4,241 lbs
1923 kg
Gear 1 used for pull test.


Is Allis Chalmers D12 a good tractor?

The Allis Chalmers D12 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 D12 take?

Check out the Allis Chalmers D12 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 D12?

The Allis Chalmers D12 was an agricultural tractor model made from 1959 – 1968

How much horsepower is a Allis Chalmers D12?

The D12 engine tested at 29.43 hp
21.9 kW drawbar and 33.32 hp
24.8 kW kW PTO horsepower.

How much does a Allis Chalmers D12 tractor weight?

Depending on the engine type, the Allis Chalmers D12 weight ranges from 2,800 lbs
1270 kg .

How much can a Allis Chalmers D12 Pull?

The max pulling capacity of the Allis Chalmers D12 tractors starts at 4,041 lbs
1832 kg but may be slightly higher depending on the trim.

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