Allis Chalmers

D-12

Farm tractor · 1959–1964 · 39 hp

The Allis Chalmers D-12 is a farm tractor manufactured from 1959 to 1964. It features a Allis-Chalmers engine, and manual steering. The transmission is a sliding gear type with 4 forward and 1 reverse.

Engine

EngineAllis-Chalmers
Fuel Typegasoline
Cylinders4
Coolingliquid-cooled
Displacement149 ci (2.4 L)
Bore3.5 in (89 mm)
Stroke3.88 in (98 mm)
Compression Ratio7.5
Power Gross23.1 kW
Power Net39 hp (29.1 kW)
Power Rated31 hp (23.1 kW)
Power PTO33.32 hp (24.8 kW)
Power Drawbar29.43 hp (21.9 kW)
Torque Peak137 lb-ft (185.8 Nm)
Air Cleaneroil bath
Starter Volts12
Oil Capacity4.5 qts (4.3 L)
Coolant Capacity8 qts (7.6 L)
ManufacturerAllis-Chalmers
Rated1,650 RPM
Firing Order1-2-4-3

Transmission

Transmission Typesliding gear
Gears4 forward and 1 reverse
Oil Capacity4.5 qts (4.3 L)
Available Options4-speed sliding gear

Hydraulics

Typeopen center
Pump Flow3.56 gpm (13.5 lpm)
Pressure1,500 psi (103.4 bar)
Valves1

PTO

Rear Type540

Hitch

Rear TypeI

Dimensions

Length121 in (307 cm)
Height52.5 in (133 cm)
Wheelbase78.75 in (200 cm)
Front Tread49.3 in (125 cm)
Rear Tread52 in (132 cm)

Weight

Shipping3,200 lbs (1,451 kg)
Ballasted5,630 lbs (2,553 kg)

Tires & Tracks

Front Ag5.00x15, 6.00x16
Rear Ag11.2x24, 12.4x24

Fuel

Capacity12.5 gal (47.3 L)

Steering

Typemanual

Attachments

Front-end loaderBackhoe
Digging Depth162 in (411 cm)
Backhoe ModelAllis-Chalmers Mark I Backhoe