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Allis Chalmers HD14

Allis Chalmers HD14 tractor
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The Allis Chalmers HD14 is a crawler tractor built from 1939 to 1947 in Springfield, Illinois, USA. It features a General Motors 7.0L 6-cylinder diesel engine and was produced in a total of 6,405 units. The tractor offers a 6-speed sliding gear transmission or a 3-speed torque converter variant (HD14C). It delivers a drawbar power of approximately 127 hp and belt power of 145 hp. The HD14 has a crawler drive with an open operator station and weighs between 28,750 and 29,330 pounds depending on the variant. It rides on 22-inch wide tracks and has dimensions of 165 inches length, 92 inches width, and 80 inches height.
Allis Chalmers HD14crawler tractortractor specificationsGeneral Motors 6-71 engine6-speed sliding gear transmissiontorque convertertractor dimensionstractor power
Power161 hp[B]
Founded1939 - 1947
ModelHD14

Technical Specifications

Detailed specifications and technical data for Allis Chalmers HD14

Power

Belt (tested):145.39 hp (108.4 kW)
Belt (claimed):145 hp (108.1 kW)
Drawbar (tested):126.98 hp (94.7 kW)
Drawbar (claimed):127 hp (94.7 kW)

Engine

Type:blower diesel
Model:General Motors 6-71
Cooling:liquid-cooled 2-cycle vertical I-head
Cylinders:6-cylinder
Fuel tank:68 gal (257.4 L)
Rated RPM:1500
Bore/Stroke:4.25x5.00 inches (108 x 127 mm)
Compression:16.0:1
Displacement:426 ci (7.0 L)
Oil capacity:14 qts (13.2 L)
Starter volts:12
Coolant capacity:48 qts (45.4 L)

Tracks

Width:22 inches (55 cm)
Area on ground:3759 in² (2.4 m²)
Ground pressure:7.39 psi (0.5 bar)
Length on ground:85.4 inches (216 cm)

Variants

HD14C:torque converter

Dimensions

Gauge:68 inches (172 cm)
Width:92 inches (233 cm)
Height:80 inches (203 cm)
Length:165 inches (419 cm)
Operating weight:28750 lbs (13041 kg), 29330 lbs (13304 kg) (HD14C)

Mechanical

Drive:crawler
Operator station:Open operator station.

Production

Built in:Springfield, Illinois, USA
Total built:6,405
Manufacturer:Allis Chalmers

Transmission

Options:6-speed sliding gear, 3-speed torque converter
Sliding gear type:sliding gear
Sliding gear gears:6 forward and 2 reverse
Torque converter type:torque converter
Torque converter gears:3 forward and 1 reverse
Sliding gear oil capacity:40 qts (37.9 L)

Related Models

Allis Chalmers HD15

Model:HD15