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Allis Chalmers HD15

Allis Chalmers HD15 tractor
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The Allis Chalmers HD15 is an agricultural crawler tractor produced from 1951 to 1955. It was built in Springfield, Illinois, USA, with a total production of 3,909 units. The tractor features a General Motors 7.0L 6-cylinder blower diesel engine, liquid-cooled 2-cycle vertical I-head design, rated at an estimated 116.7 hp. It has a 6-speed constant mesh transmission with 6 forward and 3 reverse gears. The HD15 uses crawler drive with hydraulic steering clutches and an open operator station. It has a fuel capacity of 91.5 gallons and weighs between 27,850 and 30,895 pounds. The tractor is equipped with 20-inch wide tracks and an 18-inch diameter belt pulley. Performance tests show drawbar power up to 104.4 hp and belt power up to 117.7 hp.
Allis Chalmers HD15tractorcrawler tractorGeneral Motors engine7.0L diesel6-speed transmissionagricultural tractortractor specifications
Power116 hp[B]
Founded1951 - 1955
ModelHD15

Technical Specifications

Detailed specifications and technical data for Allis Chalmers HD15

Power

Belt (tested):117.7 hp (87.8 kW)
Belt (claimed):105 hp (78.3 kW)
Drawbar (tested):104.4 hp (77.9 kW)
Drawbar (claimed):82 hp (61.1 kW)

Engine

Type:blower diesel
Cooling:liquid-cooled 2-cycle vertical I-head
Cylinders:6-cylinder
Rated RPM:1600
Bore/Stroke:4.25x5.00 inches (108 x 127 mm)
Compression:16.0:1
Displacement:426 ci (7.0 L)
Manufacturer:General Motors
Oil capacity:20 qts (18.9 L)
Starter volts:12
Coolant capacity:47 qts (44.5 L)

Tracks

Width:20 inches (50 cm)

Capacity

Fuel:91.5 gal (346.3 L)
Steering:10 qts (9.5 L)

Dimensions

Gauge:74 inches (187 cm)
Width:96.75 inches (245 cm)
Height:95 inches (241 cm)
Length:181 inches (459 cm)
Shipping weight:27850 lbs (12632 kg)
Ground clearance:14.375 inches (36 cm)
Operating weight:30895 lbs (14013 kg)

Mechanical

Drive:crawler
Steering:hydraulic steering clutches
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Springfield, Illinois, USA
Total built:3,909
Manufacturer:Allis Chalmers
Years produced:1951 - 1955

Belt Pulley

RPM:693
Speed:3266 ft/min (995.48 meters/min)
Width:15 inches (38 cm)
Diameter:18 inches (45 cm)

Transmission

Type:constant mesh
Gears:6 forward and 3 reverse
Oil capacity:34 qts (32.2 L)

Related Models

Allis Chalmers HD14

Model:HD14