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Allis Chalmers HD9

Allis Chalmers HD9 tractor
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The Allis Chalmers HD9 is an agricultural crawler tractor produced from 1951 to 1955. It was built in Springfield, Illinois, USA, with a total production of 5,850 units. Powered by a General Motors 4.7L 4-cylinder blower diesel engine, it features a 6-speed gear transmission with 3 reverse gears. The tractor has an open operator station and uses crawler drive. It delivers an estimated 93.3 hp engine power for comparison, with drawbar and belt power ratings both claimed and tested. The HD9 has 16-inch or 20-inch track widths and weighs approximately 18,800 lbs. It was succeeded by the Allis Chalmers HD11 model.
Allis Chalmers HD9tractorcrawler tractorGeneral Motors engine4.7L diesel6-speed transmissionagricultural tractortractor specifications
Power93 hp[B]
Founded1951 - 1955
ModelHD9

Technical Specifications

Detailed specifications and technical data for Allis Chalmers HD9

Power

Belt (tested):79.1 hp (59.0 kW)
Belt (claimed):84 hp (62.6 kW)
Drawbar (tested):67.39 hp (50.3 kW)
Drawbar (claimed):70 hp (52.2 kW)

Engine

Fuel tank:55 gal (208.2 L)
Rated RPM:1600
Bore/Stroke:4.25x5.00 inches (108 x 127 mm)
Compression:16.0:1
Displacement:284 ci (4.7 L)
Oil capacity:16 qts (15.1 L)
Engine Detail:General Motors blower diesel 4-cylinder liquid-cooled 2-cycle vertical I-head
Starter volts:12
Coolant capacity:29 qts (27.4 L)

Tracks

Width:16 inches (40 cm)
Alternate width:20 inches (50 cm)

Dimensions

Gauge:74 inches (187 cm)
Width:95.1 inches (241 cm)
Height:73.1 inches (185 cm)
Length:150 inches (381 cm)
Shipping weight:18800 lbs (8527 kg)

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Springfield, Illinois, USA
Total built:5,850
Manufacturer:Allis Chalmers
Production years:1951 - 1955

Transmission

Type:gear
Gears:6 forward and 3 reverse
Oil capacity:27 qts (25.6 L)

Related Models

Allis Chalmers HD11

Model:HD11