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Allis-Chalmers HD15 Specs ( 1951-1955 )

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Production

Description Agricultural Crawler tractor / Built in Springfield, Illinois, USA
Manufacturer Allis Chalmers
Total built 3,909

Engine

Engine type General Motors 7.0L 6-cyl diesel
Bore/Stroke 4.25x5.00 inches (108 x 127 mm)
Compression 16.0:1
Coolant capacity 47 qts (44.5 L)
Description General Motors / blower diesel / 6-cylinder / liquid-cooled 2-cycle vertical I-head
Displacement 426 ci (7.0 L)
Oil capacity 20 qts (18.9 L)
Rated RPM 1600
Starter volts 12
Belt (claimed) 105 hp (78.3 kW)
Belt (tested) 117.7 hp (87.8 kW)
Drawbar (claimed) 82 hp (61.1 kW)
Drawbar (tested) 104.4 hp (77.9 kW)

Transmission

Gears 6 forward and 3 reverse
Oil capacity 34 qts (32.2 L)
Transmission constant mesh
Transmission type 6-speed

Mechanical

Cab Open operator station.
Drive crawler
Steering hydraulic steering clutches

Capacity

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

Dimensions & Tires

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

Allis Chalmers HD15 Tracks

Width 20 inches (50 cm)

Belt Pulley

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

Dimensions & Tracks

Description 20-inch tracks
Weight 27850 to 30895 pounds

HD15 Serial Numbers

1950 1
1951 2
1952 811
1953 1858
1954 2856
1955 3685
Description FAQ: How to read a serial number table.
Final 3909
Location: Steering clutch housing or instrument panel

Nebraska Tractor Test 464

Belt power (max) 117.7 hp (87.8 kW)
Description July 17 - August 2, 1951Link: Nebraska Tractor Test 464 file / Drawbar performance / Gear 1 used for pull test.
Max power 104.4 hp (77.9 kW)
Max pull 29400 lbs (13335 kg)