Cletrac

Cletrac HG

The Cletrac HG is an agricultural crawler tractor built from 1939 to 1951 by Cletrac, a part of Oliver, in Cleveland, Ohio, USA. It features a crawler drive with an open operator station. The tractor was produced in a total of 29,930 units. It was powered by various Hercules 4-cylinder gasoline engines ranging from 1.9L to 2.2L displacement. The transmission is a 3-speed gear type with 3 forward and 1 reverse gears. The tractor has a rear PTO type of 540 (1.375). Dimensions vary by model variant, with lengths of 100 inches and widths ranging from 41.25 to 78.25 inches depending on the gauge. The tracks are 6 inches wide and 50 inches long on the ground. Shipping weight ranges from 3125 to 3226 lbs, and operating weight ranges from 3395 to 3496 lbs. The Cletrac HG was succeeded by the Cletrac OC-3 model produced from 1951 to 1957.

Power17 hp[B]

Founded1939 - 1951

ModelHG

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Technical Specifications

Detailed specifications and technical data for Cletrac HG

Power

Belt (tested)	25.3 hp (18.9 kW)
Belt (claimed)	16 hp (11.9 kW)
Drawbar (tested)	21.3 hp (15.9 kW)
Drawbar (claimed)	22 hp (16.4 kW)

Engine

Air cleaner	Vortox
Compression	6.67:1
Rated RPM 1	1700
Rated RPM 2	1400
Rated RPM 3	1700
Oil capacity	5 qts (4.7 L)
Bore/Stroke 1	3.25x4.00 inches (83 x 102 mm)
Bore/Stroke 2	3.00x4.00 inches (76 x 102 mm)
Bore/Stroke 3	3.125x4.00 inches (79 x 102 mm)
Starter volts	6
Displacement 1	133 ci (2.2 L)
Displacement 2	113.1 ci (1.9 L)
Displacement 3	122.3 ci (2.0 L)
Engine options	Hercules 2.2L 4-cyl gasoline, Hercules 1.9L 4-cyl gasoline, Hercules 2.0L 4-cyl gasoline
Engine Detail 1	Hercules IXB3, gasoline, 4-cylinder, liquid-cooled vertical L-head, Final engine, used from 1950 on.
Engine Detail 2	Hercules IXA3, gasoline, 4-cylinder, liquid-cooled, Original engine, used from 1939 to late 1940
Engine Detail 3	Hercules IXK, gasoline, 4-cylinder, liquid-cooled, Second engine, used from late 1940 to 1950.
Coolant capacity 1	12 qts (original) (11.4 L), 11 qts (late) (10.4 L)
Coolant capacity 3	11 qts (10.4 L)

Tracks

Width	6 inches (15 cm)
Area on ground	600 in² (0.4 m²)
Length on ground	50 inches (127 cm)

Weight

Shipping HG-31	3125 lbs (1417 kg)
Shipping HG-42	3163 lbs (1434 kg)
Shipping HG-60	3226 lbs (1463 kg)
Operating HG-31	3395 lbs (1539 kg)
Operating HG-42	3433 lbs (1557 kg)
Operating HG-60	3496 lbs (1585 kg)

Dimensions

Length	100 inches (254 cm)
Gauge 31	31 inches (78 cm)
Gauge 42	42 inches (106 cm)
Gauge 60	60 inches (152 cm)
Gauge 68	68 inches (172 cm)
Width HG-31	41.25 inches (104 cm)
Width HG-42	52.25 inches (132 cm)
Width HG-60	70.25 inches (178 cm)
Width HG-68	78.25 inches (198 cm)
Height (hood)	50 inches (127 cm)