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Caterpillar D8 Specs ( 1937-1965 )

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Production

Description Agricultural Crawler tractor / Built in Peoria, Illinois, USA
Manufacturer Caterpillar

Engine

Engine type Caterpillar 20.4L 6-cyl diesel
Fuel tank 57 gal (215.7 L)
Bore/Stroke 5.75x8.00 inches (146 x 203 mm)
Description Caterpillar D13000 / diesel / 6-cylinder / liquid-cooled
Displacement 1246 ci (20.4 L)
Power 115 hp (85.8 kW)
Rated RPM 850
Belt (tested) 127.93 hp (95.4 kW)
Drawbar (tested) 110.06 hp (82.1 kW)

Transmission

Gears 6 forward and 2 reverse
Transmission type 6-speed gear
Type gear

Mechanical

Cab Open operator station.
Drive crawler

Dimensions & Tires

Gauge 78 inches (198 cm)
Height 84 inches (213 cm)
Length 186 inches (472 cm)
Weight 36520 lbs (16565 kg)
Width 101 inches (256 cm)

Caterpillar D8 Tracks

Width 20 inches (50 cm)

D8 Serial Numbers

1937 1H1500
1938 1H2727
1939 1H3906
1940 1H5729
1941 1H7693
Description FAQ: How to read a serial number table.

Dimensions & Tracks

Description 20-inch tracks
Weight 36520 lbs (16565 kg)

Nebraska Tractor Test 314

Belt fuel use (max) 7.0 gal/hour (26.5 l/hour)
Belt power (max) 109.64 hp (81.8 kW)
Description Diesel 6-speed crawlerNovember 28, 1939 - November 30, 1938Link: Nebraska Tractor Test 314 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test.
Max power 96.67 hp (72.1 kW)
Max pull 26110 lbs (11843 kg)

Nebraska Tractor Test 357

Belt fuel use (max) 8.6 gal/hour (32.6 l/hour)
Belt power (max) 127.93 hp (95.4 kW)
Description Diesel 6-speed crawlerOctober 11 - 16, 1940Link: Nebraska Tractor Test 357 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test.
Max power 110.06 hp (82.1 kW)
Max pull 26208 lbs (11887 kg)

Tractor Tests

Description NTTL 314: diesel 6-speed crawler / NTTL 357: diesel 6-speed crawler