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Caterpillar Forty Specs ( 1934-1936 )

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Production

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

Engine

Engine type Caterpillar 8.0L 4-cyl gasoline
Bore/Stroke 5.125x6.50 inches (130 x 165 mm)
Description Caterpillar / gasoline / 4-cylinder / liquid-cooled
Displacement 485.3 ci (8.0 L)
Rated RPM 850
Belt (tested) 56.42 hp (42.1 kW)
Drawbar (tested) 48.91 hp (36.5 kW)

Transmission

Gears 4 forward and 1 reverse
Transmission type 4-speed gear
Type gear

Mechanical

Cab Open operator station.
Drive crawler

Dimensions & Tires

Gauge 56 inches (142 cm)
Weight 13625 lbs (6180 kg)

Caterpillar Forty Tracks

Width 16 inches (40 cm)

Dimensions & Tracks

Description 16-inch tracks
Weight 13625 lbs (6180 kg)

Forty Serial Numbers

1934 5G1
1935 5G43
1936 5G434
Description FAQ: How to read a serial number table.
Final 5G584

Nebraska Tractor Test 244

Belt fuel use (max) 5.9 gal/hour (22.3 l/hour)
Belt power (max) 48.57 hp (36.2 kW)
Description Gasoline (850 RPM) 4-speed crawlerSeptember 16 - 20, 1935Link: Nebraska Tractor Test 244 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test.
Max power 41.78 hp (31.2 kW)
Max pull 9692 lbs (4396 kg)

Nebraska Tractor Test 245

Belt fuel use (max) 6.9 gal/hour (26.1 l/hour)
Belt power (max) 56.42 hp (42.1 kW)
Description Gasoline (1000 RPM) 4-speed crawlerSeptember 18 - 23, 1935Link: Nebraska Tractor Test 245 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test.
Max power 48.91 hp (36.5 kW)
Max pull 9466 lbs (4293 kg)

Tractor Tests

Description NTTL 244: gasoline (850 RPM) 4-speed crawler / NTTL 245: gasoline (1000 RPM) 4-speed crawler

Variants

Diesel Forty diesel engine
Forty gas engine