John Deere 40C: all source data
All 66 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Agricultural Crawler tractor |
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| (no label) | Built in Dubuque, Iowa, USA |
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| Total built | 11,814 |
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| (no label) | The John Deere 40C is the crawler version of the model 40. |
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Engine| (no label) | John Deere 1.6L 2-cyl gasoline |
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| (no label) | John Deere 1.6L 2-cyl all-fuel |
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| Fuel tank | 11 gal | 41.6 L |
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Transmission| (no label) | 4-speed unsynchronized gear |
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Power| Drawbar (claimed) | 15.11 hp | 11.3 kW |
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| Belt (claimed) | 21.24 hp | 15.8 kW |
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| Drawbar (tested) | 19.63 hp | 14.6 kW |
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| Belt (tested) | 25.0 hp | 18.6 kW |
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Mechanical| Drive | crawler |
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| Steering | manual clutches |
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| (no label) | Mechanical contracting band brakes |
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| (no label) | Open operator station. |
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Dimensions| Wheelbase | 56 inches | 142 cm |
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| Weight | 4500 to 6000 pounds |
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| (no label) | 12-inch tracks |
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Serial location| (no label) | Left side of tractor, behind bell housing |
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Belt pulley| Diameter | 9.1 inches | 23 cm |
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| Width | 6.125 inches | 15 cm |
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| RPM | 1267 |
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| Speed | 3006 ft/min | 916.23 meters/min |
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Electrical| Ground | positive |
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| Battery volts | 6 |
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Engine
Engine options| (no label) | John Deere 1.6L 2-cyl gasoline |
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| (no label) | John Deere 1.6L 2-cyl all-fuel |
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Engine detail| (no label) | John Deere |
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| (no label) | gasoline |
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| (no label) | 2-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 100.5 ci | 1.6 L |
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| Bore/Stroke | 4.00x4.00 inches | 102 x 102 mm |
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| Compression | 6.5:1 |
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| Rated RPM | 1850 |
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| Firing order | 1-2 |
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| Starter volts | 6 |
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| Oil capacity | 5 qts | 4.7 L |
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| Coolant capacity (Coolant) | 14 qts | 13.2 L |
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| Sparkplug gap | 0.025 inches | 0.635 mm |
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| Point gap | 0.022 inches | 0.559 mm |
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| (no label) | John Deere |
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| (no label) | all-fuel |
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| (no label) | 2-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 100.5 ci | 1.6 L |
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| Bore/Stroke | 4.00x4.00 inches | 102 x 102 mm |
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| Air cleaner | oil bath |
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| Compression | 6.5:1 |
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| Rated RPM | 1850 |
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| Firing order | 1-2 |
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| Starter volts | 6 |
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| Oil capacity | 5 qts | 4.7 L |
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| Sparkplug gap | 0.025 inches | 0.635 mm |
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| Point gap | 0.022 inches | 0.559 mm |
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Transmission
Transmission| Transmission | John Deere |
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| Type | unsynchronized gear |
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| Gears | 4 forward and 1 reverse |
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Dimensions
Tracks| Width | 12 inches | 30 cm |
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| Width | 10 inches | 25 cm |
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| Width | 14 inches | 35 cm |
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Dimensions| Wheelbase | 56 inches | 142 cm |
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| Weight | 4,500 lbs | 2041 kg |
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| Weight | 6,000 lbs (with blade) | 2721 kg |
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