The John Deere 420C is a 2WD agricultural crawler manufactured by John Deere in Dubuque, Iowa, USA from 1956 to 1958. The John Deere 420C is equipped with a 1.9 L (113.0 cu·in) two-cylinder gasoline engine and one of two transmissions: a unsynchronized gear transmission with 4 forward and 1 reverse gears or a unsynchronized gear transmission with 5 forward and 1 reverse gears.
The JD 420C agricultural crawler used the John Deere engine. It is a 1.9 L, 1,851 cm2, (113.0 cu·in) two-cylinder natural aspirated gasoline engine with 108.0 mm (4.25 in) of the cylinder bore and 102.0 mm (4.02 in) of the piston stroke. The compression ratio rating is 7.2:1.
The John Deere 420C is equipped with mechanical disc clutches steering, mechanical band brakes, an open operator station and 39.7 liters (10.5 US gal.; 8.7 Imp. gal) fuel tank.
John Deere 420C Specifications
| General Specifications | |
| Model | John Deere 420C |
| Length | 2,590 mm (102 in) |
| Width | 1,520 mm (59.8 in) |
| Height (exhaust) | 1,750 mm (68.9 in) |
| Wheel base | – |
| Ground clearance | 350 mm (13.8 in) |
| Weight (shipping) | 4-roller: 1,877 kg (4,138 lbs) 5-roller: 2,131 kg (4,698 lbs) |
| Fuel tank capacity | 39.7 liters (10.5 US gal.; 8.7 Imp. gal) |
| Battery | 6V |
| Cabin type | Open operator station |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 2 |
| Fuel type | Gasoline |
| Displacement | 1.9 L, 1,851 cm2, (113.0 cu·in) |
| Bore and stroke | 108.0 mm X 102.0 mm (4.25 in X 4.02 in) |
| Compression ratio | 7.2:1 |
| Horsepower | – |
| Starter | Electric |
| Oil capacity: | 4.7 L (5 US. qt, 4.1 Imp. qt.) |
| Coolant capacity: | 10.4 L (11 US. qt, 9.2 Imp. qt.) |
| Transmission and chassis | |
| Chassis | Crawler |
| Steering type | Mechanical disc clutches |
| Brakes | Mechanical band |
| Transmission model | John Deere |
| Transmission type | Unsynchronized gear |
| Gears | 4 forward and 1 reverse |
| Speed | Forward: 8.4 kmh (5.2 mph) Reverse: 2.8 kmh (1.7 mph) |
| Transmission model | John Deere |
| Transmission type | Unsynchronized gear |
| Gears | 5 forward and 1 reverse |
| Speed | Forward: 9.3 kmh (5.8 mph) Reverse: 2.8 kmh (1.7 mph) |
| Tracks | |
| Size | 10/12/14-inch |
| Three-Point Hitch | |
| Category | I (optional) |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Rear PTO type | Live |
| Rear PTO speed | 560 rpm |
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