John Deere industrial tractors
John Deere 420 Crawler Loader
The John Deere 420 Crawler Loader is a crawler loader manufactured by John Deere in Dubuque, Iowa, USA, produced from 1957 to 1958. It features a 1.9L 2-cylinder gasoline engine producing 33.0 hp, with multiple transmission options including 4-speed gear, 5-speed gear, and 5-speed mechanical shuttle. The tractor has a crawler drive with contracting band brakes and an open operator station. Its hydraulics system is open center with 1250 psi pressure and 23 gpm pump flow. The 420 Crawler Loader weighs 8945 lbs and has dimensions of 163 inches in length and 70 inches in height. It offers various track configurations and front-end loader attachments with significant lift and breakout capacities.
Power-
Founded-
Model420 Crawler Loader
Technical Specifications
Detailed specifications and technical data for John Deere 420 Crawler Loader
Power
| Belt (claimed) | 29.7 hp (22.1 kW) |
|---|
Engine
| Type | John Deere 1.9L 2-cyl gasoline |
|---|---|
| Starter | electric |
| Fuel tank | 10.5 gal (39.7 L) |
| Rated RPM | 1850 |
| Bore/Stroke | 4.25x4.00 inches (108 x 102 mm) |
| Displacement | 113 ci (1.9 L) |
| Starter volts | 6 |
Tracks
| Width options | 10 inches (25 cm), 14 inches (35 cm) |
|---|---|
| 4-roller width | 12 inches (30 cm) |
| 5-roller width | 12 inches (30 cm) |
| 4-roller area on ground | 1344 in² (0.9 m²) |
| 5-roller area on ground | 1593 in² (1.0 m²) |
| 4-roller length on ground | 56 inches (142 cm) |
| 5-roller length on ground | 66.375 inches (168 cm) |
Overview
| Power | 33.0 hp |
|---|---|
| Built in | Dubuque, Iowa, USA |
| Category | Crawler Loader |
| Production years | 1957 - 1958 |
Dimensions
| Height | 70 inches (177 cm) |
|---|---|
| Length | 163 inches (414 cm) |
| Weight | 8945 lbs (4057 kg) |
Electrical
| Ground | positive |
|---|---|
| Battery volts | 6 |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 1250 psi (86.2 bar) |
| Pump flow | 23 gpm (87.1 lpm) |
Mechanical
| Drive | crawler |
|---|---|
| Brakes | Contracting band brakes |
| Operator station | Open operator station |
Attachments
| Boom rod | 1.5 inches (3 cm) |
|---|---|
| Bucket rod | 2 inches (5 cm) |
| Dump angle | 55° |
| Boom cylinder | 3.5 inches (8 cm) |
| Lift capacity | 2700 lbs (1224 kg) full at pin |
| Breakout force | 4500 lbs (2041 kg) |
| Reach (dumped) | 34 inches (86 cm) |
| Bucket cylinder | 3.5 inches (8 cm) |
| Height (at pin) | 126 inches (320 cm) |
| Front-end loader | 90 Loader |
| Clearance (dumped) | 95 inches (241 cm) |
| Bucket width options | 42 inches (106 cm), 60 inches (152 cm) |
Transmission
| Transmission | Direction Reverse |
|---|---|
| Type (4-speed) | gear |
| Type (5-speed) | gear |
| Gears (4-speed) | 4 forward and 1 reverse |
| Gears (5-speed) | 5 forward and 1 reverse |
| Transmission options | 4-speed gear, 5-speed gear, 5-speed mechanical shuttle |
| Type (mechanical shuttle) | mechanical shuttle |
| Gears (mechanical shuttle) | 5 forward and reverse |
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