John Deere
420
Lawn tractor · 1983–1991 · 20 hp
John Deere420
The John Deere 420 is a lawn tractor manufactured from 1983 to 1991. It features a Onan B48G engine, and power steering. The transmission is a shaft-driven hydrostatic type with infinite forward and reverse (2-range).
Engine
| Engine | Onan B48G |
|---|---|
| Fuel Type | gasoline |
| Cylinders | 2 |
| Cooling | air-cooled horizontal-shaft opposed-twin |
| Displacement | 47.7 ci (781 cc) |
| Bore | 3.25 in (83 mm) |
| Stroke | 2.88 in (73 mm) |
| Compression Ratio | 7 |
| Power Gross | 20 hp (14.9 kW) |
| Air Cleaner | foam and paper |
| Starter Volts | 12 |
| Oil Capacity | 1.75 qts (1.7 L) |
| Manufacturer | Onan |
| Rated | 3,500 RPM |
| Idle | 1000-3450 RPM |
Transmission
| Transmission Type | shaft-driven hydrostatic |
|---|---|
| Transmission Model | Sundstrand Series 15 Model 90 |
| Gears | infinite forward and reverse (2-range) |
| Oil Capacity | 7.5 qts (7.1 L) |
| Oil Type | JD Hy-Gard |
PTO
| Rear Type | independent |
|---|---|
| Front Type | pulley |
| Clutch | electric |
Hitch
| Rear Type | 0 optional |
|---|---|
| Rear Lift | 640 lbs (290 kg) |
| Hitch Control | directional control |
Dimensions
| Length | 77 in (195 cm) |
|---|---|
| Width | 51.5 in (130 cm) |
| Height | 47.5 in (120 cm) |
| Wheelbase | 52 in (132 cm) |
| Front Tread | 36 in (91 cm) |
| Rear Tread | 32 in (81 cm) |
Weight
| Weight | 993 lbs (450 kg) |
|---|---|
| Shipping | 993 lbs (450 kg) |
Tires & Tracks
| Front Ag | 4.80x4.00-8 |
|---|---|
| Rear Ag | 23x10.50-12 |
Fuel
| Capacity | 6.5 gal (24.6 L) |
|---|
Steering
| Type | power |
|---|