John Deere
8420T
Farm tractor · 2002–2005 · 284 hp
John Deere8420T
The John Deere 8420T is a farm tractor manufactured from 2002 to 2005. It features a John Deere engine, and electro-hydraulic power steering. The transmission is a full power shift type with 16 forward and 4 reverse.
Engine
| Engine | John Deere |
|---|---|
| Fuel Type | diesel |
| Cylinders | 6 |
| Cooling | liquid-cooled inline |
| Turbocharger Status | turbocharged diesel |
| Displacement | 496 ci (8.1 L) |
| Bore | 4.56 in (116 mm) |
| Stroke | 5.06 in (129 mm) |
| Compression Ratio | 16.5 |
| Power Gross | 284 hp (211.8 kW) |
| Power Net | 270 hp (201.3 kW) |
| Power PTO | 270.62 hp (201.8 kW) |
| Power Drawbar | 205.84 hp (153.5 kW) |
| Starter Volts | 12 |
| Oil Capacity | 22.7 qts (21.5 L) |
| Coolant Capacity | 35.9 qts (34 L) |
| Manufacturer | John Deere |
| Rated | 2,200 RPM |
| Idle | 900-2300 RPM |
| Oil Change Interval Hours | 250 |
Transmission
| Transmission Type | full power shift |
|---|---|
| Transmission Model | PowerShift |
| Gears | 16 forward and 4 reverse |
| Transmission Description | Fourth reverse at 1600 RPM. |
| Oil Capacity | 260 qts (246.1 L) |
| Available Options | 16-speed full power shift |
Hydraulics
| Type | closed center pressure flow compensated (PFC) |
|---|---|
| Pump Flow | 30 gpm (113.6 lpm) |
| Pressure | 2,900 psi (200 bar) |
| Valves | 5 |
| Total Flow | 33.5 gpm (126.8 lpm) |
| System Capacity | 65 gal (246 L) |
Dimensions
| Length | 207 in (525 cm) |
|---|---|
| Width | 263 cm |
| Height Cab | 122.9 in (312 cm) |
| Wheelbase | 89 in (226 cm) |
Weight
| Shipping | 25,950 lbs (11,770 kg) |
|---|---|
| Operating | 26,380 lbs (11,965 kg) |
| Ballasted | 28,795 lbs (13,061 kg) |
Tires & Tracks
| Track Width | 24 in (60 cm) |
|---|
Fuel
| Capacity | 130 gal (492.1 L) |
|---|
Steering
| Type | electro-hydraulic power |
|---|
Cab
| Cab | standard |
|---|