john deere 8420
 | 2002 - 2005
8020 SeriesRow-Crop tractor | 2002 - 2005 | 8020 Series | Row-Crop tractor |
|---|---|---|---|---|
2002 - 2005 | ||||
8020 Series | ||||
Row-Crop tractor | ||||
2002 - 2005 | |
|---|---|
8020 Series | |
Row-Crop tractor |
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
Variants | |
|---|---|
8420 | wheeled tractor |
8420T | crawler |
John Deere 8420 Engine | |
|---|---|
John Deere 8.1L 6-cyl diesel | |
Engine details ...  |
John Deere 8420 Transmission | |
|---|---|
16-speed full power shift | |
Transmission details ...  |
John Deere 8420 Power | |
|---|---|
Engine (gross) | 284 hp
211.8 kW |
Engine (net) | 270 hp
201.3 kW |
Engine (max) | 314 hp
234.1 kW |
PTO (claimed) | 235 hp
175.2 kW |
Drawbar (tested) | 207.49 hp
154.7 kW |
PTO (tested) | 269.41 hp
200.9 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Four-wheel drive | |
Steering | hydrostatic power |
Hydraulic wet disc brakes | |
Trailer brakes | hydraulic OptOptional |
Cab standard. | |
Photos | |
|---|---|
 | |
John Deere 8420 photos...  |
Capacity | |
|---|---|
Fuel | 160 gal
605.6 L |
Hydraulic system | 37 gal
140.0 L |
ILS Hydraulic system | 39.6 gal
149.9 L |
Front hubs | 3.6 qts
3.4 L |
ILS Front hubs | 4.2 qts
4.0 L |
Front diff. | 14.2 qts
13.4 L |
Hydraulics | |
|---|---|
Type | closed center pressure-flow compensated (PFC) |
Capacity | 37 gal
140.0 L |
ILS Capacity | 39.6 gal
149.9 L |
Pressure | 2900 psi
200.0 bar |
Valves | 4 to 5 |
SCV flow | 30 gpm
113.6 lpm |
Total flow | 33.5 gpm*With standard 45cc pump
126.8 lpm |
| 42.5 gpm*Optional 57cc pump
160.9 lpm |
Tractor hitch | |
|---|---|
Rear Type | III/IIIN |
Rear lift | 15180 lbs
6885 kg |
| 17300 lbsOptOptional
7847 kg |
Front Hitch | IIIN OptOptional |
Front lift | 11000 lbs
4989 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | hydraulic wet discs |
Rear PTO Type | 1000 (1.75) |
| 540/1000 (1.375 optional) |
Engine RPM | 540@1975 |
| 1000@2200 |
Dimensions & Tires | |
|---|---|
Wheelbase | 118.9 inches
302 cm |
| 117.7 inches (ILS)
298 cm |
Weight | 21650 to 23780 pounds |
Front tire | 16.9R30 |
Rear tire | 18.4R46 |
Full dimensions and tires ...  | |
8420 Serial Numbers | |
|---|---|
Location: | Serial number plate on rear of tractor. |
2002 | 1001 |
2003 | 10001 |
2004 | 20001 |
2005 | 30001 |
FAQ: How to read a serial number table. | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 150 |
Batteries | 2 |
Battery CCA | 925 |
Battery volts | 12 |
Recommended Products
Advertisement · Featured Tractor-Related Products
Heavy Duty Pistol Grip Grease Gun Kit
🚜 Power Performance: 8000psi Max working pressure guaranteed by iron die cast head and enhanced sealing. 🚜 Ergonomic Design: Pistol grip lets you operate with one hand. Sand blasted grid surface increases friction for safety.
Transmission Oil Filter Element
Durable: Built to strict quality control standards, the Filter Element is durable and practical, featuring stable characteristics and high reliability.
Xprite 30 LED Amber Forklift Beacon Strobe Light Safety Warning Flashing Lights
★ FEATURE: This Warning Beacon Strobe Light Total of 30 High Brightness SMD 5730 LEDs with Low Polycarbonate Dome, More Clearer Vision Can Provides 360 Degrees of Coverage. Lifespan Up to 50,000 Hours. ★ PATTERN: 3 Bright Flashes With 1 Second In Between. Durable PC Lens And Better Light Quality. Low Power Consumption And Low Heat. Self-Contained LED, No External Flasher Required.
Bright LED Bulbs Cool White compatible
HQRP® 2-Pack BA15S LED Bulbs Replacement; Bulb Type: BA15S Base (Single Contact); Working Voltage:12-24V DC; Lumen: 250-300; Way brighter than regular lights;
* This page contains affiliate links, purchases may generate revenue for this site