john deere 8420t
![]() | 2002 - 2005
8020 SeriesAgricultural Crawler tractor | 2002 - 2005 | 8020 Series | Agricultural Crawler tractor |
|---|---|---|---|---|
2002 - 2005 | ||||
8020 Series | ||||
Agricultural Crawler tractor | ||||
2002 - 2005 | |
|---|---|
8020 Series | |
Agricultural Crawler tractor |
Production | |
|---|---|
Manufacturer | John Deere |
Agricultural Crawler tractor | |
Built in Waterloo, Iowa, USA | |
Variants | |
|---|---|
8420 | wheeled tractor |
8420T | crawler |
John Deere 8420T Engine | |
|---|---|
John Deere 8.1L 6-cyl diesel | |
Engine details ... |
John Deere 8420T Transmission | |
|---|---|
16-speed full power shift | |
Transmission details ... |
John Deere 8420T 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) | 205.84 hp
153.5 kW |
PTO (tested) | 270.62 hp
201.8 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Drive | crawler |
Steering | electro-hydraulic power |
Hydraulic wet disc brakes | |
Cab standard. | |
Capacity | |
|---|---|
Fuel | 130 gal
492.1 L |
Hydraulic system | 65 gal
246.0 L |
Hydraulics | |
|---|---|
Type | closed center pressure flow compensated (PFC) |
Capacity | 65 gal
246.0 L |
Pressure | 2900 psi
200.0 bar |
Valves | 5 |
Pump flow | 30 gpm
113.6 lpm |
Total flow | 33.5 gpm
126.8 lpm |
| 42.5 gpm (optional)
160.9 lpm |
Tractor hitch | |
|---|---|
Rear Type | III/IIIN |
Rear lift | 15,180 lbs
6885 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 (1-3/4) |
Dimensions & Tracks | |
|---|---|
Wheelbase | 89 inches
226 cm |
| 120 inches (wide track opt)
304 cm |
Weight | 25950 to 26380 pounds |
24-inch tracks | |
Full dimensions and tracks ... | |
8420T Serial Numbers | |
|---|---|
Location: | Rear of tractor |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 150 |
Batteries | 2 |
Battery CCA | 925 |
Battery volts | 12 |
References | |
|---|---|
![]() | |
8020T/9020T Series published in 2003, by John Deere |
Recommended Products
Advertisement · Featured Tractor-Related Products

Hot Pick
Tractor
John Deere 1:16 Big Farm Tractor Model
4.5/5 (128)
Detailed scale model with authentic features, perfect for collectors and enthusiasts
john-deeremodel+2
Check Price
Link to amzn.to

Hot PickOn Sale
Accessories
Hy-Gard Transmission & Hydraulic Oil
5.0/5 (15)
Genuine OEM Part Number: TY22000 An exclusive formulation, specifically designed to protect John Deere transmissions, final drives, and hydraulic systems.
Check Price
Link to amzn.to

Hot PickOn Sale
Parts
Bright LED Bulbs Cool White compatible
5.0/5 (78)
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;
lights
Check Price
Link to amzn.to

Hot PickOn Sale
Parts
JZGRDN Left Warning Lamp
5.0/5 (13)
art Name: Left Warning Lamp Part Number: LVA11213 Compatible with John Deere 4010 4110 4115 Tractors Condition: New&Easy Installation Package Includes: Left Warning Lamp*1
Warning Lamp
Check Price
Link to amzn.to
* This page contains affiliate links, purchases may generate revenue for this site

