- Crawler
- WhichTractor size: Standard-size
- No lab test on file
- 2002–2005
It sits on the standard-size/high-power boundary, so either size is a fair description. It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
John Deere 8420T specs: hp, weight, years
John Deere-PowerTech 6.081 HRW-36 six-cylinder diesel. The manufacturer claimed 266.5 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
266.5 hp
198.7 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “John Deere 8420T”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 26,378 lb
- 3-point lift
- 16,535 lb
- Hyd. flow
- 34.7 gpm
- Top speed
- 18.6 mph
John Deere 8420T specs: key facts
The John Deere 8420T was built from 2002 to 2005.
The John Deere 8420T has a claimed engine power (gross or net not stated) of 198.7 kW (266.5 hp); it has no measured PTO figure.
The John Deere 8420T is a tracked machine.
The John Deere 8420T has a John Deere-PowerTech 6.081 HRW-36 engine, a 6-cylinder 8.13 L diesel unit.
The John Deere 8420T weighs 11,965 kg (26,378 lb) unladen.
The John Deere 8420T has an independent rear PTO running at 1000 rpm.
The three-point hitch of the John Deere 8420T lifts 7,500 kg (16,535 lb) at the lower-link ends.
The hydraulic pump of the John Deere 8420T delivers 131.4 L/min (34.7 gpm).
Source · Traktorenlexikon, “John Deere 8420T”
How does the 8420T compare with its class?
- Limitation:
The power figure is a manufacturer claim, not a measurement. No laboratory test report exists for this machine. Of the 59 tractors within 10% of its power, 29% carry one.
Derived by WhichTractor from 59 comparable records. How we work this out
How much horsepower does an 8420T have?
The only figure for the 8420T is 266.5 hp (198.7 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “John Deere 8420T”
What engine is in an 8420T?
An 8420T has a John Deere-PowerTech 6.081 HRW-36, a 6-cylinder 8.13 L diesel engine.
| Make & model | John Deere-PowerTech 6.081 HRW-36 |
|---|---|
| Cylinders | 6, liquid-cooled |
| Displacement | 496.4 ci · 8.13 L |
| Max torque | 888 lb·ft · 1,204 N·m @ 1,200 rpm |
| Electrical system | 12 V |
Source · Traktorenlexikon, “John Deere 8420T”
How much will an 8420T lift, and what is its hydraulic flow?
An 8420T lifts 16,535 lb (7,500 kg) at the lower-link ends.
| System | Load sensing |
|---|---|
| Pump flow | 34.7 gpm · 131.4 L/min |
| Lift at ends | 16,535 lb · 7,500 kg |
| Rear PTO | Independent, engine-driven, 1000 rpmEngages under load |
| PTO shaft | 1 3/4"- 20 splines |
Source · Traktorenlexikon, “John Deere 8420T”
What transmission does an 8420T have?
Transmission specifications for the 8420T are below.
| Clutch | Pedal-operated, hydraulic wet John Deere multi-disc clutch |
|---|---|
| Top speed | 18.6 mph · 30 km/h |
Source · Traktorenlexikon, “John Deere 8420T”
How much does an 8420T weigh?
An 8420T weighs 26,378 lb (11,965 kg) unladen.
| Unladen weight | 26,378 lb · 11,965 kg |
|---|---|
| Maximum permissible mass | 31,526 lb · 14,300 kg |
| Wheelbase | 89.0 in · 2,260 mm |
| Length | 217.7 in · 5,530 mm |
| Width | 103.7–144.0 in · 2,634–3,657 mm |
| Height | 122.9 in · 3,122 mm |
| Ground clearance | 13.8 in · 350 mm |
| Front track | 88.0–119.5 in · 2,235–3,035 mmWikibooks gives one track for both axles |
| Rear track | 88.0–119.5 in · 2,235–3,035 mmWikibooks gives one track for both axles |
Source · Traktorenlexikon, “John Deere 8420T”
What oil does an 8420T take, and how much?
An 8420T engine takes 26.4 qt (25.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 26.4 qt · 25.0 LSource: Traktorenlexikon, “John Deere 8420T” · single source, not independently verified |
| Hydraulic | 259.9 qt · 246.0 LSource: Traktorenlexikon, “John Deere 8420T” · single source, not independently verified |
| Cooling system | 35.9 qt · 34.0 LSource: Traktorenlexikon, “John Deere 8420T” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Common questions about the John Deere 8420T
Is an 8420T two-wheel drive or four-wheel drive?
The John Deere 8420T is a tracked machine.
What PTO does an 8420T have?
An 8420T has a independent 1000 rpm rear PTO on a 1 3/4"- 20 splines shaft.
Sources and how this page was built
Compiled from Traktorenlexikon, “John Deere 8420T”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: John Deere 8420T — CC BY-SA 4.0, WIKIBOOKS-TL-106553 · revision 880864. Wikibooks contributors (Traktorenlexikon). Original document