Power
Power specifications| Engine | no record |
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| PTO | 225 hp claimed |
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| PTO, tested | 255.2 hp |
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| Drawbar | 195.8 hp tested |
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| Listed power | 250 hp PTO basis |
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Engines
Engines fitted to the John Deere 8400T| John Deere 8.1L 6-cyl | 496 ci |
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Engine details
- John Deere 8.1L 6-cyl
- Bore × stroke
- 4.56 in × 5.06 in
- Rated speed
- 2,200 rpm
- Compression
- 16.5:1
- Cooling
- liquid-cooled
Transmissions
Transmissions for the John Deere 8400T| 16-speed full powershiftfull powershift | 16F / 4R |
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Weight
Weight specifications| Weight | 25,000 lb operating |
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| Ballasted | 27,330 lb |
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Dimensions
Dimensions specifications| Wheelbase | 89 in |
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| Length | 207 in |
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| Width | 103.7 in |
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| Ground clearance | 17.7 in |
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Capacities
Capacities specifications| Fuel tank | 130 gal |
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| Hydraulic system | 65 gal |
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Hydraulics
Hydraulics specifications| System | pressure/flow compensated (PFC) |
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| Pump flow | 30 gpm |
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| Pressure | 2,900 psi |
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| Remote valves | 3 to 5 |
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Hitch
Hitch specifications| Rear hitch category | III/IIIN |
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| Rear lift capacity | 15,650 lb |
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PTO
PTO specifications| Rear PTO | independent |
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| Rear PTO speeds | 1000 |
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Chassis
Chassis specifications| Drive | tracks |
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| Steering | hydrostatic power |
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| Brakes | Hydraulic wet disc brakes |
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| Cab | CommandView Cab standard |
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Tracks
Tracks specifications| Track width | 16 in |
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Electrical
Electrical specifications| System voltage | 12 V |
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| Batteries | 2 |
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| Charging | alternator |
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| Charging output | 140 A |
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| Ground | negative |
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Production
Production specifications| Factories | Waterloo, Iowa, USA |
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| Built by | John Deere |
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