The John Deere 8400T is an agricultural crawler from the 8000/8000T series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1997 to 1999. The John Deere 8400T is equipped with a 8.1 L (496.0 cu·in) six-cylinder diesel engine and a full power shift transmission with 16 forward and 4 reverse gears.
The John Deere 8400T agricultural crawler used the John Deere engine. It is a 8.1 L, 8,128 cm2, (496.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 129.0 mm (5.08 in) of the piston stroke. The compression ratio rating is 16.5:1. This engine produced 228.2 PS (167.8 kW; 225 HP) at 2,200 rpm of output power.
The John Deere 8400T is equipped with hydrostatic power steering, hydraulic wet disc brakes, CommandView Cab (standard), and 492.1 liters (130 US gal.; 108.2 Imp. gal) fuel tank.
John Deere 8400T Specifications
| General Specifications | |
| Model | John Deere 8400T |
| Length | 5,250 mm (206.7 in) |
| Width | 2,630 mm (103.5 in) |
| Height | 3,120 mm (122.8 in) |
| Wheel base | 2,260 mm (89 in) |
| Ground clearance | Drawbar: 440 mm (17.3 in) Rear axle: 550 mm (21.7 in) |
| Weight (operating) | 11,340 kg (25,000 lbs) |
| Fuel tank capacity | 492.1 liters (130 US gal.; 108.2 Imp. gal) |
| Battery | Two 12V, CCA 925A |
| Cabin type | CommandView Cab (standard) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 8.1 L, 8,128 cm2, (496.0 cu·in) |
| Bore and stroke | 116.0 mm X 129.0 mm (4.57 in X 5.08 in) |
| Compression ratio | 16.5:1 |
| Horsepower | 228.2 PS (167.8 kW; 225 HP) at 2,200 rpm |
| Starter | Electric |
| Oil capacity: | 21.5 L (22.7 US. qt, 18.9 Imp. qt.) |
| Coolant capacity: | 34.0 L (35.9 US. qt, 29.9 Imp. qt.) |
| Transmission and chassis | |
| Chassis | Crawler |
| Steering type | Hydrostatic power |
| Brakes | Hydraulic wet disc |
| Transmission model | |
| Transmission type | Full power shift |
| Gears | 16 forward and 4 reverse |
| Speed | Forward: 30.2 kmh (18.8 mph) Reverse: 9.2 kmh (5.7 mph) |
| Transmission oil capacity | 246.1 L (65 US. gal, 54.1 Imp. gal.) |
| Tracks | |
| Size | 16-inch |
| Optional | 24, 30-inch |
| Three-Point Hitch | |
| Category | III/IIIN |
| Control type | – |
| Lift capacity | 7,098 kg (15,650 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 1000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center pressure-flow compensated (PFC) |
| Hydraulic capacity | 246.0 L (65 US. gal, 54.1 Imp. gal.) |
| Pressure | 2900 psi (199.9 bar) |
| Valves | 3 to 5 |
| Pump flow | 30.0 gpm (113.6 lpm) 38.0 gpm (143.8 lpm) |
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