Production | |
| Manufacturer: | John Deere |
| Type: | Utility tractor |
| Factory: | Saltillo, Mexico |
| Original price: | $30,942 (2004 2WD ) |
John Deere 6403 Power | |
| Engine: | 102 hp 76.1 kW |
| PTO (claimed): | 85 hp 63.4 kW |
| Drawbar (tested): | 72.87 hp 54.3 kW |
| PTO (tested): | 89.43 hp 66.7 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| 4x4 MFWD 4WD | |
| Final drives: | inboard planetary |
| Differential lock: | mechanical rear |
| Steering: | power |
| Brakes: | mechanical wet disc |
| Cab: | Two-post folding ROPS. ComfortVantage Cab optional. |
| Transmission: | 9-speed partially synchronized |
Hydraulics | |
| Type: | open center |
| Pressure: | 2750 psi 189.6 bar |
| Rear valves: | 2 or 3 |
| Pump flow: | 12.1 gpm 45.8 lpm |
| Total flow: | 15 gpm 56.8 lpm |
Tractor hitch | |
| Rear Type: | II |
| Control: | mechanical lower-link draft sensing |
| Rear lift (at 24"/610mm): | 4828 lbs 2189 kg |
Power Take-off (PTO) | |
| Rear PTO: | independent |
| Clutch: | dry disc |
| Rear RPM: | 540/1000 |
| Engine RPM: | 540@2100 1000@2100 |
Electrical | |
| Ground: | negatve |
| Charging system: | alternator |
| Charging amps: | 65 |
| Battery CCA: | 925 |
| Battery volts: | 12 |
Engine Detail | |
| John Deere | |
| turbocharged diesel | |
| 4-cylinder | |
| liquid-cooled | |
| Displacement: | 276 ci 4.5 L |
| Bore/Stroke: | 4.19x5.00 inches 106 x 127 mm |
| Power: | 102 hp 76.1 kW |
| Compression: | 17:1 |
| Rated RPM: | 2100 |
| Firing order: | 1-3-4-2 |
| Starter volts: | 12 |
| Oil capacity: | 13 qts 12.3 L |
| Coolant capacity: | 14.3 qts 13.5 L |
Transmission | |
| Transmission: | Top Shaft Synchronized (TSS) |
| Type: | partially synchronized |
| Gears: | 9 forward and 3 reverse |
| Clutch: | 305mm cerametalic dry disc |
| Three gears (1-3), plus reverse, (R) in three ranges (A-C). Gear shifts are synchronized. Tractor must be stopped to shift range. | |
Dimensions | |
| 2WD Wheelbase: | 91.3 inches 231 cm |
| 4WD Wheelbase: | 90.9 inches 230 cm |
| 2WD Length: | 162.4 inches 412 cm |
| 4WD Length: | 163.1 inches 414 cm |
| Width: | 73 inches 185 cm (rear fenders) |
| Rear axle: | Flanged: 65.8 inch length 1671 mm |
| 2WD Front tread: | 58.7 to 80.4 inches 149 to 204 cm |
| 4WD Front tread: | 59.7 to 79.4 inches 151 to 201 cm |
| Rear tread: | 59.5 to 79.4 inches 151 to 201 cm |