The John Deere 5603 is a 4WD utility tractor manufactured by John Deere in Augusta, Georgia, USA from 2007 to 2008. The John Deere 5603 is equipped with a 4.5 L (276.0 cu·in) four-cylinder diesel engine and a power shuttle transmission with 12 forward and 12 reverse gears and wet disc clutch.
The JD 5603 utility tractor used the John Deere PowerTech 4045 engine. It is a 4.5 L, 4,523 cm2, (276.0 cu·in) four-cylinder turbocharged diesel engine with 106.0 mm (4.17 in) of the cylinder bore and 127.0 mm (5.0 in) of the piston stroke. The compression ratio rating is 17.0:1. This engine produced 100.4 PS (73.8 kW; 99.0 HP) at 2,400 rpm of output power.
The John Deere 5603 is equipped with hydrostatic power steering, wet disc brakes, cab (standard), and 126.8 liters (33.5 US gal.; 27.9 Imp. gal) fuel tank.
John Deere 5603 Specifications
| General Specifications | |
| Model | John Deere 5603 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 2,170 mm (85.4 in) |
| Ground clearance | 400 mm (15.7 in) |
| Weight (operating) | 3,240 kg (7,143 lbs) |
| Fuel tank capacity | 126.8 liters (33.5 US gal.; 27.9 Imp. gal) |
| Battery | 12V, CCA 750A, Group 31 |
| Cabin type | Cab (standard) |
| Engine | |
| Engine model | John Deere PowerTech 4045 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 4.5 L, 4,523 cm2, (276.0 cu·in) |
| Bore and stroke | 106.0 mm X 127.0 mm (4.17 in X 5.0 in) |
| Compression ratio | 17.0:1 |
| Horsepower | 100.4 PS (73.8 kW; 99.0 HP) at 2,400 rpm |
| Starter | Electric |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 Imp. qt.) |
| Coolant capacity: | 11.4 L (12 US. qt, 10 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×4 MFWD 4WD |
| Steering type | Hydrostatic power |
| Brakes | Wet disc |
| Transmission model | PowrReverser |
| Transmission type | Power shuttle with wet disc clutch |
| Gears | 12 forward and 12 reverse |
| Speed | Forward: 37.4 kmh (23.2 mph) Reverse: 40.8 (25.4 mph) |
| Transmission oil capacity | 43.5 L (11.5 US. gal, 9.6 Imp. gal.) |
| Tires | |
| Front tires | Ag: 12.4-24 |
| Rear tires | Ag: 18.4-30 |
| Three-Point Hitch | |
| Category | II/I |
| Control type | – |
| Lift capacity (at 610 mm/24 in) | 1,530 kg (3,375 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540/540E, 540/1000 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Hydraulic capacity | 43.5 L (11.5 US. gal, 9.6 Imp. gal.) |
| Valves | 1 to 3 |
| Pump flow | 15.9 gpm (60.2 lpm) |
| Total flow | 22.5 gpm (85.2 lpm) |
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