| Manufacturer | John Deere |
| Price | - |
| Model | 5603 |
| Equipment Type | Utility Tractors |
| Factory | Montenegro, Brazil |
JOHN DEERE 5603 POWER
| Engine | 75hp / 55.9kW |
| PTO (claimed) | 65hp / 48.5kW |
ENGINE DETAIL
The John Deere 5603 tractor is equipped with a robust 4045D diesel engine featuring a displacement of 4.5L and delivering 75hp at a rated RPM of 2400. With a peak torque of 195 lb-ft available at 1600 RPM, this tractor excels in heavy-duty tasks, particularly in agricultural settings that require significant pulling power. The engine's efficient cooling and oil capacities (11.4 quarts for coolant and 12.7 quarts for oil) support prolonged operation in demanding environments, though regular maintenance is crucial to prevent performance degradation.
| Description | John Deere 4045D diesel 4-cylinder liquid-cooled |
| Displacement | 276ci / 4.5L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Power | 75hp / 55.9kW |
| Compression | 17.6:1 |
| Rated RPM | 2400 |
| Torque | 195lb-ft / 264.4Nm |
| Torque RPM | 1600 |
| Starter volts | 12 |
| Oil capacity | 12.7qts / 12.0L |
| Coolant capacity | 11.4qts / 10.8L |
JOHN DEERE 5603 ENGINE
The John Deere 5603 features a robust 4.5L 4-cylinder diesel engine, delivering efficient power suitable for various agricultural tasks. Advantages include excellent fuel efficiency and low emissions, which enhance sustainability but may present challenges in parts availability compared to larger models. Suitable for medium-duty applications, it performs well in small to medium farm operations, optimizing productivity while minimizing operating costs.
| Description | John Deere 4.5L 4-cyl diesel |
TRANSMISSION
The John Deere 5603 features an unsynchronized transmission with 9 forward and 3 reverse gears, facilitating varied speed control, but shifts require the tractor to be stationary. The 280mm dry disc clutch is robust but may lead to operator fatigue during prolonged use. With a significant oil capacity of 42.3 quarts, it supports extended operation, although regular maintenance is crucial to prevent gear wear and ensure optimal performance under load.
| Type | unsynchronized gear |
| Gears | 9 forward and 3 reverse |
| Clutch | dry 280mm disc |
| Oil capacity | 42.3qts / 40.0L |
| Description | Three gears (1-3) in three ranges (A-C) plus reverse range. Tractor must be stopped, and clutch used, before shifting range or gear |
SPEEDS
| Description | With 18.4-30 R1 rear tires |
MECHANICAL
The John Deere 5603 tractor features a versatile 4x2 and 4x4 MFWD configuration, providing adaptability for various terrain conditions. Its wet disc brakes enhance safety and consistency during operation, though users may find maintenance more complex compared to dry brakes. The 9-speed unsynchronized transmission allows for robust performance; however, operators may face challenges in smooth gear shifts, especially under load.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power |
| Brakes | wet disc |
| Transmission | 9-speed unsynchronized gear |
CAPACITY
| Fuel | 18gal / 68.1L |
| Hydraulic system | 10.6gal / 40.1L |
| Front hubs | 0.85qts / 0.8L (Dana) 0.8qts / 0.8L (ZF) |
| Front diff. | 5.3qts / 5.0L (Dana) 4.2qts / 4.0L (ZF) |
HYDRAULICS
| Type | open center |
| Capacity | 10.6gal / 40.1L |
| Pressure | 2750psi / 189.6bar |
| Valves | 0 to 2 |
| Total flow | 10.6gpm / 40.1lpm |
| Steering flow | 6.8gpm / 25.7lpm |
TRACTOR HITCH
| Rear Type | II |
| Rear lift (at ends) | 5886lbs / 2669kg |
| Rear lift (at 24 | 3968lbs / 1799kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/540E |
| Engine RPM | 540@2400 / 540E@1700 |
JOHN DEERE 5603 TIRES
The John Deere 5603 tractor offers a range of tire options that enhance its versatility for various agricultural applications; choosing the appropriate combination can optimize traction and load capacity, particularly between the two-wheel drive (2WD) and four-wheel drive (4WD) configurations. The standard tire sizes provide stability and performance in typical field conditions, while optional larger tires, such as 18.4-30, can improve flotation and reduce soil compaction during heavier loads or wetter conditions. However, larger tires may lead to increased fuel consumption and higher initial costs, so it's essential to assess your specific operational needs before selection.
| Standard tires (ag) | Front: 7.50-16. Rear: 16.9-30 (2WD) Front: 12.4-24. Rear: 16.9-30 (4WD) |
| Optional tires (ag) | Front: 7.50-16. Rear: 13.6-38 (2WD) Front: 7.50-18. Rear: 18.4-30 (2WD) Front: 7.50-16. Rear: 18.4-30 (2WD) Front: 7.50-16. Rear: 14.9-24 (2WD) Front: 12.4-24. Rear: 13.6-38 (4WD) Front: 14.9-24. Rear: 23.1-26 (4WD) Front: 12.4-24. Rear: 18.4-30 (4WD) Front: 8.3-24. Rear: 14.9-24 (4WD) Front: 9.5-24. Rear: 14.9-28 (4WD) |
DIMENSIONS
| Wheelbase | 85.7inches / 217cm |
| Length | 151.6inches / 385cm |
| Height | 78.7inches / 199cm |
| Shiping weight | 5269lbs / 2390kg |
| Max weight | 9921lbs / 4500kg |
| 2WD Front tread | 56.7 to 78.7inches / 144to 199cm |
| 4WD Front tread | 45.7 to 77.4inches / 116to 196cm |
| Rear tread | 55.1 to 70.9inches / 139to 180cm |
DIMENSIONS & TIRES
The John Deere 5603, with an 85.7-inch wheelbase and a weight of 5,269 lbs, provides stability for moderate to heavy-duty agricultural tasks. Its 2WD configuration paired with rear tires sized 16.9-30 offers good traction on well-maintained fields; however, it may struggle with mobility on uneven terrain or slippery conditions compared to 4WD models. The front tires, sized 7.50-16, ensure decent steering control but might limit load-carrying capabilities, making it essential to match the tractor’s use-case to its specifications for optimal performance.
| Wheelbase | 85.7inches / 217cm |
| Weight | 5269lbs / 2390kg |
| Front tire | 7.50-16 |
| Rear tire | 16.9-30 (2WD) |
5603 SERIAL NUMBERS
| Location | Serial plate on the front-left tractor frame, above the front axle |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 40 |
| Battery CCA | 700 |
| Battery volts | 12 |