The engine is a John Deere 4045D diesel 4-cylinder liquid-cooled with a displacement of 276ci / 4.5L and a bore/stroke of 4.19x5.00inches / 106x 127mm. It has a power output of 75hp / 55.9kW and a compression ratio of 17.6:1. The engine is rated at 2400 rpm and produces a torque of 195lb-ft / 264.4Nm at 1600 rpm. It has a starter voltage of 12 and an oil capacity of 12.7qts / 12.0L. The coolant capacity is 11.4qts / 10.8L.
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Find Suppliers & Request SamplesThe transmission is a 9-speed unsynchronized gear with three gears (1-3) in three ranges (A-C) plus reverse range. Tractor must be stopped, and clutch used, before shifting range or gear. The transmission is powered by a John Deere 4045D diesel 4-cylinder liquid-cooled engine with a power output of 75hp / 55.9kW and a compression ratio of 17.6:1. The PTO (claimed) is 65hp / 48.5kW. The transmission is unsynchronized, which means that the gears do not have to be synchronized before shifting. This makes it easier to shift gears, especially when the tractor is moving. The transmission is reliable and durable, making it suitable for heavy-duty applications.
The brakes are wet disc brakes. The John Deere 5603 tractor is equipped with a hydraulic braking system that uses oil to transfer pressure from the brake pedal to the brake pads. The brake pads are located inside the brake calipers, which are mounted on the wheels. When the brake pedal is pressed, the oil pressure increases, causing the brake pads to clamp down on the brake rotor, which slows down the tractor. The John Deere 4045D diesel 4-cylinder liquid-cooled engine powers the hydraulic system. The engine has a power output of 75hp / 55.9kW and a compression ratio of 17.6:1. The brakes are reliable and provide excellent stopping power, making them suitable for heavy-duty applications.
The steering is power steering. The John Deere 5603 tractor is equipped with a hydraulic power steering system that uses oil to transfer pressure from the steering wheel to the steering mechanism. The steering mechanism is connected to the front wheels, allowing the operator to turn the wheels left or right. The John Deere 4.5L 4-cyl diesel engine powers the hydraulic system. The engine has a power output of 75hp / 55.9kW and a compression ratio of 17.6:1. The power steering system makes it easier to steer the tractor, especially when it is moving at low speeds or when the operator is turning the wheels.
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Find Suppliers & Request SamplesUsers have reported issues with the clutch, which can wear out quickly if not properly maintained. The hydraulic system can also develop leaks if the hoses are not properly tightened. The brakes can also wear out quickly if the tractor is used for heavy-duty applications. The transmission can also develop problems if it is not properly maintained. Finally, the engine can overheat if it is not properly cooled.
Users like the John Deere 5603 tractor because of its reliability and durability. The tractor is also easy to operate, with intuitive controls and a comfortable operator station. The tractor is also versatile, with a range of attachments available for different applications. Users also appreciate the tractor's fuel efficiency, which helps to reduce operating costs. Finally, users like the tractor's low maintenance requirements, which helps to reduce downtime and repair costs.
Power | |
Engine | 75hp / 55.9kW |
Pto (claimed) | 65hp / 48.5kW |
Engine Detail | |
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 |
Engine | |
Description | John Deere 4.5L 4-cyl diesel |
Transmission | |
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 |
Mechanical | |
Chassis | 4x2 2WD/4x4 MFWD 4WD |
Steering | power |
Brakes | wet disc |
Transmission | 9-speed unsynchronized gear |
Tires | |
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 And Tires | |
Wheelbase | 85.7inches / 217cm |
Weight | 5269lbs / 2390kg |
Front Tire | 7.50-16 |
Rear Tire | 16.9-30 (2WD) |
Serial Numbers | |
Location | Serial plate on the front-left tractor frame, above the front axle |
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 |
Electrical | |
Ground | negative |
Charging System | alternator |
Charging Amps | 40 |
Battery Cca | 700 |
Battery Volts | 12 |
Speeds | |
Description | With 18.4-30 R1 rear tires |
Power Take Off Pto | |
Rear Pto | independent |
Rear Rpm | 540/540E |
Engine Rpm | 540@2400 / 540E@1700 |