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Kubota M4500 Maintenance

The Kubota M4500 is a 2-wheel drive or 4-wheel drive utility tractor. This model was manufactured between 1978 and 1985. The tractor was designed in 2 versions: M4500DT (4WD) and M4500-OC (Orchard).

The Kubota M4500 is equipped with a 158.6 cubic inches (2.6L) Kubota S2600 4-stroke 6-cylinder liquid-cooled diesel engine. The engine has a cylinder bore of 3.23" (82 mm), piston stroke of 3.23" (82 mm), and maximum power of 55.5 hp (41.4 kW). The transmission consists of a dry clutch and partially synchronized gearbox with 16 forward and 4 reverse gears.

The maximum forward speed - 15.8 mph (25.4 km/h), max. reverse speed - 7.4 mph (11.9 km/h). The open center hydraulic system used a gear pump with rated capacity of 7.3 gpm (27.6 lpm). The hydraulic pressure is 171.5 bar (2485 psi). The Kubota M4500 was equipped with a power assist steering system, differential mechanical wet disc brakes, 6.00-16 (2WD) or 8.30-20 (4WD) front tires, and 14.9-28 rear tires. The wheelbase is 78.2 in (1980 mm).

Refill Capacities
Engine oil capacity, gal (L) 3.4 (12.7)
Engine coolant capacity, gal (L) 2.2 (8.4)
Hydraulic/transmission fluid capacity, gal (L) 11.9 (45.0)
Front axle oil capacity, gal (L) 2.1 (7.8)

Recommended Oil and Fluid
Engine oil type SAE 20W, SAE 30W, SAE 10W-30. API Service category CC, CD
Engine coolant type Kubota Antifreeze/Coolant
Hydraulic/transmission fluid type Kubota UDT or Kubota Super UDT Fluid
Front axle oil type Kubota UDT, SAE 80, SAE 80W-90 Gear Oil

Service Intervals
Check hydraulic/transmission fluid level Every 50 hours
Check front axle oil level Every 50 hours
Lubricate axle hub bearings Every 50 hours
Change engine oil Every 150 hours
Replace engine oil filter Every 150 hours
Adjust toe-in Every 150 hours
Check battery and clean terminals Every 150 hours
Adjust parking and service brakes Every 150 hours
Clean engine air filter element Every 200 hours
Inspect and adjust fan belt Every 200 hours
Replace/clean hydraulic oil filter Every 200 hours
Check and adjust engine idling Every 200 hours
Replace engine fuel filter Every 400 hours
Change power steering oil Every 400 hours
Change hydraulic/transmission fluid Every 600 hours
Change front axle oil Every 600 hours
Check and adjust valve clearance Every 800 hours
Replace engine air filter elements Every 1000 hours
Check fuel injection nozzles Every 1000 hours
Flush cooling system and add new coolant Every 1000 hours

Replacement Parts
Engine oil filter part number 15402-32430
Engine fuel filter part number 15601-43170, 13251-41060 (Element)
Engine air filter part number 15606-11080, 15000-37110
Hydraulic oil filter part number 36200-82630
Hydraulic oi filter gasket part number 36200-82650
Drive belt part number 15606-97012



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