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Kubota L185 Maintenance

The Kubota L185 is a 2WD or 4WD (L185DT) compact utility tractor. This model was manufactured from 1977 to 1982. The Kubota L185 tractor is equipped with a 45.3 cubic inches Kubota Z751 two-cylinder liquid cooled diesel.

The engine has a cylinder bore of 3.0" (76 mm), piston stroke of 3.22" (82 mm), and rated power of 15 hp (11.2 kW). The sliding gear transmission consists of a dry clutch and gearbox with 8 forward and 2 reverse gears. Max. forward speed - 13.1 mph (21 kph), max. reverse speed - 9 mph (14.5 kph). The open center hydraulic system includes a gear pump with a flow of 6.2 gal/min (23.5 l/min).

The main relief pressure is 147 bar (2130 psi). The 2-wheel drive models are equipped with 4.00x15 front tires and 9.5x24 rear tires. The 6.00x14 front tires and 9.5x24 rear tires are used for tractors with 2-wheel drive (L185DT). The wheelbase is 60 inches (1520 mm). The Kubota L185 tractor is compatible with a Kubota L1200 front end loader.

Refill Capacities
Engine oil capacity, gal (L) 1.0 (3.8)
Engine coolant capacity, gal (L) 1.4 (5.3)
Hydraulic/transmission fluid capacity (2WD), gal (L) 5.8 (22.0)
Hydraulic/transmission fluid capacity (4WD), gal (L) 6.1 (23.0)
Front axle oil capacity, qts (L) 2.0 (1.9)
Steering oil capacity, qts (L) 0.32 (0.30)

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

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
Check battery and clean terminals Every 50 hours
Change engine oil Every 75 hours
Clean engine air filter element Every 100 hours
Clean engine fuel filter Every 100 hours
Inspect and adjust fan belt Every 100 hours
Replace engine oil filter Every 150 hours
Check steering oil level Every 150 hours
Replace hydraulic/transmission oil filter Every 300 hours
Change hydraulic/transmission fluid Every 300 hours
Change front axle oil Every 300 hours
Check and adjust engine idling Every 300 hours
Adjust parking and service brakes Every 300 hours
Change engine fuel filter element Every 400 hours
Clean radiator fins Every 400 hours
Replace engine air filter element Every 400 hours
Check and adjust valve clearance Every 600 hours
Flush cooling system and add new coolant Every 1000 hours

Replacement Parts
Engine oil filter part number 15213-32090
Engine fuel filter part number 15221-43080, 15221-43170 (Element)
Engine air filter part number 70000-11221, 15222-11222
Hydraulic/transmission oil filter part number 34150-37710
Hydraulic filter gasket part number 04811-10320
Drive belt part number 15221-72530



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MF 250 MF 690 MF 3060 MF 6180
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