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Kubota L235 Maintenance

The Kubota L235 is a 2WD or 4WD compact utility tractor. This model was manufactured from 1981 to 1985. The Kubota L235 is equipped with a 68 cu.in (1.1 L) Kubota D1102-A vertical 4-cycle 3-cylinder diesel engine rated at 23.5 hp (17.6 kW).

The gear transmission consists of a dry clutch and gearbox with eight forward and seven reverse gears. The maximum forward speed - 12.1 mph (19.5 km/h), max. reverse speed - 8.1 mph (13 km/h). The open center hydraulic system used a gear pump with a rated fluid flow of 6.2 gal/min (23.5 l/min).

The main relief pressure is 2250 psi (155 bar). The Kubota L235 was equipped with a manual or power assist steering system, wet disc brakes, 4.00x15 (2WD) or 9.5x24 (4WD) front tires, and 25x8.50-14 (2WD) or 16.3-16 (4WD) rear tires. The wheelbase is 66.5 inches (1680 mm) for L235 models with 2WD and 64.6 inches (1640 mm) for L235DT models with 4WD.

Refill Capacities
Engine oil capacity, gal (L) 1.4 (6.1)
Engine coolant capacity, gal (L) 1.8 (6.6)
Hydraulic/transmission fluid capacity, gal (L) 6.3 (24.0)
Front axle oil capacity, qts (L) 2.8 (2.6)
Steering oil capacity, qts (L) 0.32 (0.30)

Recommended Oil and Fluid
Engine oil type SAE 30, SAE 10W, 10W-30, 10W-40. API Service category CC, CD
Engine coolant type Kubota Antifreeze/Coolant
Hydraulic/transmission fluid type Kubota UDT Fluid
Front axle oil type SAE 80, 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
Change engine oil Every 75 hours
Clean engine air filter element Every 100 hours
Clean engine fuel filter Every 100 hours
Check battery and clean terminals Every 100 hours
Replace engine oil filter Every 150 hours
Check steering oil level Every 150 hours
Inspect and adjust fan belt Every 200 hours
Adjust parking and service brakes Every 200 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
Change engine fuel filter element Every 400 hours
Clean radiator fins Every 400 hours
Replace engine air filter element Every 600 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 HH164-32430, 70000-74035
Engine fuel filter part number 15521-43160 (Element)
Engine fuel filter gasket part number 04811-50650 and 04816-00160
Engine air filter part number 70000-11221, 15222-11222
Hydraulic/transmission oil filter part number H3840-37712
Drive belt part number 15401-97010



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