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Kubota L4400HST Maintenance Data
Kubota L4400HST Service Intervals
Every 10 Hours or Daily
Check engine oil level.
Check engine air filters.
Check the coolant level.
Every 50 Hours
Check battery condition.
Check hydraulic/transmission fluid level.
Check front axle oil level.
Lubricate front axle hub bearings.
Inspect wheels and tires.
Every 100 Hours
Change engine oil. Engine oil - SAE 10W-30, 10W-40. API Service CC, CD, or CF.
Clean engine fuel filter.
Clean primary engine air filter.
Inspect fan/alternator belt tension.
Every 200 Hours
Replace engine oil filter.
Replace hydraulic oil filter.
Replace hydrostatic transmission filter.
Remove dirt from radiator fins.
Check brake adjustment.
Every 400 Hours
Replace fuel filter element.
Change hydraulic/transmission fluid. Fluid type - Kubota UDT or Kubota Super UDT.
Change front axle oil. Front axle oil - SAE 80W-90.
Check and adjust engine idling.
Lubricate rear axle bearings.
Every 1000 Hours
Replace primary engine air filter.
Replace secondary engine air filter.
Check and adjust valve clearance.
Check and adjust diesel fuel pump.
Flush cooling system and add new coolant.
Refill Capacities
Cooling system capacity ................. 7.0 qts (6.6 L).
Engine oil capacity ................. 8.0 qts (7.5 L).
Transmission/hydraulic capacity ................. 42.4 qts (40 L).
Front axle case capacity ................. 6.9 qts (6.5 L).
Kubota L4400HST Replacement Parts
Engine primary air filter. Part number ................. TA040-93220.
Engine secondary air filter element. Part number ................. TA040-93230.
Engine oil filter. Part number ................. HH164-32430.
Engine fuel filter element. Part number ................. 15521-43160.
Hydraulic oil filter. Part number ................. HHTA0-37710.
HST transmission filter. Part Number ................. HHTA0-59900.
Drive belt. Part number ................. 15471-97010.
Annual Maintenance
Change engine oil and replace oil filter.
Replace air cleaner elements.
Change transmission/hydraulic fluid.
Install a new transmission/hydraulic filter.
Drain water from fuel tank and replace fuel filter.
Clean radiator and oil cooler fins.
Flush the cooling system and refill with new coolant.
Inspect all clamps and hoses.
Check battery electrolyte level.
Adjust engine valve clearance.
Inspect and adjust fuel injectors.
- VIEW ALL KUBOTA TRACTORS MAINTENANCE
- Kubota L4350 Maintenance
- Kubota L4400 Maintenance
- Kubota L4400DT Maintenance
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