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Kubota B7400/B7400HSD Maintenance and Servicing
Kubota B7400 Periodic Maintenance
Every Ten Hours or Daily
Engine oil level checking. If after checking the engine oil level is
low, top it up.
Transmission/hydraulic fluid level checking. When the
transmission/hydraulic fluid is low, add fresh oil.
Check air filter. Install a new filter element if necessary.
Check the coolant level in cooling system. If the coolant level is low,
top it up.
Check engine idle speed, steering system, parking brake and service
brakes. Repair any malfunctions if necessary.
Every 50 Hours
Check tire air pressure. Inflate tires if required.
Inspect the battery. Clean the terminals as required.
Check front axle oil level. Add if required.
Check tightness of wheel bolts and nuts.
Every 100 hours
Engine oil change. Recommended motor oil type - SAE20, SAE30 or 10W-30.
How much to fill: Oil system capacity (Kubota D722) - 2.5 qts (2.4 L).
After changing the oil, check the level with a dipstick.
Inspect the air filter and clean if necessary.
Check oil level in the hydraulic tank. Add oil if necessary.
Lubricate the front axle bearing assembly.
Every 200 hours
Engine oil filter replacement. Filter part number - HH150-32430. Before
installing a new filter, clean the filter housing from clogging. After
replacing the filter, check the oil level. Add oil if necessary.
Inspect and adjust drive belt. Replace if belt is worn. Part Number:
1G027-97012.
Clean radiator fins from dirt.
Every 300 Hours
Change transmission/hydraulic fluid. Recommended oil - Kubota UDT or
Super UDT. Transmission/hydraulic capacity: 12.8 qts (12.0 L). After
installing a new filter, check that the hydraulic/transmission oil level
is correct.
Hydrostatic transmission oil filter changing (B7400HSD). HST filter part
number: HH660-36060. After replacing the filter, check the transmission
fluid level. Add oil if required.
Replace filter in hydraulic system. Hydraulic filter element part number
- 66021-36390. After installation, checking the hydraulic oil level is
recommended. If after checking the hydraulic fluid level is low, add it.
Check wheel bolt torque.
Every 400 Hours
Engine air filter elements checking. Replace as required. Engine primary
air filter part number: 6C060-99414. Engine secondary air filter part
number: 32721-58242.
Change fuel filter. Engine fuel filter part number: 6A320-59930. Check
injection pump adjustments.
Check cooling system for leaks. Add coolant if necessary.
Check engine idle. Adjust if necessary.
Check and tighten all hoses and clamps.
Change front axle fluid. Front axle capacity: 3.4 qts (3.2 L).
Adjust service and parking brakes.
Annual Maintenance
Kubota B7400 replacement part
Engine Primary Air Filter. Part Number: 6C060-99414
Engine Secondary Air Filter Element. Part Number: 32721-58242
Engine Oil Filter. Part Number: HH150-32430
Engine Fuel Filter Element. Part Number: 6A320-59930
Drive Belt. Part Number: 1G027-97012
Hydraulic/Transmission Oil Filter. Part Number: 66021-36390
Hydrostatic Transmission Filter (B7400HSD). Part Number: HH660-36060
Change engine oil and filter. Service oil system components.
Install a new engine primary/secondary air cleaner elements.
Replace HST filter.
Change hydraulic filter and hydraulic/transmission fluid.
Change the fuel filter by first drain water from fuel tank.
Clean oil cooler fins and radiator.
Flush the cooling system and refill with new coolant. Cooling system
capacity: 2.9 qts (2.7 L).
Check all hoses and clamps.
Check battery charging.
Adjust engine valve clearance.
Check and adjust fuel pump.
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KUBOTA TRACTORS SPECIFICATIONS |
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KUBOTA ENGINES DATA AND SERVICE SPECS |
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KUBOTA FRONT END LOADERS |
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KUBOTA TRACTORS TROUBLESHOOTING | ||||
L235 | L2501 | L2550 | L275 | L3110 |
L3301 | L35 | L3710 | L3901 | L4310 |
L5030 | M4700 | M5700 | M6040 | M6800 |
M8200 | M8540 | M9000 | MX5100 | MX5200 |