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Kubota B21 Maintenance and Servicing
Kubota B21 Service Intervals
Every Ten Hours or Daily
Check motor oil level. If the engine oil level is low, fill in fresh
oil.
Transmission/hydraulic fluid level checking. When transmission oil is
low, fill in new oil.
Check air filter. Change if necessary.
Check the coolant level. If the coolant level is too low, add coolant in
cooling system.
Check engine idling, steering, parking brake and service brakes. If
malfunctions are found, repair it.
Every 50 Hours
Checking the air pressure of tyres. Inflate if required.
Check battery charge. Charge the battery if necessary.
Check front axle oil level. Add oil if necessary.
Lubricate front and rear axle hub bearings.
Check front and rear wheels. Tighten bolts and nuts as required.
Every 100 hours
Changing engine oil. Recommended oil type - SAE20, SAE30 or 10W-30. How
much to fill: Oil system capacity (Kubota D1005) - 4.1 qts (3.9 L).
Check engine oil level after replacement.
Check hydraulic system oil level. Fill as required.
Inspect the primary/secondary air filter elements and clean if
necessary.
Every 200 hours
Oil filter changing. Oil filter part number: HH150-32094. When changing
the filter, clean the dirt inside the filter housing. When installation
is complete, check the oil level. If after checking the oil level is
low, add it.
Clean the radiator grill from dust and dirt.
Check radiator coolant. Add coolant if necessary.
Every 300 hours
Transmission/hydraulic oil change. Recommended oil type - Kubota UDT or
Super UDT, SAE 80W. How much to change - Transmission/hydraulic
capacity: 30.6 qts (28.5 L). Add transmission/hydraulic oil to the upper
mark on the dipstick.
Changing hydrostatic transmission oil filter (HST models). HST filter
part number: HH660-36060. Check the transmission oil level after
installing a new filter. Add transmission fluid if it is low.
Perform transmission/hydraulic filter replacement. Part number of
hydraulic filter element - HH330-82630. Check the transmission/hydraulic
fluid level after installing a new filter. Add oil if necessary.
Check drive belt tension. Adjust or change if necessary. Drive belt part
number: 1G062-97012.
Check wheel bolt torque.
Every 400 Hours
Replace engine fuel filter. Fuel filter part number - 1T021-43560. Check
the operation of injection pump.
Check or replacing engine primary air filter elements. Air filter part
number - 6C060-99414.
Inspect engine secondary air filter element. Part number - 32721-58242.
Change if required.
Check engine idling. Adjust engine idle if necessary.
Inspect all hoses and tubes. Tighten as required.
Change front axle fluid.
Adjust service and parking brakes.
Annual Maintenance
Kubota B21 replacement part
Engine Primary Air Filter. Part Number: 6C060-99414
Engine Secondary Air Filter Element. Part Number: 32721-58242
Engine Oil Filter. Part Number: HH150-32094
Engine Fuel Filter Element. Part Number: 1T021-43560
Drive Belt. Part Number: 1G062-97012
Hydraulic Oil Filter. Part Number: HH330-82630
Hydrostatic Transmission Filter. Part Number: HH660-36060
Change filter and engine oil. Service lubricating system components.
Install a new engine primary and secondary air filter elements.
Change HST transmission filter.
Replace hydraulic/transmission filter and oil.
Drain water from fuel tank and replace fuel filters.
Clean radiator and oil cooler fins.
Drain, flush and refill cooling system. Cooling system capacity: 3.6 qts
(3.4 L).
Inspect all hoses and clamps.
Check battery charging.
Check and adjust valve clearance.
Inspect and adjust diesel injector 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 |