Home / Farm Tractors / Kubota Tractors / Kubota M110

Kubota M110 Troubleshooting

The Kubota M110 is a 2-wheel drive or 4-wheel drive utility tractor. This model was manufactured from 1998 to 2004. The Kubota M110 tractor is powered by 356 cu.in (5.8 L) Kubota F5802-G 4-cycle 5-cylinder direct injection turbocharged liquid-cooled diesel engine with a rated power of 110 hp (82 kW).

The Kubota M110 is fitted with 2 transmission options: Powershift transmission with 16 forward and 16 reverse gears, and Powershift Creeper transmission with 24 forward and 24 reverse gears. Max forward speed - 20.3 mph (32.7 km/h), max reverse speed - 20.1 mph (32.5 km/h).

The open center hydraulic system includes a gear pump with a flow of 20.6 gal/min (78 l/min). The rear lift capacity is 5200 lbs (2360 kg) at lift pin. The Kubota M110 was equipped with a power steering system, hydraulic wet disc brakes, 13.6x24 front tires, and 16.9x38 rear tires. The wheelbase is 98.2" (2490 mm) for 2WD models and 98.9" (2510 mm) for 4WD models. Compatible attachments for the tractor: Kubota LA1301 loader with lift capacity to max height of 2865 lbs (1300 kg), and Kubota LA1601 loader with lift capacity to max height of 3527 lbs (1600 kg).

Engine Troubleshooting
Diesel won't start or hard to start
Fuel filter is dirty - Service or replace the filter
Closed fuel cock - Open fuel on-off cock to inject fuel
Air in fuel system - Air-bleed fuel system
Dirty or faulty injectors - Check fuel injectors and replace if required
Fuel injection pump malfunctioning - Rebuild or install a new injection pump
Bad compression - Inspect cylinder block and replace worn components
Engine stalls while running
Coolant temperature is low - Warm up the engine as required
Fuel lines leaking air - Tighten clamps, change faulty pipes
Irregular fuel injection - Adjust fuel injection timing
Fuel filter is clogged - Install new filter element
Clogged fuel injectors - Inspect fuel injectors and replace if necessary
Engine starts and stops
Incorrect setting of fuel injection pump timing - Check the fuel injection pump timing setting
Dirty fuel filter element - Clean or replace the filter
Damaged or clogged injector nozzles - Install new set of properly balanced nozzles
Defective fuel injection pump - Replace or rebuild injection pump
Air cleaner clogging - Change or replace air cleaner element
Engine stalls when idle
Incorrect low idle speed adjustment - Correct low idle adjustment
Fuel injection pump damage - Repair or install new pump
Fuel injector nozzles are dirty - Service or replace injector nozzles
The valve clearance is not adjusted - Correct valve clearance needs to be set
Engine is overheated
Low coolant level - Fill the radiator to the required level. Any leaks must be repaired
Cooling system parts are defective or system is clogged - Change faulty components or flush the cooling system
Engine oil level low - Need to add engine oil
Broken fan belt or improper belt tension - Adjust belt tension correctly or change it
Thermostat fault - Thermostat needs to be replaced
Diesel engine is losing power
Dirty or damaged injectors - Test fuel injectors and change if necessary
Incorrect fuel injection pressure - Test fuel injection pressure and adjust it correctly
Air filter clogging - Service or replace the air filter
Clogged oil filter - Service or change engine oil filter element
Engine overloaded - Reduce the load or use a lower gear
Excessive valve clearance - Check and adjust as required
Incorrectly adjusted low idle speed - Correct the settings
Fuel pipes or hoses are dirty - Service fuel hoses and pipes
Engine low compression: Valves are defective or worn - Replace the valves
Engine noises or knocks
Fuel injection pump out of timing - Check the fuel injection pump timing setting
Fuel injector nozzles fault - Install new set of properly balanced nozzles
Insufficient engine oil - Check oil level and add oil as required
Engine not warmed up - Warm up the engine to required temperature
Main bearings or crankshaft failure - Crankshaft or bearings need to be replaced
Broken or defective piston rings - Replace the piston rings as required
Loose flywheel screws - Check the flywheel screws and tighten as required
Engine oil consumption is too high
External oil leaks: Seals or gaskets are defective - Worn parts need to be replaced
Oil viscosity is wrong - Use oil of correct viscosity
Stuck or worn piston rings - Replace piston rings
Worn valve stems and valve guides - Valves replacement required
Cylinder liners or pistons are worn - Check liners and pistons, change as required

Electrical System Troubleshooting
Battery is not charging
Battery is defective - Change the battery
Bad battery wiring harness - Inspect wiring for malfunctions, replace or repair
Corroded or loose battery terminals and cables - Cables and terminals must be tightened or cleaned
Defective belt or improperly adjusted belt tension - Adjust belt tension as required or change belt
Starter turns slowly
Battery power is low - Low battery charging, charge as required
Battery is not holding charge - Service charging system or change battery
Battery cable harness damage - Check battery cables for damage, change or repair
Battery cables and terminals are loose or corroded - Tighten or service terminals and cables
Starter motor won't turn
Low battery power - Low battery charging, charge as required
Drained or defective battery - Charge or change the battery
Damaged starter motor - Starter needs to be replaced
Incorrectly connected or disconnected wires - Check battery wires and connect correctly

Transmission Troubleshooting
Difficulty shifting gears
Clutch is not adjusted or faulty - Clutch needs to be replaced or adjusted
Gear shift linkage is loose or broken - Change defective shift linkage
Bent or worn shift forks - Install new shift forks
Gearshift mechanism is worn out - Repair or replace worn components if required
Low transmission fluid pressure
Low transmission fluid level - Add transmission fluid as required
Transmission fluid filter is plugged (if fitted) - Clean or replace the transmission fluid filter
Relief valve is faulty - Replace the valve
Excessive transmission noise
Bearings are worn or cracked - Bearings need to be changed
Not enough fluid in transmission - Add transmission fluid as required
Transmission fluid contamination - Transmission fluid must be changed
Backlash is incorrect or gears are worn - Change the gears or adjust backlash correctly
Shift forks are worn or damaged - Change the shift forks
Transmission fluid leaking
Broken gaskets or seals - Install new components
Transmission case is cracked - Replace case or transmission assembly

Hydraulics Troubleshooting
Hydraulic system overheated
Improper pressure in hydraulic system - Adjust properly
Faulty or incorrectly adjusted main relief valve - Adjust or replace the relief valve
Hydraulic fluid is contaminated - Fill up with new hydraulic fluid
Hydraulic system sucks air - Check the pump seals, suction pipe, and fittings
Low hydraulic oil pressure
Lack of hydraulic oil - Add oil to the hydraulic system
Hydraulic fluid filter element is dirty - Clean the hydraulic filter element or replace if necessary
Hydraulic pump failure - Test the pump performance and change pump if required
Hydraulic control valve is not set properly or defective - Replace or adjust properly
Defective hydraulic cylinder - Check cylinder parts for wear or damage and replace if necessary
Hydraulic pipes are leaking - Identify leaks in the system and repair it
3-point hitch does not raise or raises very slowly
Lack of hydraulic fluid - Add fluid to the hydraulic system
Cold fluid in hydraulic system - Wait for fluid to warm up
Hydraulic oil filter clogging - Clean or replace the hydraulic filter
Hydraulic pump is defective - Check the pump capacity and replace pump if required
Main relief valve incorrect adjustment or failure - Set up or change the relief valve
Defective or incorrect setting hydraulic control valve block - Replace or adjust properly
Hydraulic cylinder is not working - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Loose or damaged suction line - Tighten or replace
Three-point hitch dropping is too slow or cannot be dropped
Defective or not adjusted hydraulic control valve - Replace or adjust properly
Hydraulic cylinder is broken - Check the hydraulic cylinder parts for damage or wear and replace if necessary
Lift arm shaft is damaged - Replace the shaft
Hitch has mechanical defects - Replace worn or defective hitch components
Hitch lowering or lifting is not smoothly
Air enters in hydraulic system - Check the pump seals, suction pipe, and fittings
Hydraulic fluid is dirty - Hydraulic fluid change required
Hydraulic pump is faulty - Flow-rate hydraulic pump and replace pump if necessary
Hydraulic spool valve is not set properly or defective - Adjust properly or replace
Hydraulic cylinder is broken - Inspect cylinder parts for wear or damage and replace if required

Steering System Troubleshooting
Steering wheel is very heavy to turn
Damaged or improperly fitted steering column - Fit the steering column properly or change it
Air leaks in steering system - Bleed the system of air
Improper toe-in adjustment - Adjust toe-in properly
Tires are not properly inflated - Inflate tires as required
Steering pump not working - Check the steering pump and replace if necessary
Power steering control valve has wear or malfunction - Check and replace as required
Faulty steering box parts - Repair power steering box
Not enough steering fluid - Fill up steering fluid to required level
Oil leaks in the steering system - Tighten the steering hose and pipe joints
Excessive steering wheel play
Steering column shaft or coupling is worn out - Replace defective component
Power steering control valve is worn or defective - Inspect and replace as required
Worn steering box parts - Change defective steering box components
Faulty steering pump - Repair or change steering pump
Worn or faulty steering tie-rod ends or linkage - Change failed component
Tractor pulls to left or right
Low tire pressure - Inflate the tires
Toe-in adjustment is incorrect - Check toe-in and correct
Faulty or worn steering tie-rod ends or linkage - Replace damaged part
Worn steering box components - Change defective steering box parts
Worn or damaged power steering control valve - Replace or repair steering valve as required
Worn or incorrectly adjusted or worn front hub bearings - Change or adjust the bearings properly



Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294