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Home / Lawn and Garden Tractors / Kubota Lawn Tractors / Kubota T1460

Kubota T1460 Troubleshooting

The Kubota T1460 is a T-series lawn tractor. This model was manufactured from 1997 to 2001. The Kubota T1460 driveline system components: Kawasaki FC420V vertical single cylinder forced air-cooled OHV gasoline engine and belt-driven hydrostatic transmission with infinite forward and reverse gears.

A 25.8 cubic inches engine has a cylinder bore of 3.50 in (89 mm), a piston stroke of 2.68 in (68 mm), and rated power of 12.5 hp (9.3 kW). The maximum travel speed (forward/reverse): 5.6 mph (9 km/h) and 2.5 mph (4 km/h). The Kubota T1460 is equipped with 15x6.00-6 front tyres and 20x10.00-8 rear tyres.

The wheelbase is 47 in (1200 mm). Compatible attachments for the tractor: a 40" mid-mount 2-blade mower deck with a hydraulic lift system, 38" front-mount snow blower, and 46" front blade.

Engine Troubleshooting
Engine difficult to start or doesn't start
Empty gas tank - Add fuel
Wrong grade of gasoline - Use quality gasoline
Dirty fuel lines - Inspect and clean
Disconnected or loose spark plug wire - Check the spark plug wire connection, repair or replace
Spark plug is defective - Replace spark plug
Fuel filter is dirty - Replace fuel filter
Faulty safety switch - Change damaged switch
Carburetor is dirty - Wash, clean and adjust
Low compression - Check and replace worn parts
Worn or improperly adjusted choke cable - Adjust properly or change the cable
Irregular engine running
Clogged cooling fins - Clean and wash as required
Ignition system problems - Check ignition system and replace faulty parts
Throttle cable is defective or stuck - Replace or service the cable
Air filter is blocked - Change or service air filter
Fuel pump is clogged or faulty - Clean or install new fuel pump
Engine starts and stalls suddenly
Spark plug is faulty - Replace spark plug
Dirty or defective carburetor - Carburetor needs to be replaced or cleaned
Ignition coil is faulty - Change ignition coil as required
Bad or damaged valve springs - Install new valve springs
Stuck valves - Valves must be cleaned
Engine overheated
Lack of engine oil - Check oil level and add oil as required
Engine is overloaded - Load reducing required
Cooling fins are plugged - Need to wash or clean
Too lean carburetor mixture - Set the carburetor properly
Ignition timing is improper - Ignition timing needs to be adjusted correctly
Improper valve setting - Valves needs to be adjusted properly
Engine noise or knocking
Stale gasoline - Use proper fuel
Engine is overloaded - Reduce the load
Insufficient engine oil - Check oil level and add oil as required
Too low idle RPM - Adjust idle speed
Clogged or defective fuel pump - Check fuel pump and change if required
Main bearings or crankshaft failure - Crankshaft or bearings need to be replaced
Valve clearance is wrong - Check and adjust
Worn cylinder bore or piston rings - Replace defective components
Engine loses power
Carburetor is dirty or improperly adjusted - Carburetor needs to be adjusted correctly or cleaned
Air filter element is plugged - Change or clean air filter
Clogged or defective fuel pump - Check fuel pump and change if required
Defective ignition - Inspect ignition system and change failed components
Blown cylinder head gasket - Replace the head gasket
Burned or stuck valves - Change or clean valves
Bent or worn push rod - Install a new push rod
Cylinder block parts are faulty - Replace defective parts as required
High fuel consumption
Choke opening is not full - Replace or adjust choke cable
Carburetor main jet is improperly adjusted - Adjust it correctly
Spark plug is faulty or loose - Re-tighten or replace spark plug
Stuck, worn, or burned valves - Change or clean valves
Sleeve, piston, or rings are damaged - Replace faulty components
Valve clearance is incorrect - Check and adjust
High engine oil consumption
Gaskets or seals may be damaged - Replace defective parts
Valve stems or guides are damaged - Replace the valves
Seized or wear piston rings - Replace piston rings
Cylinder liner or piston is worn - Inspect piston and liner, fit new components as necessary
Breather hose or pipe is plugged - Clean or change

Hydrostatic Transmission Troubleshooting
Hydrostatic transmission noises
Worn or out of adjustment speed control linkage - Adjust or change linkage
Transmission overload - Reduce loading
Contaminated transmission fluid or low fluid level - Fill to required level or change the fluid
Defective or worn transmission parts - Check transmission components and change if necessary
Hard shifting
Worn or rusty shift linkage - Install new linkage
Seized or worn hydrostatic pump - Change or repair pump
Faulty or misadjusted transmission shift control parts - Replace or adjust as required
Power is insufficient
Transmission fluid level is low - Fill the transmission housing to proper fluid level
Drive pulley is defective or worn - Replace pulley
Unadjusted or broken shift linkage - Adjust correctly or replace linkage
Bent or unadjusted speed control pedal linkage - Replace or adjust linkage
Transmission leaking
Transmission gaskets or seals are worn - Seals and gaskets need to be replaced
Final drive shaft leaks - Install new shaft seals
Transmission case is cracked - Change broken case

Mower Deck Troubleshooting
Mower vibration is excessive
Worn or dirty mower drive pulley - Replace or service pulley
Loose or damaged drive belt - Replace belt or adjust belt tension
Mower blades are warped or not balanced - Balance or change as needed
Loose blade mounting bolts - Tighten bolts as required
Discharge chute is regularly plugged
High ground speed - Need to slow down
Grass is too long - Use a lower cutting height
Low engine speeds - Choke is not fully opening
Mower deck set to low cutting - Adjust mower to higher cutting height
Mower drive belt installation is improper - Install drive belt as required
Streaking of uncut grass
Discharge chute is plugged - Need to clean the mower deck
Excessive blade dullness - Need a blade sharpening
Defective or worn blades - Blades need to be replaced
High mowing speed - Need to slow down
Low cutting height - Change cutting height adjustment
Full grass bag - Grass bag must be empty
Blade scalped grass
Lawn is uneven or bumpy - Lawn needs to be leveled
Mower deck set to low cutting - Use a higher cutting height
Ground speed is too fast - Use a slower speed
Improperly leveled mower deck - Deck should be adjusted correctly
Worn or bent blades - Change the blades
Low tire pressure - Check and inflate the tires
Mower cutting is uneven
Low tire pressure - Need to inflate tires
Incorrectly leveled mower deck - Adjust the level of mower deck correctly
Excessive blade dullness - Need to sharpen the blades
Worn or bent blades - Install new blades
Clogged mower deck - Mower deck needs to be cleaned
Deck shell is damaged - Rebuild or change mower deck
Loose or faulty mower spindle - Spindle needs to be repaired or replaced

Electrical Troubleshooting
Battery cannot be charged
Loose or corroded electrical wiring connections - Tighten or service cable connections
Battery terminal connectors are faulty - Change terminal connectors
Faulty cell in battery - Use a new battery
Starter motor turns slow
Low battery voltage - Low battery charging, charge as required
Battery discharges quickly - Service or replace the battery
Bad battery terminals or disconnected wiring - Connect cables properly or replace terminals
Starter doesn't crank
Battery is low or faulty - Charge or change the battery
Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required
Battery capacity is low - Battery is drained, charge it
Spark plug worn or incorrectly gapped - Clean and gap or replace
Starter motor or solenoid failing - Change solenoid or repair starter

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