________________________________________________________________________________________

Home / Lawn and Garden Tractors / Kubota Lawn Tractors / Kubota G3200

Kubota G3200 Troubleshooting

The Kubota G3200 is a 2WD garden tractor from G-series. This model was manufactured between 1983 and 1988. The Kubota G3200 driveline components: Kubota Z400 two-cylinder naturally aspirated water-cooled diesel engine and mechanical transmission with 3 forward and 1 reverse gears.

A 24.4 cubic inches (399 cc) engine has a cylinder bore of 2.52" (64 mm), piston stroke of 2.45" (62 mm), and rated power of 10 hp (7.5 kW). The maximum travel speed (forward and reverse): 4.7 mph (7.6 km/h) / 2.4 mph (3.9 km/h).

The Kubota G3200 was equipped with a manual steering system, disc type brakes, 16x6.50-8 front tires, and 23x10.50-12 rear tires. The wheelbase is 47.2" (1190 mm). The tractor is compatible with a 40" mid-mount 2-blade Kubota RC40 mower deck, 44" mid-mount 3-blade Kubota RC44 mower deck, 46" front-mount Kubota G2538A snowblower, 48" front-mount Kubota G2003 blade, and 54" front-mount Kubota G2000 blade.

Diesel Engine Troubleshooting
Engine won't start or difficult to start
Dirty fuel filter element - Clean or replace the filter
Closed fuel supply valve - Open supply valve to inject fuel
Air in fuel pipes - Bleed fuel pipes
Faulty or dirty injectors - Test fuel injectors and change if necessary
Fuel injection pump is defective - Rebuild or change fuel pump
Poor compression - Inspect cylinder block and change defective components
Diesel stalls while running
Engine is not warmed up to required temperature - Warm up the engine as required
Air in fuel lines - Bleed fuel lines
Irregular fuel injection - Adjust fuel injection timing
Fuel filter plugging - Service the filter
Faulty or dirty injectors - Clean or replace fuel injectors
Diesel engine stalls after starting
Timing of fuel injection pump is not adjusted - Adjust injection timing
Clogged fuel filter element - Clean or replace the filter
Fuel injector nozzles are dirty - Install new set of properly balanced nozzles
Fuel injection pump is faulty - Replace or repair injection pump
Air cleaner clogging - Service or change air cleaner
Engine stalls at idle
Wrong adjustment of low idle speed - Test and adjust
Fuel injection pump failure - Rebuild or replace pump
Dirty or defective injector nozzles - Test injector nozzles and replace as required
Improper valve clearance - Check and adjust
Engine overheated
Engine coolant is insufficient - Fill the cooling system. Check for leaks or other malfunctions
Cooling system components are damaged or system is dirty - Replace faulty parts or flush the cooling system
Insufficient engine oil - Check and refill engine oil
Broken fan belt or unadjusted belt tension - Adjust correctly or install new belt
Thermostat malfunction - Replace the thermostat
Engine loses power
Dirty or faulty injectors - Change fuel injectors
Insufficient fuel injection pressure - Check the fuel injection pressure and adjust if necessary
Dirty air filter - Service or replace the air filter
Plugged engine oil filter - Clean or change engine oil filter
Engine is running overloaded - Reduce the load or use a lower gear
Excessive valve clearance - Have it adjusted
Incorrect low idle speed adjustment - Correct low idle settings
Fuel pipes or hoses are dirty - Clean fuel hoses and pipes
Lack of compression: Valves are defective or worn - Change the valves
Engine knocking or noise
Incorrect setting of fuel injection pump timing - Adjust injection timing
Fuel injector nozzles are dirty - Replace fuel injector nozzles
Low engine oil level - Check oil level and add oil as required
Engine has not warmed up to required temperature - Normalize the engine temperature
Crankshaft or main bearings failure - Replace crankshaft or bearings
Piston rings are damaged or broken - Have piston rings replaced
Flywheel bolts are loose - Bolts need to be tightened
Diesel engine using too much oil
Oil leaks: Gaskets or seals can be faulty - Replace defective parts
Improper oil viscosity - Fill up with the proper oil viscosity
Piston rings are defective or worn - Change the piston rings as required
Damaged valve guides or valve stems - Valves must be replaced
Scored cylinder liners or pistons - Inspect pistons and liners, replace as required


Transmission Troubleshooting
Difficulty shifting gears
Stuck or damaged gear shift linkage - Replace or repair the shift linkage
Bent or worn shift forks - Install new shift forks
Gear shifting mechanism is worn - Change worn components
Transmission is excessively noisy
Transmission oil level is low - Fill the transmission housing to proper oil level
Transmission fluid is contaminated - Fill up with new transmission fluid
Bearings are damaged or gears are worn - Replace defective parts
Transmission jumps out of gear
Incorrectly installed or bent shift lever - Install the lever correctly or replace it
Worn or damaged gear teeth - Change defective gears
Faulty shift forks or shift rods - Replace damaged rods or forks
Transmission slips
Drive belt/shaft is improperly adjusted or worn - Adjust belt/shaft or install a new one
Brake/clutch is worn or incorrectly adjusted - Change clutch/brake or adjust it
Faulty or worn drive sheave - Change sheave

Mower Deck Troubleshooting
Mower vibrates too much
Dirty or worn mower drive sheave - Service or replace sheave
Drive belt is damaged or loose - Adjust belt tension or replace belt
Cutting blades are not balanced or warped - Change or balance blades
Blade bolts are not tightened well - Tighten it fast
Discharge chute is regularly plugged
Ground speed is too fast - Use a slower speed
Long grass - Must be set to low cutting height
Reduced engine speeds - Throttle is not fully open
Cutting level is too low - Need to set high cutting height
Mower drive belt installation is improper - Install drive belt correctly
Grass patches are not cut
Cutting deck clogging - Mower deck needs to be cleaned
Blades are too dull - Sharpen the blades
Damaged or worn blades - Blades must be changed
High mowing speed - Use a lower speed
Mower deck set to low cutting - Change cutting height adjustment
Bagger is full - Remove grass from bagger
Blades scalp the grass
Lawn is uneven or bumpy - Lawn leveling required
Low cutting height - Use correct cutting height
Fast ground speed - Select a slower speed
Incorrectly leveled mower deck - Level the deck correctly
Bent or worn blades - Change the blades
Tire pressure is too low - Correct tire pressure
Mower cutting is uneven
Tires are not correctly inflated - Check and inflate the tires
Deck is not leveled correctly - Adjust the level of mower deck correctly
Blades are not sharp - Sharpen the blades
Bent or worn blades - Install new blades
Discharge area is clogged - Clean mower deck as required
Broken mower deck shell - Rebuild or replace mower deck
Loose or defective mower spindle - Repair or change the spindle

Electrical Troubleshooting
Battery cannot be charged
Loose or corroded wire connections - Tighten or service cable connections
Battery terminal clamps are faulty - Install new terminal clamps
Battery bad cell - Change the battery
Starter motor turns slow
Low battery capacity - Battery is drained, recharge it
Battery does not hold charge - Battery needs to be serviced or replaced
Wires are disconnected or battery terminals are corroded - Check cables and replace or service terminals
Starter doesn't crank
Battery is low or faulty - Recharge or replace battery
Wiring is improperly connected or disconnected - Check wiring and connect properly
Low battery output voltage - Battery is drained, recharge it
Spark plug gapped improperly or faulty - Clean, gap or change spark plug
Solenoid or starter motor is faulty - Repair starter or install a new solenoid

________________________________________________________________________________________

________________________________________________________________________________________

Lawn and Garden Tractors Technical Specs
JOHN DEERE 314 JOHN DEERE D130 JOHN DEERE E150 JOHN DEERE L118
KUBOTA G5200 KUBOTA GR2100 KUBOTA T1400 KUBOTA T1560
FORD 140 FORD GT95 FORD LGT14D FORD LGT165
CRAFTSMAN GT5000 CRAFTSMAN LT2500 CRAFTSMAN T2000 CRAFTSMAN YT3000
CUB CADET 782D CUB CADET 1811 CUB CADET 2186 CUB CADET LT1045
HUSQVARNA CTH151 HUSQVARNA TC138 HUSQVARNA TS142T HUSQVARNA GT2254