Kubota L3200 / L3800 service schedule

Kubota L series · check your handbook (operator's manual code TC425-1975-1, English edition)

Every maker's service job for the Kubota L3200 / L3800, counted in hours, with the oils, filters and parts each one needs. Add your tractor to Farmyard Workshop and it works out what's due from your hours and dates, and keeps the service history.

Track your L3200 / L3800 for free

Versions: L3200 (single clutch, 5.7 L engine oil); L3800 (dual clutch, 7.1 L engine oil)

Service intervals

JobWhen
Grease pointsevery 50 hours
Engine start safety switches checkevery 50 hours
Wheel bolts and nuts torque checkevery 50 hours
Air cleaner primary element cleanevery 100 hours
Fuel filter cleanevery 100 hours
Fan belt tension checkevery 100 hours
Clutch and brake pedal free travelevery 100 hours
Battery condition checkevery 100 hours
Fuel line checkevery 100 hours
Toe-in and hose checksevery 200 hours or every 6 months
Engine oil and filter changeevery 200 hours
Transmission fluid and hydraulic filter changeevery 400 hours
Front axle case oil changeevery 400 hours
Fuel filter element replaceevery 400 hours
Front axle pivot adjustevery 600 hours
Engine valve clearance (dealer)every 800 hours
Air cleaner elements replaceevery year
Coolant flush and changeevery 2 years

Service jobs and parts

Grease points

Chassis · every 50 hours

Kubota lists the grease fittings at 50 hours. Grease more often in wet or muddy work.

PartQtyNotesPart number
Grease1EP2 grease. Multipurpose NLGI-2 or NLGI-1 (GC-LB), until it overflows. Aztec Oils match: VOLCATEC LITHIUM EP 2check your handbook
Step-by-step
  1. Stop the engine, take the key out, set the parking brake.
  2. Wipe each fitting and pump grease in until clean grease shows.
  3. Points in the handbook: front axle support (2), clutch pedal (1), brake pedal (1), pedal shaft (1), lift rod (1), tie rod ends (4). Smear grease on the two battery terminals.
  4. Wipe off the excess.

Tools: Grease gun, Rag

Engine start safety switches check

Electrical · every 50 hours

The handbook has a 50-hour test that the engine will not crank unless the range gear lever and PTO lever are in the right positions.

Step-by-step
  1. Set all levers neutral, park brake on, stop the engine.
  2. Sit on the seat, put the range lever in L, H or R, press the clutch right down, disengage the PTO and turn the key to start: the engine must not crank.
  3. Then engage the PTO lever, press the clutch, put the range lever in neutral and try to start: the engine must not crank.
  4. If it cranks in either test, do not use the tractor. Take it to a Kubota dealer.

Tools: None

Wheel bolts and nuts torque check

Chassis · every 50 hours

Kubota says check wheel bolts regularly, especially when the tractor or wheels are new.

Step-by-step
  1. Check every wheel bolt and nut with a torque wrench.
  2. Handbook figures are 137 N-m and 215 N-m (the page does not say which wheel each is for, check your handbook).
  3. Retighten any that are loose.

Tools: Torque wrench

Air cleaner primary element clean

Engine · every 100 hours

Kubota cleans the primary element every 100 hours and more often in dust. It is replaced yearly or after the sixth cleaning.

Step-by-step
  1. Remove the cover and primary element.
  2. Dry dust: blow air from the inside, turning the element. Oil or soot: soak in detergent for 15 minutes, wash several times, rinse and dry naturally.
  3. Check the inside against a light for damage.
  4. Do not touch the secondary (safety) element unless it is being replaced.
  5. Open the evacuator valve to clear dust. Refit the cover with the arrow upright.

Tools: Low-pressure air line (under 205 kPa), Rag

Fuel filter clean

Fuel · every 100 hours

The handbook cleans the filter bowl and element every 100 hours and replaces the element at 400 hours.

Step-by-step
  1. Do this in a clean place, with the tank less than half full.
  2. Unscrew the filter bowl and rinse it with kerosene. Rinse the element.
  3. Refit, keeping dirt out, then bleed the fuel system.

Tools: Kerosene, Clean tray

Fan belt tension check

Engine · every 100 hours

Kubota checks fan belt tension every 100 hours.

Step-by-step
  1. Stop the engine and take the key out.
  2. Press the belt with your thumb (68.6 N) mid-span: deflection should be 7 to 9 mm.
  3. If wrong, loosen the alternator bolts, lever the alternator out and retighten. Replace a damaged belt.

Tools: Spanner

Clutch and brake pedal free travel

Chassis · every 100 hours

Kubota adjusts both pedals every 100 hours.

Step-by-step
  1. Engine off, key out, wheels chocked, parking brake released.
  2. Clutch free travel should be 20 to 30 mm: adjust the clutch rod at the lock nut. On the L3800 dual clutch, first set the pedal play, then adjust the clutch bolts through the flywheel housing cover (0.9 to 1.0 mm clearance, 3 bolts).
  3. Brake free travel should be 15 to 20 mm: adjust the brake rod at the lock nut. Both brake pedals must be equal.
  4. Retighten the lock nuts.

Tools: Spanners, Rule

Battery condition check

Electrical · every 100 hours

Kubota checks the battery every 100 hours (once a year if you do under 100 hours a year).

Step-by-step
  1. Read the indicator: green is good, black needs charging, white needs a new battery.
  2. Check the terminals are tight and greased.

Tools: Voltmeter or hydrometer

Fuel line check

Fuel · every 100 hours

Fuel hoses and clamps are checked every 100 hours and replaced every 2 years by a dealer.

Step-by-step
  1. Check every fuel hose and clamp is tight and undamaged.
  2. Repair or replace anything worn. Bleed the system if a line was removed.

Tools: None

Toe-in and hose checks

Chassis · every 200 hours or every 6 months

Toe-in and the radiator hose, intake air line and power steering line are checked every 200 hours (radiator hoses also at 6 months).

Step-by-step
  1. Measure between the tyre beads at hub height, front and rear: the front distance should be 2 to 8 mm shorter. Adjust the tie rods if not.
  2. Check radiator hoses, intake air line and power steering line for swelling, cracks and loose clamps. Replace any that are hardened or cracked.

Tools: Tape measure, Spanners

Engine oil and filter change

Engine · every 200 hours

Kubota changes the oil and filter every 200 hours (halve it if you use diesel with over 0.5% sulphur). The handbook gives no month limit.

PartQtyNotesPart number
Engine oil110W-30 or 15W-40, API CF or better. 5.7 L (L3200) / 7.1 L (L3800) with filter. Aztec Oils match: EMPROTEC EHPD 10W-30check your handbook
Engine oil filter1Genuine Kubota filter only. Part number not in the handbook: check your handbook or dealercheck your handbook
Step-by-step
  1. Run the engine to warm it, stop it and let it cool a little.
  2. Remove the drain plug and drain all the oil.
  3. Refit the plug. Unscrew the old filter, oil the seal of the new one, screw on until it touches, then another half turn by hand.
  4. Fill to the upper notch on the dipstick, run for a minute, stop and recheck the level and for leaks.

Tools: Drain tray (10 L), Filter wrench, Rag

Transmission fluid and hydraulic filter change

Transmission · every 400 hours

Kubota changes the transmission and hydraulic fluid and the hydraulic filter every 400 hours.

PartQtyNotesPart number
Transmission and hydraulic fluid1Kubota SUPER UDT-2 multigrade fluid, 27.5 L. Do not mix brands. Aztec Oils match: AGRITEC UTTOcheck your handbook
Hydraulic oil filter1Genuine Kubota filter only. Part number not in the handbook: check your handbook or dealercheck your handbook
Step-by-step
  1. Park level, engine off. Remove the drain plugs under the transmission case and drain all the oil.
  2. Refit the plugs. Remove the hydraulic filter and wipe metal filings off the magnetic filter.
  3. Oil the new filter seal, screw it on until it touches, then another half turn.
  4. Fill to the upper line of the gauge, run the engine for a few minutes, stop and top up.
  5. Run at medium speed a few minutes before working the tractor hard.

Tools: Drain tray (30 L), Filter wrench, Clean rag

Front axle case oil change

Axles · every 400 hours

Kubota changes the front axle case oil every 400 hours.

PartQtyNotesPart number
Front axle oil180W-90 gear oil or Kubota SUPER UDT-2 fluid, 4.5 L. Aztec Oils match: TRANSMATEC EP-4 80W-90check your handbook
Step-by-step
  1. Remove the right and left drain plugs and the filling plug and drain all the oil.
  2. Refit the drain plugs and pour in the new oil slowly.
  3. Run the tractor a few minutes, then remove the level check plug: oil should run out. Top up if not.
  4. Refit and tighten the plugs.

Tools: Drain tray, Spanners

Fuel filter element replace

Fuel · every 400 hours

Kubota replaces the fuel filter element every 400 hours.

PartQtyNotesPart number
Fuel filter element1Genuine Kubota number as quoted by FridayParts kit listing for L3200/L3800; check against your serial number6A320-59930
Step-by-step
  1. Do this in a clean place with the tank under half full.
  2. Unscrew the bowl, fit the new element and O-ring, refit the bowl.
  3. Bleed the fuel system.

Tools: Clean tray

Front axle pivot adjust

Axles · every 600 hours

Kubota adjusts the front axle pivot every 600 hours to stop front wheel shimmy.

Step-by-step
  1. Loosen the lock nut, screw the adjusting screw in until seated, then another 1/6 turn.
  2. Retighten the lock nut.

Tools: Spanner

Engine valve clearance (dealer)

Engine · every 800 hours

Kubota lists valve clearance at 800 hours as a dealer job.

Step-by-step
  1. Book it with a Kubota dealer. The clearance figure is not in the operator's manual.

Tools: Dealer

Air cleaner elements replace

Engine · every year

Kubota replaces both air cleaner elements once a year, or the primary after the sixth cleaning.

PartQtyNotesPart number
Air cleaner primary element1Kubota number per FridayParts kit listing (older number TA040-93230); check with your dealerR1411-42270
Air cleaner secondary element1Kubota number per FridayParts kit listing (older number TA040-93220); check with your dealerR1411-42280
Step-by-step
  1. Remove the cover, primary and secondary elements.
  2. Fit new ones. Never oil a dry element.
  3. Refit the cover with the arrow upright.

Tools: Rag

Coolant flush and change

Cooling · every 2 years

Kubota flushes and changes the coolant every 2 years. Hoses and fuel, steering and intake lines are replaced at the same time by a dealer.

PartQtyNotesPart number
Coolant150/50 ethylene glycol long-life coolant with soft water. 6.0 L radiator + 0.6 L recovery tankcheck your handbook
Step-by-step
  1. Engine cold. Open the drain plug and remove the radiator cap to drain it all.
  2. Refit the plug, flush with water and cooling system cleaner as the cleaner says.
  3. Fill with the 50/50 mix to just below the cap, then the recovery tank to FULL.
  4. Run a few minutes, let it cool and recheck the recovery tank.

Tools: Drain tray, Funnel

Oils, fluids and capacities

SystemOil or specCapacity
EngineKubota diesel (L3200 / L3800)
Engine oilAPI CF or better. Above 25 C: SAE30, 10W-30 or 15W-40. -10 to 25 C: SAE20, 10W-30 or 15W-40. Below -10 C: 10W-30. If the diesel has over 0.5% sulphur, halve the oil and filter interval.5.7 L with filter (L3200), 7.1 L with filter (L3800)
Coolant6.0 L radiator plus 0.6 L recovery tank. 50/50 ethylene glycol long-life coolant and soft water. Change every 2 years.
Valve clearancesDealer job every 800 hours; the clearance figure is not in the operator's manual, check your handbook
Engine oil10W-30 or 15W-40 (API CF or better)5.7 L (L3200) / 7.1 L (L3800) with filter
Transmission and hydraulics (shared)Kubota SUPER UDT-2 fluid (multigrade, do not mix brands)27.5 L
Front axle caseKubota SUPER UDT-2 fluid or SAE 80 to SAE 90 gear oil4.5 L
Coolant50/50 ethylene glycol long-life coolant and soft water6.0 L radiator + 0.6 L recovery tank
FuelNo. 2-D diesel (No. 1-D below -10 C)38.0 L tank
GreaseEP2 grease. Multipurpose NLGI-2 or NLGI-1 (GC-LB)Until grease overflows

Specifications

Fan belt deflection7 to 9 mm at 68.6 N (7 kgf) mid-span
Clutch pedal free travel20 to 30 mm
Brake pedal free travel15 to 20 mm
Toe-in2 to 8 mm
Wheel bolt torque137 N-m and 215 N-m are shown for the two wheel bolt sizes; the page does not say which is front or rear, check your handbook
Air cleanerDry double element: primary cleaned at 100 h, both elements replaced yearly

Known problems

Clutch housing water

After rain, snow or a wash, push in the split pin plug under the clutch housing; if water comes out, drain it.

Repair guides

The full step-by-step guides are in Farmyard Workshop once you add your tractor.

Parts list with genuine part numbers

Kubota L3200 / L3800 - maker filter/service sheets and parts lists already cited on the site entry; serial splits are in the row notes

Engine service

PartPart numberQtyNotes
Air cleaner primary elementR1411-422701Kubota number per FridayParts kit listing (older number TA040-93230); check with your dealer
Air cleaner secondary elementR1411-422801Kubota number per FridayParts kit listing (older number TA040-93220); check with your dealer

Fuel

PartPart numberQtyNotes
Fuel filter element6A320-599301Genuine Kubota number as quoted by FridayParts kit listing for L3200/L3800; check against your serial number

Sources

Open Farmyard Workshop

More from Kubota.