Kubota RTV-X900 service schedule

1. Park, stop the engine and take the key out. Raise the bed only with the safety support fitted.
2. Grease the nipples on the cargo lift cylinder pivot, VHT link and front and rear A-arms until grease shows.
3. Spray-grease the linkages and pivots listed and smear the battery terminals.
4. Wipe off surplus grease.

Tools: Grease gun, Spray grease

1. Stop the engine and take the key out.
2. Open the cover and take out the primary element. Do not touch the secondary element unless replacing it.
3. Blow dry dust off from the inside out at under 205 kPa (2.1 kgf/cm²), turning the element. If it has oil or soot on it, replace it.
4. Check the rubber seal and the evacuator valve. Refit the cover with the arrow on the back upright, or the valve will not work.
5. Open the evacuator valve weekly, or daily in dust. Never run the engine without the element.

Tools: Compressed air under 205 kPa, Rag

1. Stop the engine and take the key out before touching the belt.
2. Press the belt midway between the fan pulley and alternator: it should move 7–9 mm.
3. If not, loosen the alternator mounting bolts, move it to set the tension and retighten.
4. Replace the belt if it is cracked or damaged.

Tools: Ruler, Spanners

1. Park on a level surface. Raise the cargo bed and fit the safety support before reaching underneath.
2. Stop the engine and let it cool enough to handle. Warm oil drains best but hot oil burns.
3. Remove the rear skid plate, then the drain plug, and drain the oil fully.
4. Remove the old filter. Oil the rubber seal of the new one, screw it on until it touches, then a further half turn by hand only.
5. Refit the drain plug and fill to the upper line on the dipstick (about 3.1 L).
6. Run briefly, check the filter seal for leaks, stop and top up to the mark. Refit the skid plate and lower the bed.

Tools: Drain tray (5 L), Filter wrench, Spanner for drain plug, Funnel, Gloves

1. Park on a level surface, stop the engine and let it cool. Hot oil burns.
2. Open the seat and remove the rubber cap. Remove the drain plug and filling plug and drain the oil fully.
3. Remove the rear guard. Remove the yellow VHT filter and the black suction filter.
4. Put a film of clean fluid on each new filter seal, screw on until it touches, then a further half turn with a filter wrench.
5. Refit the drain plug and fill with SUPER UDT to the upper line on the dipstick (check with the dipstick screwed in).
6. Run the engine a few minutes, stop, recheck and top up. Check the filters for leaks and refit the guard.

Tools: Drain tray (20 L), Filter wrench, Spanners, Funnel, Gloves

1. Park on a level surface and stop the engine. Let it cool.
2. Raise the cargo bed and fit the safety support.
3. Remove the drain plug at the bottom of the transmission case and drain fully. Remove the magnet plug and clean off metal filings.
4. Refit both plugs and fill with UDT to the upper cross-hatched area on the dipstick.
5. Run the engine at medium speed for a few minutes before driving, then recheck the level.

Tools: Drain tray (10 L), Spanners, Funnel

1. Park on firm, flat, level ground and chock the wheels.
2. Axle case: turn back the rubber sheet, remove the drain and filling plugs, drain, refit the drain plug and fill to the upper dipstick line.
3. Knuckle cases: raise the front safely on stands and remove the wheel. Remove the drain and filling plugs on the left knuckle, drain, refit the drain plug and fill to the filling port level.
4. Repeat on the right side, refit the wheels and tighten the nuts to 108–130 N·m.

Tools: Drain tray, Spanners, Jack and axle stands, Wheel brace, Oil syringe

1. Kubota lists this as a dealer job.
2. Every 100 hours, check the filter is not clogged and the fuel line clamps are tight. Keep dust and water out when anything is opened.
3. No flames or smoking near fuel.

Tools: Container for fuel, Rags, Gloves

1. Have your Kubota dealer check and adjust the valve clearance with the engine cold.

Tools: Dealer job

1. Stop the engine and let it cool. Never remove the radiator cap hot; turn it to the first stop and let pressure escape.
2. Open the hood. Open the radiator drain plug and remove the radiator cap and engine coolant breather.
3. Close the drain plug, fill with water and cooling system cleaner, and follow the cleaner's directions.
4. Fill with 50/50 coolant and distilled water to just below the cap, refit the cap, fill the recovery tank to FULL and close the breather.
5. Run a few minutes, stop, let it cool and top up the recovery tank.
6. Wear rubber gloves. Antifreeze is poisonous and flammable; do not mix types.

Tools: Drain tray, Funnel, Gloves, Cooling system cleaner

1. Kubota lists the fluid change as a dealer job.
2. Every 200 hours: brake pedal free travel should be 8–18 mm and full stroke under 150 mm. If not, see your dealer.
3. Every 200 hours: remove the front brake case drain and air-bleed plugs and check for brake fluid leaks.
4. Every 200 hours: check the parking brake lever has one notch of free play and the brake light works.

Tools: Dealer job, Ruler for pedal checks