The Kubota RTV 900 is a versatile utility vehicle designed for various applications, including farming, construction, and recreational use. To keep your RTV 900 running smoothly and efficiently, it’s essential to have access to the right parts and a comprehensive parts manual.

Kubota RTV 900 Parts

The Kubota RTV 900 is a well-built machine, but like any vehicle, it may require replacement parts over time. Here are some essential parts for the RTV 900:

• Windshield: A poly windshield is available as part of the 77700-V4409 cab components
  You can also find soft rear windshields and top kits from third-party manufacturers like Seizmik
• Tires: The RTV 900 typically comes with 25×10-12 front and 25×11-12 rear tires
  Octane Ridge offers a variety of Kubota RTV tires and other accessories
• Seat: The RTV 900 seat is designed for comfort and durability. If you need to replace the seat, you can find suitable options from various suppliers, including Kubota and third-party manufacturers.
• Oil Filter: The Kubota RTV 900 uses an oil filter to keep the engine oil clean and free from contaminants. You can find the appropriate oil filter for your RTV 900 from Kubota or other reputable suppliers.
• Battery: The RTV 900 requires a reliable battery to start the engine and power its electrical components. Ensure you choose a battery that meets the manufacturer’s specifications for your specific RTV 900 model.

Kubota RTV 900 Accessories

In addition to essential parts, there are various accessories available to enhance the functionality and comfort of your Kubota RTV 900. Some popular accessories include:

• Cab Components: The 77700-V4409 cab components package includes a poly windshield, among other items
  These components can also be purchased individually.
• Soft Top Kit: A soft top kit, such as the one offered by Seizmik, can provide protection from the elements while maintaining a best-in-class fit
• UTV Parts and Accessories: Octane Ridge offers a wide range of Kubota RTV parts and accessories, including windshields, roofs, and cargo boxes. You can find various options to suit your specific needs.

Kubota RTV 900 Parts Diagram and Manual

Understanding the layout and components of your Kubota RTV 900 is crucial for maintenance and repairs. You can refer to the parts diagram and manual to identify the specific parts you need and their corresponding part numbers. Here are some resources to help you access the parts diagram and manual for your RTV 900:

• Messicks: Messicks provides parts diagrams and manuals for various Kubota RTV models, including the RTV900G (General Purpose model 2004 – 2005) and the RTV-X900W (UV WORKSITE W)
  You can purchase these resources from their website.
• Kubota RTV Owners Manual: The Kubota RTV900 Owners Manual, part number K7561-71217, is another valuable resource for understanding your vehicle and its maintenance requirements

Kubota RTV 900 Transmission Problems and Fuse Box Location

While the Kubota RTV 900 is a reliable machine, some users have reported transmission problems and have had difficulty locating the fuse box. If you are experiencing transmission issues or need to access the fuse box, here are some tips:

• Transmission Problems: If you encounter transmission problems with your RTV 900, it is recommended to consult a qualified technician or contact your local Kubota dealer for assistance. They can diagnose the issue and provide the appropriate solution.
• Fuse Box Location: The fuse box on the Kubota RTV 900 is typically located under the driver’s seat. To access it, lift the seat and locate the fuse box cover. Remove the cover to access the fuses and relays.

Kubota RTV 900 Specs

It runs on a D902, 3 cylinder, 4 cycle, diesel, water cooled Kubota engine, with a displacement of approx 55 cu.in. It has a gross output of 21.5 hp, and a net output of 20.5 hp.

It has a liquid cooled cooling system with a pressurized radiator, an exhaust muffler with a spark arrestor, a paper air filter and  a replaceable treated paper element oil filter .

The different fluid capacities are : fuel capacity 8 gallons, a cooling system capacity of 4 quarts, an engine lubricant capacity of 3 quarts, atransmission oil capacity of 2.5 gallons and a brake system capacity of just under 0.5 quart.

The Kubota RTV 900 has hydrostatic power steering, with independentfront suspension, differential front axle lock, and a wet disc braking system.

The official dimensions include a height of 80 inches, a length of  120 inches, an overall width of 60 inches, a wheelbase of 80 inches and a weight of just over 1900 lbs.

The cargo box has a width of 57 inches, a depth of 11 inches, a height from ground of 35 inches and a capacity of of 15 cubic feet with a weight of 1100 lbs.

There are numerous safety features including standard rigid ROPS, 2 point retractable saet belts, parking brakes and two Halogen headlights

Kubota RTV 900 Parts Diagram

The most important element of an operators manual for many people are the diagrams that accompany the official manufacturers specifications. For the Kubota RTV 900 these are normally diagrams for the :

• Transmission Parts
• Rear Axle Parts
• Front Axle Parts

Kubota RTV 900 Parts Breakdown

The main parts that are often needed realate to the :

Engine

• Air cleaner
• Alternator
• Camshaft and idle gear shaft
• Cover
• Crankcase
• Cylinder head
• Dipstick and guide
• Exhaust manifold
• Fan
• Flywheel
• Fuel camshaft
• Gear case
• Governor
• Head cover
• Idle apparatus
• Injection pump
• Inlet manifold
• Lower gasket kit
• Main bearing case
• Muffler
• Nozzle holder
• Oil filter
• Oil pump
• Oil switch/thermometer
• Piston and crankshaft
• Speed control plate
• Starter
• Stop solenoid
• Kubota kit
• Valve and rocker arm
• Water flange and thermostat
• Water pump

Transmission

• Clutch shaft/output shaft
• Front wheel propeller shaft
• Countershaft
• Main shaft
• PTO counter shaft
• Reverse shaft
• Forward idle shaft
• GP idle shaft
• HST one – cylinder block
• HST two/arm
• HST 3/port block cover
• HST 4/oil cooler cover
• HST fan cover
• Mid PTO
• Propeller shaft
• PTO shaft
• Rear gear shaft
• Rear axle case
• Rear differential
• Transmission case

Steering

• Steering controller
• Steering cylinder/component parts
• Steering handle
• Manual steering
• Steering linkage
• Steering post
• Tilt pedal

Front Axle

• Differential gear shaft
• Bevel gear case
• Knuckle shaft
• Engine support
• Front axle
• Front axle case
• Front differential
• Front differential case
• Front drive shaft
• Front frame
• Subframe

Rear Axle

• Differential lock pedal
• Rear axle
• Rear differential
• Rear wheel
• Spiral bevel pinion

Electrical

• Alternator
• Fuel shutoff solenoid
• Hazard lamp
• Headlight assembly
• Headlight lens
• Keys
• Kubota battery
• Oil pressure switch
• Re-manufactured starter
• Safety switch, seat
• Starter assembly
• Starter switch and keys
• Tail lamp
• Timer relay
• Turn Signal Lamp

Clutch

• Center frame
• Bevel gear
• Clutch release fork
• Clutch rod
• Differential rear
• Driveshaft
• First shaft
• Input shaft
• PTO clutch
• PTO clutch valve
• PTO propellor shaft
• PTO shaft
• Rear axle case
• Second shaft
• Shift cover
• Shuttle dear case
• Shuttle shaft
• Transmission case
• Clutch
• Clutch lever
• Clutch pedal
• Clutch housing

Kubota RTV 900 Parts Manual PDF

The operator and service manual for the Kubota RTV900 is most easily accessed as a PDF document, and can be downloaded either from the main Kubota website, or from a number of other websites online, either as a free download or normally at a minimal cost

The manual is a crucial document in terms of advising both how to operate the rtv in a safe and efficient way, and at the same time keeping its operating parts running smoothly and effectively as possible

The Kubota parts diagrams that are part of the manual are important in helping anyone to fit or repair a replacement part, either as part of a routine service, or because the part has become defective.

The Kubota RTV900 PDF manual has a number of sections, which would normally cover the following areas of operation and servicing.

• Safe operation of vehicle
• Servicing of vehicle
• Specifications
• Instrument panel and controls
• Engine operation
• Starting the engine
• Coldweather starting
• Block heater
• Stopping the engine
• Warming up
• Jumpstarting
• Vehicle operation
• Starting, headlight switch
• Hazard light switch
• Work light (front)
• Worklight (rear)
• Brake pedal
• Range gear shift lever
• Parking brake lever
• Speed control panel
• Stopping
• Checks during driving
• Fuel gauge
• Coolant temperature gauge
• Parking
• Accessories
• 12 V electric outletthis
• Operating techniques
• Differential lock
• Directions for use of power steering
• Unfamiliar terrain
• Driving in reverse
• Driving in four-wheel-drive
• Turning the vehicle
• Hills
• Traversing hillsides
• Sliding and skidding
• Driving through water
• Operating hand throttle
• Stationery hydraulic outlet
• Cargo bed
• General caution
• Maximum cargo load
• Cargo bed tailgate
• Raising and lowering the cargo bed
• Hydraulic outlet
• Hydraulic outlet lever
• Hydraulic outlet valve coupler connecting and disconnecting
• Tires and wheels
• Towing and transportation
• Rear trailer hitch
• Front trailer hitch
• Winch Mount bracket
• Transporting vehicle
• Maintenance – service intervals and regular checks
• Storage
• Troubleshooting

Kubota RTV 900 Parts on Ebay

Buying parts on Ebay is a common feature of how many people keep their rtv running. The important thing is to check the serial number and have some idea of seller feedback, in case there are any problems, and the parts need returning.

What is an RTV

Some people get confused between different makes and models of what are commonly referred to as utv’s and rtv’s. There are basically two types of vehicle, an atv and a utv. Kubota make their own utv which they refer to as an rtv.

Different types of RTV parts

Aftermarket – New parts made by an alternative manufacturer which are normally almost identical to manufcaturers parts, but often considerably cheaper.

Manufacturer parts – Specific parts made by Kubota, often referred to as OEM Parts, often normally required to be fitted to comply with terms of any warranty in place.

Salvage Parts – used parts that are normally taken from a used rtv that either no longer works, or has run its lifetime, but certain parts are still useable.

Kubota rtv 900 rear axle parts diagram
Kubota rtv 900 front axle parts diagram
Kubota rtv 900 transmission parts diagram
Kubota rtv 900 front drive shaft parts

The towing capacity of a Kubota RTV 900 is typically around 1300 lbs (590 kg)

How to install engine heater in a Kubota RTV 900

Installing an engine heater in a Kubota RTV 900 can be a helpful addition, especially if you live in a cold climate. An engine heater can help with cold starts and prevent damage to the engine during extreme cold conditions. Here are the general steps to install an engine heater in a Kubota RTV 900:

Please note: It’s essential to refer to your specific engine heater’s installation instructions, as they may vary depending on the brand and model of the engine heater you are using.

Tools and materials you may need:

1. Engine heater (block heater or oil pan heater)
2. Screwdriver or wrench set
3. Pliers
4. Wire cutters and crimping tool
5. Electrical tape
6. Extension cord (if not included with the engine heater)
7. Antifreeze
8. Funnel

Installation Steps:

1. Prepare the vehicle: Ensure that your Kubota RTV 900 is parked on a level surface, and the engine is cold. Safety first: disconnect the battery’s negative terminal to prevent electrical accidents during installation.
2. Locate the frost plug or oil pan: Depending on the type of engine heater you have (block heater or oil pan heater), identify the appropriate location on the engine block or oil pan to install the heater. Refer to your engine heater’s instructions for specific guidance.
3. Drain coolant (if needed): If you’re installing a block heater that requires you to remove a frost plug, you may need to drain some coolant from the engine. Use a funnel and container to collect the coolant, and remember to dispose of it safely. Be prepared to replace the coolant later.
4. Install the engine heater: Follow the manufacturer’s instructions for your specific engine heater model to install it correctly. Typically, this involves removing a frost plug or oil pan drain plug and replacing it with the engine heater. Use the appropriate tools for this task.
5. Electrical connections: Connect the electrical cord or wire from the engine heater to a power source. If your engine heater didn’t come with an electrical cord or plug, you may need to purchase one separately and wire it according to the manufacturer’s instructions.
6. Insulate the connections: Use electrical tape to insulate and protect the electrical connections. This is crucial to prevent water and moisture from causing electrical issues.
7. Refill coolant (if needed): If you had to drain coolant during the installation, refill the engine’s coolant system to the recommended level. Make sure the radiator cap is securely closed.
8. Reconnect the battery: Reconnect the negative terminal of the battery.
9. Test the engine heater: Plug in the engine heater to an appropriate power source (usually a standard electrical outlet) and test it to ensure it’s working correctly.
10. Monitor for leaks: Keep an eye out for any coolant or oil leaks in the days following the installation. If you notice any leaks, address them immediately.
11. Secure loose wires: Use zip ties or clamps to secure any loose wires or cords away from moving parts and hot surfaces.
12. Regular maintenance: Periodically check the engine heater and electrical connections to ensure they are in good condition. Replace any damaged components as needed.

How to replace u joints in a Kubota RTV 900

Replacing the U-joints in a Kubota RTV 900 can be a bit of a process, but it’s manageable if you have some mechanical experience and the right tools. U-joints are critical components of the driveshaft, responsible for transmitting power from the transmission to the wheels. Here’s a general guide on how to replace U-joints in a Kubota RTV 900:

Tools and Materials Needed:

1. Jack and jack stands or vehicle lift
2. Wrenches and sockets (appropriate sizes for your vehicle)
3. Pliers
4. Screwdriver
5. Hammer
6. Replacement U-joints
7. Grease gun and grease
8. Torque wrench
9. Safety glasses and gloves

Steps:

1. Safety First: Park your RTV on a level surface, engage the parking brake, and disconnect the battery to prevent any accidental starts.
2. Access the Driveshaft: Locate the driveshaft that needs the U-joint replacement. You may need to remove some panels or parts to access the driveshaft.
3. Support the RTV: Lift the rear wheels of the RTV off the ground using a jack and secure it with jack stands or on a vehicle lift. Ensure the vehicle is stable and won’t move during the repair.
4. Mark the Driveshaft: Mark the position of the driveshaft and the U-joint flanges for reassembly. This ensures proper alignment during reinstallation.
5. Remove Retaining Clips: On each side of the U-joint, you’ll find retaining clips (usually circlips or snap rings). Use pliers to remove these clips. Be careful not to lose them, as you’ll need them for the new U-joint.
6. Press or Tap Out the Old U-joint: Depending on your specific RTV model, you may need to use a press or tap out the old U-joint from the driveshaft yoke. If using a hammer and socket, place the socket on the U-joint cap and gently tap it out. Ensure that you support the driveshaft to avoid damaging it.
7. Install the New U-joint: Carefully press or tap the new U-joint into the driveshaft yoke. Make sure it’s properly seated.
8. Secure with Retaining Clips: Slide the retaining clips back into their grooves to secure the U-joint in place. Ensure they are fully engaged.
9. Grease the U-joint: Use a grease gun to lubricate the new U-joint. Apply grease until you see it starting to come out of the seals, which indicates that the joint is adequately lubricated.
10. Reassemble: Align the marks you made earlier and reattach the driveshaft to the transmission and differential. Tighten the bolts to the manufacturer’s specifications using a torque wrench.
11. Lower the RTV: Carefully lower the vehicle back to the ground using the jack.
12. Reconnect the Battery: Reconnect the battery and test drive the RTV to ensure the U-joint replacement was successful.

Please note that this is a general guide, and specific procedures may vary depending on your Kubota RTV 900 model and year. Always consult your vehicle’s service manual for detailed instructions and torque specifications, and if you’re not comfortable with these procedures, consider seeking assistance from a qualified mechanic. Safety should be your top priority during any automotive repair.

How to remove the injection pump on a Kubota RTV 900

Removing the injection pump on a Kubota RTV 900 can be a complex and involved process, and it’s important to follow the manufacturer’s guidelines and consult a service manual for your specific model to ensure you do it correctly. Below is a general guide on how to remove the injection pump, but keep in mind that your specific RTV 900 model may have variations, so consult the manual for precise instructions.

Warning: Working on the fuel injection system can be dangerous, as it involves high-pressure fuel. Ensure safety precautions are taken, and follow all safety guidelines provided in the service manual.

Here’s a general outline of the process:

Tools and Equipment:

• Service manual for your Kubota RTV 900
• Appropriate wrenches and sockets
• Clean rags or towels
• A container for draining fuel
• New gaskets and seals (if required)
• A torque wrench (for reinstallation)

Steps:

1. Safety Precautions: Ensure the vehicle is on a level surface, and disconnect the battery to prevent accidental starting.
2. Drain Fuel: Using a container, carefully drain the fuel from the fuel tank or the injection pump’s fuel lines to reduce the risk of fuel spills.
3. Access: Access the injection pump by removing any necessary components in your specific model, such as the air filter assembly, fuel lines, and any other obstructions that may be in the way.
4. Disconnect Fuel Lines: Carefully disconnect the fuel lines from the injection pump. Be prepared for some fuel spillage.
5. Remove Mounting Bolts: Locate and remove the mounting bolts that secure the injection pump to the engine. Depending on your model, there may be multiple bolts. Make sure to keep track of their positions as they might have different sizes and lengths.
6. Remove the Injection Pump: Gently pull the injection pump away from the engine, taking care not to damage any components. You may need to use a suitable pry tool if the pump is stuck due to gasket sealant or corrosion.
7. Seal Replacement: If your service manual recommends it or if you notice any damaged gaskets or seals during removal, replace them with new ones.
8. Inspect and Clean: Inspect the injection pump and the mounting area for any signs of damage or wear. Clean the mounting surface thoroughly to ensure a good seal when reinstalling.
9. Reinstallation: Carefully reinstall the injection pump in the reverse order of removal. Torque the mounting bolts to the manufacturer’s specifications.
10. Reconnect Fuel Lines: Reconnect the fuel lines to the injection pump.
11. Refill Fuel: Replenish the fuel supply, ensuring there are no air bubbles in the fuel lines.
12. Bleed the Fuel System: Follow your service manual’s instructions to bleed any air from the fuel system. This is crucial to ensure proper fuel delivery and prevent engine damage.
13. Test Run: Reconnect the battery and start the engine. Check for any fuel leaks or unusual noises. Monitor the engine’s performance for a while to ensure everything is functioning correctly.
14. Final Checks: Double-check all connections and fasteners, and make sure the vehicle is running smoothly.

Remember that this is a general guideline, and the specific steps and precautions may vary depending on the model and year of your Kubota RTV 900. Always consult your service manual for precise instructions and safety information. If you’re not comfortable performing this procedure, it’s advisable to seek the help of a qualified mechanic or technician.

Kubota RTV 900 Injection Pump

Common issues with the injection pump on a Kubota RTV 900 include:

• Lift pump failure: The lift pump is responsible for supplying fuel to the injection pump. If the lift pump fails, the injection pump may not receive enough fuel, leading to starting issues or loss of power
• Injector problems: Injectors can become clogged or worn over time, affecting the fuel delivery and engine performance. Symptoms of injector issues include hard starting, loss of power, or black smoke from the exhaust
• Injection pump failure: The injection pump itself can fail due to wear, debris, or other internal issues. This can result in a loss of power, hard starting, or other performance problems
• Air in the fuel system: Air can enter the fuel system, causing starting issues and loss of power. Bleeding the air from the system may be necessary to resolve the problem
• Loose or missing screws: In some cases, the injection pump may have loose or missing screws, which can cause fuel leaks or other issues. Replacing or tightening these screws may be necessary

How to replace power steering hose on a Kubota RTV 900

Replacing a power steering hose on a Kubota RTV 900 can be a moderately challenging task, and it’s important to follow safety precautions and consult your Kubota RTV 900’s service manual for specific instructions. Here’s a general guide on how to replace the power steering hose:

Tools and Materials Needed:

1. Service manual for your Kubota RTV 900 (for specific instructions)
2. Safety goggles and gloves
3. Wrenches (usually metric)
4. Socket set
5. Pliers
6. Replacement power steering hose
7. Hydraulic fluid
8. Drain pan
9. Jack and jack stands (if needed)

Steps:

1. Safety Precautions:
   • Park the RTV 900 on a flat, level surface.
   • Turn off the engine and remove the key.
   • Disconnect the battery to prevent accidental starting.
2. Locate the Power Steering Hose:
   • Consult your service manual to identify the power steering hose’s location.
   • The hose will connect to the power steering pump and the steering gear.
3. Drain Hydraulic Fluid:
   • Place a drain pan under the power steering system.
   • Loosen the fittings on both ends of the power steering hose.
   • Allow the hydraulic fluid to drain into the pan.
4. Remove the Old Hose:
   • Use the appropriate wrenches and pliers to disconnect the hose from the pump and steering gear.
   • Carefully remove the old hose from the RTV.
5. Install the New Hose:
   • Install the new power steering hose in the reverse order of removal, ensuring it is properly routed and secured.
   • Hand-tighten the fittings initially to avoid cross-threading, then use wrenches to secure them snugly.
   • Be careful not to overtighten, as this could damage the fittings or the hose.
6. Refill with Hydraulic Fluid:
   • Fill the power steering reservoir with the recommended hydraulic fluid, typically specified in your service manual.
   • Start the engine and turn the steering wheel from lock to lock to bleed air from the system.
   • Check the fluid level and top up if necessary.
7. Check for Leaks:
   • With the engine running, inspect the connections for any leaks.
   • If you notice any leaks, shut off the engine and tighten the fittings as needed.
8. Reconnect the Battery:
   • Reconnect the battery cables.
9. Test the Power Steering:
   • Start the engine and test the power steering system by turning the steering wheel to ensure it operates smoothly.
10. Clean Up:
    • Clean up any spilled hydraulic fluid and dispose of it properly.
11. Dispose of Old Parts:
    • Dispose of the old power steering hose and any other components in an environmentally responsible manner.
12. Documentation:
    • Keep a record of the maintenance, including the date, parts used, and any additional notes.

Always refer to your Kubota RTV 900’s specific service manual for detailed instructions and torque specifications. If you’re uncomfortable performing this task yourself, it’s advisable to seek assistance from a qualified mechanic or technician.

How to disengage Hydrostatic Transmission on a Kubota RTV 900

The Kubota RTV 900 typically features a hydrostatic transmission that provides variable speed control without the need for shifting gears. To disengage the hydrostatic transmission, follow these steps:

Note: Disengaging the hydrostatic transmission essentially means putting the RTV into a neutral state, allowing it to roll freely without power from the transmission. Ensure your RTV is on a level surface and the parking brake is engaged before attempting this.

1. Turn Off the Engine:
   • Ensure the RTV’s engine is turned off.
2. Release the Parking Brake:
   • If it’s not already disengaged, release the parking brake to allow the RTV to move freely.
3. Locate the Forward/Reverse Pedal:
   • In most Kubota RTV models, you will find a pedal that controls both forward and reverse movement. This pedal is often located to the right of the driver’s seat.
4. Depress the Pedal Gently:
   • With the engine off and the parking brake released, gently depress the forward/reverse pedal.
   • This will disengage the hydrostatic transmission and allow the RTV to move freely.
5. Roll the RTV:
   • With the pedal depressed, you should be able to manually push or roll the RTV to your desired location.
6. Return the Pedal to Neutral:
   • Once you’ve moved the RTV to its desired location, release the forward/reverse pedal, allowing it to return to its neutral position.
7. Engage the Parking Brake:
   • After returning the pedal to neutral, engage the parking brake to prevent the RTV from rolling.
8. Start the Engine:
   • If needed, start the engine to resume normal operation of the hydrostatic transmission.

Remember that disengaging the hydrostatic transmission should only be done when necessary and under appropriate conditions. Be cautious when manually moving the RTV, especially on slopes or uneven terrain, as it may be difficult to control without the transmission engaged. Always follow safety guidelines and exercise caution to prevent accidents.

Please note that the operation of specific RTV models may vary, so refer to your RTV 900’s operator’s manual for detailed instructions related to your specific machine.