This Kubota Operator's Manual covers the T2090BR-AU, T2290KW-AU, and T2290KWT-AU lawn tractors, powered by the GH660V and GH739V-3 engines. It is the factory operator's manual, publication K1029-7121-4, running 78 pages for owners who operate and maintain these machines.
Inside you get safe operating procedures, the full specification table, the instrument panel and control layout, engine and machine operation, mower mounting, and cutting-height adjustment. A complete maintenance schedule lays out service intervals for each of the three models.
The manual also walks through periodic service, mower deck leveling, tightening torque values, seasonal storage, and a troubleshooting chart for the engine, battery, machine, and mower. Whether you are checking oil capacities, setting tire pressures, or chasing a no-start, this PDF gives you the numbers and steps Kubota built for these tractors.
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | 8-17 | General, BEFORE OPERATING THE MACHINE, OPERATING THE MACHINE, Working the Machine, Pulling Loads, Operating on Slopes, Safety for Children, Operators, Age 60 Years and Older, Stopping the Machine, TRA |
| Servicing of Machine | 18-19 | Product Identification Numbers, Warranty, Scrapping the Machine and Its Procedure |
| Specifications | 20-21 | Specification Table (Engine, Capacities, Machine, Brake, Tires, Dimensions, Weight) |
| Instrument Panel and Controls | 22-23 | Instrument Panel, Switches and Controls, Mower (Throttle Lever and Choke Knob, Key Switch), RCK42P Mower Diagram, RCK48P Mower Diagram (Cold Weather Starting), Stopping the Engine |
| Mower Mounting | 24 | Attaching the Mower (Mounting the Mower Deck), Mower Deck, Dismounting the Mower Deck (Pro Commercial Deck) |
| Operating the Engine | 25-29 | Starting the Engine, Stopping the Engine, Checking Safety Systems, Check While Operating the Engine, Warming Up the Engine, Jump Starting |
| Operating the Machine | 30-34 | Stopping The Machine, Check During Driving, Hour Meter, Parking The Machine, Transporting The Machine, Hydrostatic Transaxle Bypass Rod, Mowing Tips, Adjusting The Cutting Height |
| Operating the Mower | 35-38 | Mowing Tips, Adjusting the Cutting Height |
| Maintenance | 39-44 | Service Intervals (T2090BR Service Interval Table, T2290KW, T2290KWT Service Interval Table) |
| Periodic Service | 45-66 | Open the Hood (Engine Cover), Daily Check (Checking: Engine Oil Level, Amount of Fuel and Refueling), Lubricants and Fuel (Checking Cooling Air Intake Screen) |
| Adjustment | 67-71 | Mower Deck Level (Anti-Scalp Rollers, Leveling the Mower Deck), Tightening Torque Chart |
| Storage | 72 | Storing the Machine, Removing the Mower From Storage |
| Troubleshooting | 73-76 | Engine Troubleshooting, Battery Troubleshooting, Machine Troubleshooting, Mower Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| General bolt tightening torque (M8, No mark) | 19.2 ± 1.4 N·m | p. 71 |
| Mower blade bolt tightening torque | 103 to 118 N·m (76 to 87 lbf·ft) | p. 65 |
| Fuel Tank Capacity | 13.6 L (3.6 U.S.gals.) | p. 20 |
| PTO Revolution Speed | 3450 rpm | p. 20 |
| Mower Blade Mounting Bolt Torque | 103 to 118 N·m (76 to 87 lbf·ft) | p. 65 |
| Spark Plug Gap | 0.76 mm (0.03 in.) | p. 54 |
| Electric Clutch Air Gap | 0.4 mm (0.015 in.) | p. 58 |
| Front Tire Pressure (cold) | 100 kPa (14 psi, 1.0 kgf/cm²) | p. 50 |
| T2090BR-AU | ||
| Engine Oil Capacity, T2090BR-AU | 1.9 L (2.0 U.S.qts.) | p. 43 |
| Hydrostatic Transmission Case Capacity, T2090BR-AU | 2.0 L (2.1 U.S.qts.) | p. 20 |
| T2290KW-AU, T2290KWT-AU | ||
| Engine Oil Capacity (T2290KW-AU, T2290KWT-AU) | 2.1 L (2.2 U.S.qts.) | p. 43 |
| Hydrostatic Transmission Case Capacity (T2290KW-AU, T2290KWT-AU) | 2.75 L (2.9 U.S.qts.) | p. 20 |







