Part of the Kubota Operator Manuals.
This is the Kubota operator's manual for the RC54-71B and RC60-71B rotary mower decks that mount to a Kubota tractor. It is a 26-page reference delivered as a downloadable PDF you can read on a phone, tablet, or shop computer and print whenever you need a page out in the yard.
Inside you get the full setup and operating procedure: pre-assembly, mounting the mower to the tractor and removing it, front link and connecting rod adjustment, and how to get the best cut for your grass and ground conditions. It also carries the maintenance checklist, gear box oil service, greasing, a troubleshooting section, and winter storage instructions.
With it you can mount and adjust the deck correctly, keep the gear box and blades serviced, cure cutting problems like streaking and scalping, and store the mower properly over winter.
Complete the set for your RC54-71B, RC60-71B
- Parts Catalog: Kubota RC54-71B Tractor Mower Parts Catalog
- Parts Catalog: Kubota RC54-71B, RC60-71B Rotary Mower Parts Catalog
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Mower Safety Labels | 3 | Label 1 Part No 70720-4715-4 (Keep All Shields in Place, Stop Engine and Wait Until Blade Stops, Keep Hands, Feet and Clothing Away, Make Sure Area of Operation Is Clear, Stop Mower Blades When Crossing Gravel Drives) |
| Service | 7-8 | When in Need of Parts or of Service, Serial Number Is Located on the Right Side of the Deck, For Your Reference, Please Record the Serial Number |
| Setting Up | 9-13 | Pre-Assembly (Take Out All Mower Components) |
| Mounting to the Tractor | 14-15 | Mounting the Mower to the Tractor, Removal of the Mower |
| Mower Adjustments | 16-17 | Front Link and Connecting Rod (Park the Tractor on Level Ground, Adjust the Height of the Four Mower Gauge Wheels, If the Front Wheels Are Not on the Ground, Attach the Front Link to the Mower, Start the Engine, Raise the Tractor Lower Links, Adjust the Turnbuckles of the Left and Right Connecting Rods) |
| Operation | 18-19 | Making the Most of Your Mower (Choose a Smooth Level Area, Size and Type of the Area to Be Mowed, Always Keep the Left Side of the Mower Toward Trees, Most Lawns Should Be Mowed to Approximately 2 to 3 Inches, On Thick or Springy Grass or Soft Ground, For Best Appearance, Grass Should Be Cut, Remove the Front Bars or Cut Grass Twice) |
| Maintenance | 20-23 | Maintenance Check List (Anything Unusual in Previous Day's Operation, Oil Leakage Check, Make Sure Blade Capscrews Are Tight, Blade Wear Check, All Hardware Check, Make Sure All Pins Are in Place, Mower Deck Cleaning, Gear Box Oil Change, Gear Box Oil Check, Greasing, Gear Box Oil Seal Change) |
| Troubleshooting | 24 | Discharge Chute Plugged, Streaking of Grass Uncut, Uneven Cut, Blades Scalping Grass, Belt Slipping, Excessive Vibration, Mower Loads Down Tractor |
| Long-Term Storage | 25 | Winter Storage (Remove the Mower Deck Covers, Slacken Off the Drive Belt Tensioner, Clean All Pulleys and Wipe with a Dry Cloth, Clean All Grass and Dirt From the Mower Deck Top) |
| Contact Information | 26 | Kubota Tractor Corporation (Western Division, Central Division, Northern Division, Southeast Division, Engine Division) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| M10 Bolt Tightening Torque | 39.2~45.1 N-m (31.1±2.2 ft-lbs) | p. 23 |
| Gear Box Oil Capacity | 0.4 ℓ (0.42 qts.) | p. 20 |
| Gear box oil change interval | first 50 hrs, then every 150 hrs | p. 20 |
| Blade bolt torque | 10 to 12 kgf·m (72 to 87 ft-lbs) | p. 22 |
| Anti-sway link nuts torque | 7.9 to 9.2 kgf·m (57.1~66.5 ft-lbs) | p. 13 |
| Stud bolt torque (mid hanger brackets) | 2 to 3 kgf·m (14.5~21.7 ft-lbs) | p. 11 |
| Recommended cutting height | 2 in (50 mm) | p. 18 |
| RC54-71B | ||
| Connecting rod length, RC54-71B | 24.4 in. (620 mm) | p. 4 |
| Cutting width, RC54-71B | 54 in. (1372 mm) | p. 7 |
| Blade spindle speed | 3216 rpm (53.6 r/s) | p. 7 |
| RC60-71B | ||
| Connecting rod length, RC60-71B | 24.8 in. (630 mm) | p. 4 |
| Cutting width, RC60-71B | 60 in. (1524 mm) | p. 7 |
















