Part of the Kubota Operator Manuals.
This is the Kubota operator manual for the RCK60D-26BX and RCK54D-26BX drive-over mower decks, publication number K5384-7111-1. Its 45 pages take you from safe operation through setup, mounting the deck to the tractor, cutting adjustments, operation, and maintenance.
The manual gives the deck specifications, including cutting widths of 1524 mm (60 in.) for the RCK60D-26BX and 1372 mm (54 in.) for the RCK54D-26BX, a 25 to 102 mm cutting height range, and three blades. It also lays out the setup link lengths, the maintenance checklist, blade and belt replacement, and a tightening torque chart, plus a troubleshooting guide for cut quality and drive problems.
Use it to install and level the deck correctly, set the mower links, keep to the service schedule, and work through symptoms like scalping, vibration, or belt slip. Delivered as a downloadable, printable PDF.
Complete the set for your RCK60D-26BX, RCK54D-26BX
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | 3-6 | Before Operation (Operator, Machine, Blades and Equipment, Working Area), Maintenance and Storage, Danger |
| Service | 7 | Introduction, Specifications, Mower Terminology |
| Important | 12 | Adjust the Anti-Scalp Rollers and Wheels According to the Mowing Height, Before Attaching the Mower Links, Adjust Their Lengths According to the Table Below |
| Setting Up | 13-20 | Pre-Assembly, Setting Up the Mower, Mower Links, Set the Front Link and Hook Link, Frame Link, Attaching Front Link to the Tractor, Attaching the Frame Link |
| Mounting to the Tractor | 21-26 | Mounting the Mower to the Tractor (Adjust All the Anti-Scalp Rollers to the F Position, Unlock the Lever to Lift Up the Rear Anti-Scalp Roller, Pull the L-Pin and Extend the Ramps to Front and Rear Sides) |
| Mower Adjustments | 27-29 | Front Link (Park the Machine on a Firm, Flat and Level Surface and Set the Parking Brake, Tire Pressure Must Be Correct, Turn the Cutting Height Control Dial to 2.0, Make Sure the Level of the Mower Blades Is Adjusted As Shown Below, To Adjust L1, Loose 2 Nuts Then Turn 3 Nuts) |
| Operation | 30-34 | Making the Most of Your Mower, Cutting Height, Operating Mower, Using 3 Point Hitch Attachment or Front Loader, Dismounting the Mower From the Tractor |
| Maintenance | 35-40 | Maintenance Check List, Check and Maintenance (Gear Box Oil, Greasing.)), Blade Replacement, Belt Replacement, Tightening Torque Chart |
| Long-Term Storage | 41 | Remove the Mower Deck Covers, Loosen the Mower Drive Belt, Clean All Pulleys and Wipe with a Dry Cloth and Oil, Clean All Grass and Dirt From the Mower Deck |
| Troubleshooting | 42-43 | Discharge Cover Plugged, Streaking of Uncut Grass, Uneven Cut, Blades Scalping Grass, Belt Slipping, Excessive Vibration, Mower Loads Down Tractor |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Blade mounting bolt torque | 102.9 to 117.6 N-m (10.5 to 12 kgf-m, 75.9 to 86.8 ft-lbs.) | p. 39 |
| Belt replacement condition | Worn belt | p. 42 |
| Bracket bolts torque (related to belt replacement) | 77.6 to 90.2 N-m (8.0 to 9.2 kgf-m, 57.1 to 66.5 ft-lbs) | p. 39 |
| Spindle bearing replacement condition | Spindle bearing worn | p. 42 |
| Pulley replacement condition | Damaged pulleys | p. 42 |
| Anti-scalp roller clearance to ground | 6 mm to 13 mm (0.2 to 0.5 in.) | p. 30 |
| General bolt torque (7T, M14) | 123.6 to 147.0 N-m (12.6 to 15.0 kgf-m, 91.1 to 108.5 ft-lbs) | p. 40 |
| Front link joint nut torque | 60 to 70 N-m (6.2 to 7.1 kgf-m, 45 to 51 lbf-ft) | p. 15 |
| Engine overheating prevention | keep the radiator and radiator screen clean | p. 31 |
| Potential cause for burning smell/smoke from mower deck | Worn belt | p. 42 |
| RCK60D-26BX | ||
| Blade length, RCK60D-26BX | 523 mm (20.6 in.) | p. 8 |
| RCK54D-26BX | ||
| Blade length, RCK54D-26BX | 475 mm (18.7 in.) | p. 8 |
