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.
What's Inside This Kubota RCK60D-26BX, RCK54D-26BX 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 | 523 mm (20.6 in.) | p. 8 |
| RCK54D-26BX | ||
| Blade length | 475 mm (18.7 in.) | p. 8 |
Kubota RCK60D-26BX, RCK54D-26BX Common Problems This Manual Covers
Deck will not mount or fully engage
Trouble driving over and latching the deck usually comes from setup or attachment sequence. The mounting section covers adjusting the anti-scalp rollers, extending the ramps, and locking the deck to the tractor.
Manual Section: Mounting To The Tractor p. 21Uneven cut or scalping
Scalping and uneven cut often trace to deck leveling and link length. The mower adjustments section sets the front link and side to side level of the blades to the correct height.
Manual Section: Mower Adjustments p. 27Excessive vibration or deck shaking
Heavy vibration points to loose or damaged blades, missing hardware, or debris in the deck. The troubleshooting section lists excessive vibration among its symptoms and remedies.
Manual Section: Troubleshooting p. 42Belt slips or blades stop under load
Belt slip and blades stalling under load are covered directly. The troubleshooting section addresses belt slipping and a mower that loads down the tractor.
Manual Section: Troubleshooting p. 42Burning smell or smoke from the deck
A burning smell often comes from a worn belt or packed grass. The troubleshooting section ties belt slipping and deck buildup to these symptoms so you can find the cause.
Manual Section: Troubleshooting p. 42Worn blades or drive belt
Dull or worn blades and a worn belt need periodic replacement. The maintenance section covers blade and belt replacement with the tightening torque chart, including blade bolts at 102.9 to 117.6 N-m.
Manual Section: Maintenance p. 35Frequently Asked Questions
Which mower decks does this manual cover?
It covers the Kubota RCK60D-26BX and RCK54D-26BX drive-over mower decks under publication number K5384-7111-1.
What are the cutting widths?
The RCK60D-26BX cuts 1524 mm (60 in.) and the RCK54D-26BX cuts 1372 mm (54 in.), both with three blades and a 25 to 102 mm cutting height range. p. 7
What is the blade bolt torque?
The maintenance section and tightening torque chart specify blade bolts at 102.9 to 117.6 N-m (75.9 to 86.8 ft-lbs.). Belt bracket bolts are 77.6 to 90.2 N-m. p. 35
Does it explain removing the drive-over deck?
Yes. The operation section covers dismounting the mower from the tractor, along with using it with a three point hitch attachment or front loader. p. 30
What do I get after purchasing this Kubota RCK60D-26BX manual?
The download is instant: the full 45-page searchable Operator Manual lands in your hands right after payment. Open it on a laptop, tablet, or phone out in the shop.
Are there any print restrictions on this manual?
Yes. Print as many copies as you like; there are no restrictions. Plenty of mechanics print just the section they need and carry it to the shop floor.
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