Part of the Kubota Parts Manuals.
This is the factory parts catalog for the Kubota RC54-71B mower deck, a mid-mount unit built for Kubota compact tractors. Across 29 pages it breaks the deck down into exploded diagrams with reference numbers, Kubota part numbers, quantities, and serial number ranges, so you can identify the exact component before ordering.The catalog covers every subassembly on the deck: the universal joint and PTO driveline, the bevel gear box and center pulley, the pulley holders, the blades, the tension pulley and drive belt, the mower deck shell, the wheels, the linkage, the discharge cover, and the lift arm and lift linkage that raise and lower the deck.Whether you are rebuilding a worn spindle, chasing a thrown belt, or ordering blades and grease fittings, the diagrams let you match parts to your machine and avoid the wrong number guesswork common with RC54-B versus RC54-71B parts.
What's Inside This Kubota RC54-71B Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Universal Joint | 4-5 | Universal Assy Joint, Quick Yoke, PTO Yoke, Joint Shaft, Joint Yoke, Cross Assy Joint, Snap Ring, Grease Nipple |
| Gear Box/Center Pulley | 6-7 | Bevel Gear Assy Case, Pinion Shaft, Bevel Kit Gear, Oil Seal, O Ring, Bevel Case Cover, Center Assy Pulley, Bevel Gear Shaft |
| Pulley Holder/Blade | 8-9 | Pulley Center Holder, Oil Seal, Extension Pipe, Grease Nipple, Blade Boss, Blade, Blade Retainer, Blade Boss Joint |
| Side Pulley/Blade | 10-11 | Pulley LH Holder, Pulley RH Holder, Plate, Blade RH Shaft, Blade LH Shaft, Oil Seal, Grease Nipple, Side RH Pulley |
| Tension Pulley | 12-13 | Multi Inch Belt, Tension Arm, Bush, Tension Collar, Tension Assy Pulley, Grease Nipple, Tension Spring |
| Mower Deck | 14-15 | Blade Label, Blade Name Plate, Front LH Bar, Front RH Bar, LH Cover, RH Cover, Caution Label |
| Wheel | 16-17 | Front Wheel, Bush, Front Wheel LH Stay, LH Stay, Front Wheel RH Stay, Grease Nipple, Collar, Wheel Shaft |
| Linkage | 18-19 | LH Bracket, RH Bracket, Anti-Sca Assy Roller, Bush, LH Stay, Stay, Hinge Pin Spring, Link Fulcrum Lever |
| Discharge Cover | 20-21 | Assy Roll.anti-scalp, Bush, Chute Cover, Caution Label, Chute Stopper, Spring |
| Lift Linkage | 22-23 | Front LH Stay, Front RH Stay, Rear LH Stay, Rear RH Stay, Lift LH Fulcrum, Lift RH Fulcrum, Bush, Support |
| Rear Linkage | 24-25 | Rear LH Link, Rear RH Link, Hinge Pin Spring, Link, Bar |
| Lift Arm | 26-28 | Rod, Turnbuckle, Lift LH Arm, Lift RH Arm, Collar |
| Accessories and Service Parts | 29 | Instruction Manual, Kit Blade, Bolt |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Belt, Multi Length | 110 INCH | p. 13 |
| Shim Thickness (Gear Box) | 0.2MM | p. 7 |
| Mower Deck Weight | 50 kgf | p. 15 |
| Front Wheel Weight | 1.8 kgf | p. 17 |
| Blade Kit Weight | 4.38 kgf | p. 29 |
| Blade Weight | 1.45 kgf | p. 9 |
Kubota RC54-71B Common Problems This Manual Covers
Deck throws its drive belt
Owners of the RC54-71B report the drive belt jumping off during mowing. A worn belt, a weak tension arm spring, or a damaged idler pulley are the usual causes, all detailed in the tension pulley diagram.
Manual Section: Tension Pulley p. 12Uneven cut or streaking
Streaks or an uncut strip usually trace to worn or bent blades and their mounting hardware. This section identifies the side blades, holders, and spindles so you can order the right replacements.
Manual Section: Side Pulley/Blade p. 10Spindle bearing wear and vibration
Rough running or vibration from the deck often means a worn spindle bearing or oil seal in the center pulley holder. The exploded view lists the bearings and seals needed for a rebuild.
Manual Section: Pulley Holder/Blade p. 8Bevel gear box noise
A whining or notchy gear box points to worn bevel gears, bearings, or low lubrication. This diagram breaks down the case, pinion shaft, gear kit, and shims.
Manual Section: Gear Box/Center Pulley p. 6Scalping or uneven deck height
Scalping and stepped cutting come from an unlevel deck or a damaged shell. The mower deck section covers the deck, its mounting, and the related hardware for leveling and repair.
Manual Section: Mower Deck p. 14Weak deck lift after reassembly
If the deck raises poorly after service, a misassembled lift linkage or a worn pivot is often to blame. This section maps the fulcrums, stays, and arms of the lift mechanism.
Manual Section: Lift Linkage p. 22Frequently Asked Questions
Which machine does this manual cover?
It is the factory parts catalog for the Kubota RC54-71B mower deck, a 29 page document with exploded diagrams and Kubota part numbers for that specific unit.
Does it include part numbers and exploded diagrams?
Yes. Every section pairs an exploded illustration with reference numbers, Kubota part numbers, quantities, and serial number ranges, so you can identify and order the exact component.
What drive belt does the deck use?
The tension pulley section lists the multi belt at 110 inches, along with the tension arm, idler, and collars that route it. p. 12
Can I identify the blades and spindle parts?
Yes. The pulley holder and blade section breaks down the center spindle, bearings, oil seals, and blade so you can match wear parts to your deck. p. 8
Is this Kubota RC54-71B Parts Catalog a digital download?
Yes. The full 29-page searchable Parts Catalog downloads the moment your payment clears, ready to open on a laptop, tablet, or phone right at the workbench.
Can I print specific sections of this Kubota RC54-71B Parts Catalog?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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