Part of the Kubota Parts Manuals.
This is the Kubota RC54-G20 parts catalog, a 34-page PDF download covering the RC54-G20 mid-mount mower deck. It is an illustrated parts book that pairs exploded diagrams with numbered part lists and Kubota part numbers.The catalog is broken down by assembly: universal joint, gear box and center pulley, pulley holder and blade, side pulley and blade, tension pulley, mower deck, front and rear wheels, discharge cover, rear and front linkage, mower assist spring, and accessories and service parts. Each entry shows quantity and serial-number range so you can match parts to your deck.Owners and repair shops use it to identify driveline parts, spindle and gearbox components, the deck belt, idlers, blades, and the deck linkage, and to confirm which parts fit a given serial number before ordering RC54-G20 replacements.
What's Inside This Kubota RC54-G20 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Universal Joint | 4-5 | Universal Joint Assembly, Quick Yoke, PTO Yoke, Joint Shaft, Joint Yoke, Cross Joint Assembly, Grease Nipple, Snap Ring |
| Gear Box/Center Pulley | 6-8 | Bevel Gear Case Assembly, Pinion Shaft, Bevel Gear Kit, Shims, Ball Bearings, Oil Seal, LH/RH Bevel Case Stays |
| Pulley Holder/Blade | 9-11 | Pulley Holder, Center Pulley Holder, Ball Bearings, Oil Seal, Extension Pipe, Grease Nipple, Adjusting Shim, Blade Boss |
| Side Pulley/Blade | 12-13 | LH/RH Pulley Holders, LH/RH Blade Shafts, LH/RH Side Pulleys, Ball Bearings, Oil Seal, Grease Nipple, Holder Plate |
| Tension Pulley | 14-15 | Multi Belt, Tension Arm, Tension Collar, Tension Pulley Assembly, Tension Spring, Tension Cover, Grease Nipple |
| Mower Deck | 16-17 | LH Cover, RH Cover, LH/RH Front Bars, Caution Label, Cutting Height Label, Blade Name Plate |
| Front Wheel | 18-20 | Anti-Scalp Roller Assembly, Gauge Wheel Pin, LH/RH Brackets, Roller Stay, Bushings, Split Pins |
| Rear Wheel | 21-23 | LH/RH Rear Wheel Support Assemblies, Rear Wheel Stay, Grease Nipple, Collar, Split Pins |
| Discharge Cover | 24-25 | Chute Cover, Chute Stopper, Spring, Caution Label |
| Rear Linkage | 26-28 | LH/RH Rear Links, Hinge Pin, Hinge Pin Spring, Joint Pins, Lift Rod, Split Pins |
| Front Linkage | 29-31 | Front Link, Fulcrum Link Lever, Link Holder, Lever Grip, Hinge Pin, Snap Rings |
| Mower Assist Spring | 32-33 | Assist Spring Assembly, LH/RH Stays, LH/RH Levers, Lever Grip, Joint Pin, Snap Ring |
| Accessories and Service Parts | 34 | Manual Instruction Part |
Every system also includes interchangeability symbols and a part list table.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Belt Multi length | 110IN | p. 15 |
| Nipple Grease quantity | 2 | p. 5 |
| Shim thickness | 0.2MM | p. 8 |
Kubota RC54-G20 Common Problems This Manual Covers
Deck vibrates or grinds when engaged
Worn universal joint and driveline parts cause vibration and grinding as the deck spins. The universal joint section lists the yokes, cross joints, and snap rings that transmit power to the deck.
Manual Section: Universal Joint p. 4Broken or costly front deck link
The front deck link and its hardware can break or wear at the mounting points. The front linkage section identifies the link parts and pins that connect the deck to the tractor.
Manual Section: Front Linkage p. 29Belt slip or frequent belt replacement
A worn deck belt, misaligned pulleys, or idler wear cause slip and noise. The tension pulley section covers the multi belt and tensioner parts, with a belt length of 110 inches.
Manual Section: Tension Pulley p. 14Gearbox or spindle noise
Knocking or whining from the deck often traces to the bevel gear case or center pulley bearings. The gear box and center pulley section lists the case, shims, bearings, and seals.
Manual Section: Gear Box/Center Pulley p. 6Uneven cut or scalping
Worn deck hangers and linkage let the deck sit unevenly. The rear linkage section shows the mounting and adjustment parts to inspect.
Manual Section: Rear Linkage p. 26Worn or damaged blades
Dull or bent blades cut poorly and add vibration. The pulley holder and blade section identifies the blades and spindle-related holder parts.
Manual Section: Pulley Holder/Blade p. 9Frequently Asked Questions
Which mower deck does this catalog cover?
It covers the Kubota RC54-G20 mid-mount mower deck, listing its driveline, gearbox, pulleys, blades, wheels, and linkage parts.
Is this a parts catalog or a service manual?
It is a parts catalog. It gives exploded diagrams and part numbers for ordering replacements, not repair or troubleshooting procedures.
What deck belt length does it list?
The tension pulley section lists the multi belt with a length of 110 inches, along with the idler and tensioner parts. p. 14
Does it break down the gearbox parts?
Yes. The gear box and center pulley section lists the bevel gear case, shafts, shims, bearings, and seals with part numbers and serial ranges. p. 6
How quickly can I access this manual after buying?
This is a 34-page searchable PDF ready for immediate download. It works on any device, so you can pull it up on your phone while you're under the hood. No shipping, no waiting.
Can I print specific sections of this Kubota RC54-G20 Parts Catalog?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
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