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Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B – view 2
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B – view 3
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B – view 4
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B – product video
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B – view 2
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B – view 3
Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B – view 4

Gearbox Gearset Gear Kubota K5763-33320 RCK60 24B 27B 29B 30B 32 22BX 24G 75B

Sold out
$ 439.97
$ 439.97 - $ 439.97
$ 439.97
$ 413.57
$ 413.57 - $ 413.57
$ 413.57
Aftermarket replacement part

Direct buying discount applied. Prices on our site are lower than our marketplace listings to reflect the absence of third-party platform fees.

The crossed-out price is our current listing for this item on those marketplaces — not a former flipmfg.com price.

Replaces OEM:

  • K5763-33320
  • K5371-33320
  • K5763-33330

Will this fit your machine?

Use the full model on your equipment or deck tag. Compare the parts and fitment details below, or text us a photo and we’ll help.

Models this fits (48)

Show 32 more models

Not sure? Start a guided fitment text to 903-320-4519 — we'll verify for free.

Mention part 703439 in your text so we know which one you mean.

Availability:
Out of stock
Free standard shipping · contiguous U.S.
Estimated standard delivery: See delivery information at checkout

Our standard 3–7 business-day transit estimate applies to in-stock items after dispatch.

Delivery details

Standard shipping is free within the contiguous U.S. The estimated delivery range uses our standard 3–7 business-day transit time after dispatch, with weekends and U.S. postal holidays excluded. Delivery varies by destination. It is not a guaranteed delivery date.

Need it sooner? Expedited options and prices are available at checkout. Shipping policy

Shipments to Canada require additional shipping costs with extended delivery times.

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Before you order

Find the right fit.

Start with your equipment tag and the original part number. If you’d like a hand, send us a photo and we’ll help.

Part information

Product details.

See what comes with this part and the details that help you choose the right version.

Replace worn gears in your Kubota mower-deck gearbox with FLIP 703439, an aftermarket replacement. Use the gearset reference and the full deck model to choose the right version.

What’s included

  • Replacement gearsetFLIP 7034391 set

Plan your repair

Bearings, seals, shafts, pulleys and complete gearboxes are separate repair options.

FLIP SKU
703439
Part type
Gearset
OEM replacement reference
K5763-33320

A good fit starts here

Start with the full model on your mower deck tag, then compare the original part number and gearbox version. Send us a photo if you’d like help choosing the right part.

  • Listed deck families include both RCK60 and RCK72 models. Use the exact RCK model on the deck tag.
  • If the gearbox leaked or locked up, check the bearings and seals as part of the repair.

Getting ready to install

Inspect the bearings and seals while replacing the gears. Your deck service manual provides the bearing, shim and gear setup procedure, along with the lubricant and fill level.

View gearbox and service part references

Use these numbers to identify the gearbox family and listed service parts.

  • K5763-33320
  • K5371-33320
  • K5763-33330

Need a hand? Text 903-320-4519 with FLIP 703439 and a photo of your equipment tag or original part. We’ll help you find the right match.

Aftermarket replacement part. Not affiliated with or endorsed by the original equipment manufacturer.

Product questions

Answers for this part.

What comes with FLIP 703439?
1 set × Replacement gearset (FLIP 703439) — K5763-33320. Bearings, seals, shafts, pulleys and complete gearboxes are separate repair options.
How can I check the right gearbox version?
Start with the full model on your mower deck tag, then compare the original part number and gearbox version. Send us a photo if you’d like help choosing the right part. Listed deck families include both RCK60 and RCK72 models. Use the exact RCK model on the deck tag. If the gearbox leaked or locked up, check the bearings and seals as part of the repair.
What should I check during installation?
Inspect the bearings and seals while replacing the gears. Your deck service manual provides the bearing, shim and gear setup procedure, along with the lubricant and fill level.
Should I check the bearings and seals when replacing the gears?
Yes. It’s a good time to inspect the bearings and seals, especially if the gearbox leaked, lost oil or locked up. Matching service kits, where available, are shown with the repair options.
Does this gearset cover both 60-inch and 72-inch deck families?
The application list includes both RCK60 and RCK72 deck families. Check the full RCK model on your deck tag and match the gearset reference to choose the right version.

Parts for your repair

Other repair options

Choose the parts that suit your repair. Open each option to check its deck model and included parts.

Complete gearbox · FLIP 703033

Gearbox K5677-33104

Replace the gearbox as an assembly.

Check the listed deck model, shafts and mounting details. Add 80W gear oil before first use.

$ 1,249.23 · In stock

View part details →

Bearing and seal kit · FLIP 704337

RCK60B-23BX service kit

Service kit for RCK60B-23BX / RCK60B-75B / RCK60B-22BX.

Compare the bearings, seals and hardware with the parts in your gearbox.

$ 183.27 · In stock

View part details →
See 8 more repair options

Bearing and seal kit · FLIP 704344

RCK60-24B service kit

Service kit for RCK60-24B / RCK60-27B / RCK60-30B.

RCK60-24B: below serial 45149; RCK60-27B(A): below 29999; RCK60-30B(A): below 12786.

$ 183.27 · In stock

View part details →

Bearing and seal kit · FLIP 707734

RCK72-F36 service kit

Service kit for RCK72-F36.

Compare the original parts; RCK72-F36 fitment for the related gearset and complete gearbox needs our help to verify.

$ 183.27 · In stock

View part details →

Customer reviews

Reviews for this part.

Read verified feedback, installation notes, and customer photos from this exact listing.

Before you order

Three details beat a hundred guesses.

Use the information on this page to verify the part before checkout.

1

Match the stamped number

Compare the OEM number, replacement number, or FLIP SKU shown above.

2

Confirm model and serial range

Check the model list and any serial number notes in the product details.

3

Get help when something is unclear

Share the model, serial number, and a photo. A Texas-based team member will help.

Ask about this part Read the fitment guide →