• 1280 Dunbier Knott Gears and Pins Replacement Kit | Marine Trailer Part
  • 1280 Dunbier Knott Gears and Pins Replacement Kit | Marine Trailer Part - photo 2 of 2
1 2

1280 Dunbier Knott Gears and Pins Replacement Kit | Marine Trailer Part

1280 Dunbier Knott Gears and Pins Replacement Kit | Marine Trailer Part

$28.50 AUD
$28.50 AUD
Sale Sold out
Shipping calculated at checkout.

✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Dunbier Knott Jockey-Wheel Gear and Roll-Pin Repair Kit – Part Number: 1280

A replacement internal gear and retaining-pin kit for compatible Knott jockey wheels. The kit renews the bevel-gear drive that transfers handle rotation into vertical screw movement and is intended for rebuilding a serviceable tube, screw and mounting assembly.

⚙️ Key Features

  • Matched Knott internal gear set
  • Includes associated retaining or roll pins as supplied
  • Restores side-wind lifting operation
  • Suitable for serviceable Knott jockey-wheel housings
  • Reduces the need to replace the complete jockey wheel

📏 Specifications

  • Component type: Internal bevel gears and pins
  • Exact tooth count, bore and pin diameter must match the original
  • Application must be verified from the installed Knott model

🔄 Cross Reference & Related Parts

  • Dunbier: 1280
  • Top-hat retaining plate: Dunbier 1008
  • Individual handle gear: Dunbier 1301
  • Individual bottom gear: Dunbier 1302
  • Related Knott jockey wheels: Dunbier 1293 and 1294 where compatible

🚤 Trailer Compatibility & Application

  • Suitable for selected Knott side-wind jockey-wheel gearboxes
  • Not universal for all generations of TK57 or other Knott support wheels
  • Replace the complete wheel if the screw, tube, pivot or mounting bracket is structurally worn

🔌 Function

Transfers crank-handle rotation through the bevel gears to the vertical lifting screw.

⚠️ Common Signs of Failure

  • Handle turns without raising the trailer
  • Gear teeth skip, chip or bind
  • Roll pin shears repeatedly
  • Metal particles are present in the gearbox
  • Excessive backlash is felt at the handle

🛠️ Installation & Safety

  • Safely unload the jockey wheel before disassembly
  • Compare every new gear and pin with the removed parts
  • Install roll pins using proper support and punches
  • Lubricate gears and screw with water-resistant grease
  • Check full extension and retraction without load before service

📦 Condition

  • Brand new Dunbier Marine Products trailer component
  • Supplied as one Knott gear-and-pin repair kit
  • Supplied in original or equivalent packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

View full details