1301 Dunbier Knott Handle Gear | Marine Trailer Part

🔧 Product Description

Dunbier Knott Jockey-Wheel Upper Handle Bevel Gear - Part Number: 1301

An individual upper bevel gear for compatible Knott side-wind jockey-wheel gearboxes. The gear is driven directly by the winding handle and meshes with the lower gear to turn the vertical lifting screw.

⚙️ Key Features

• Replacement upper/handle bevel gear

• Machined tooth profile for Knott gearbox mesh

• Restores handle-to-screw drive

• Individual service part for targeted repair

• Used with matching retaining pin and lower gear

📏 Specifications

• Component position: Upper handle shaft

• Exact tooth count, bore and pin arrangement must match the original

• Application: Selected Knott jockey-wheel gearboxes

🔄 Cross Reference & Related Parts

• Dunbier: 1301

• Matching bottom gear: Dunbier 1302

• Complete gear-and-pin kit: Dunbier 1280

• Retaining plate: Dunbier 1008

• Related handle: Dunbier 1295

🚤 Trailer Compatibility & Application

• Suitable only for the Knott gearbox using the same matched gear pair

• Do not mix gears with different tooth profiles

• Inspect the handle shaft and pin hole before installation

🔌 Function

Changes the direction of handle rotation through a right-angle gear mesh and drives the lifting screw.

Common signs of wear or replacement:

• Gear teeth are rounded, chipped or missing

• Handle rotates with a clicking or skipping sensation

• Gear bore or pin hole is enlarged

• Metal swarf is present inside the gearbox

• New gear will not mesh smoothly with the lower gear

🛠️ Installation & Safety

• Unload and dismantle the jockey wheel safely

• Replace the matched lower gear if tooth wear patterns are incompatible

• Use the correct roll pin

• Apply suitable water-resistant gear grease

• Test through full travel before applying trailer load

📦 Condition

• Brand new Dunbier Marine Products trailer component

• Supplied as one Knott upper handle gear

• Supplied in original or equivalent packaging