1090 Dunbier H3270K Mackay Hand Brake Lever Including Adjuster, Bolts and Hardware 76mm | Marine Trailer Part

🔧 Product Description

Dunbier Mechanical Brake Handbrake Assembly for 76mm Drawbar - Part Number: 1090

A complete mechanical trailer handbrake lever assembly configured to mount around a 76mm square tube. The kit includes the operating lever, cable adjuster and associated bolts and hardware as supplied, allowing the parking-brake mechanism to be renewed as a complete unit.

⚙️ Key Features

• Complete mechanical handbrake lever assembly

• Mounting configuration for 76mm square tube

• Integrated brake-cable adjustment point

• Includes installation bolts and associated hardware

• Suitable for marine trailer mechanical brake systems

📏 Specifications

• Drawbar application: 76mm square tube

• Brake type: Mechanical cable-operated disc or drum system, as configured

• Assembly includes lever and adjuster

• Exact mounting-hole layout should be compared with the existing assembly

🔄 Cross Reference & Related Parts

• Dunbier: 1090

• Mackay: H3270K

• Related mechanical brake cable and adjuster components must be matched to the trailer

• Other sizes in the Dunbier family: 1090, 1093, 1094 and 1096

🚤 Trailer Compatibility & Application

• Suitable for Dunbier and compatible trailer drawbars of the specified section size

• Cable pull direction and attachment point must match the brake system

• Not a replacement for hydraulic-coupling handbrake/master-cylinder assemblies

🔌 Function

Applies and holds the trailer's mechanical brakes while parked and provides the cable-adjustment point for correct brake travel.

Common signs of wear or replacement:

• Lever ratchet or pawl will not hold

• Cable adjuster is seized or reaches the end of its travel

• Pivot holes are elongated

• Lever or mounting bracket is bent

• Parking brake applies unevenly or releases incompletely

🛠️ Installation & Safety

• Secure the trailer and release cable tension before removal

• Mount squarely to the correct drawbar size with the supplied high-tensile hardware

• Adjust both wheel brakes before using the handbrake cable adjuster

• Ensure the brakes release fully when the lever is lowered

• Test the parking brake on a controlled incline before road use

📦 Condition

• Brand new Dunbier Marine Products trailer component

• Supplied as one complete handbrake assembly for 76mm square tube

• Supplied in original or equivalent packaging