1970 Dunbier H3261K Mackay Caliper Mount and Bolts Mechanical and Trojan Hydraulic Disc 15mm | Marine Trailer Part

🔧 Product Description

Dunbier 15mm Disc-Caliper Mount and Bolt Kit – Part Number: 1970

A caliper axle-mount bracket and bolt set for Dunbier mechanical brake axles and selected Trojan hydraulic brake assemblies using a 15mm-thick disc. The bracket establishes the required offset between the axle flange, rotor and caliper.

⚙️ Key Features

• Mounting bracket for 15mm disc systems
• Suits Dunbier mechanical caliper applications
• Also suits selected Trojan hydraulic disc assemblies
• Includes mounting bolts as supplied
• Maintains correct caliper-to-rotor alignment

📏 Specifications

• Rotor thickness application: 15mm
• Mackay reference: H3261K
• Mechanical caliper application: Dunbier 1971 / H3260G
• Mounting-hole pattern must match the axle flange

🔄 Cross Reference & Related Parts

• Dunbier: 1970
• Mackay: H3261K
• Mechanical caliper: Dunbier 1971
• 11mm AL-KO/Meher hydraulic mount: Dunbier 1958

🚤 Trailer Compatibility & Application

• Suits compatible Dunbier mechanical brake axles and specified Trojan hydraulic axles
• Not interchangeable with the 11mm rotor mount
• Confirm wheel and caliper clearance after installation

🔌 Function

Supports and positions the brake caliper squarely over the 15mm rotor.

⚠️ Common Signs of Failure

• Bracket is bent, cracked or heavily corroded
• Bolt holes are elongated
• Caliper is off-centre over the rotor
• Mounting bolts loosen or stretch
• Pads contact only part of the disc face

🛠️ Installation & Safety

• Use new high-tensile mounting hardware where supplied
• Clean the axle flange and confirm bracket orientation
• Apply the specified thread-locker
• Torque bolts correctly
• Check rotor clearance through a complete wheel rotation

📦 Condition

• Brand new Dunbier Marine Products trailer component
• Supplied as one 15mm caliper mount with bolts
• Supplied in original or equivalent packaging