H3019 Mackay Deemax Caliper MAXX Coated | Marine Trailer Part

🔧 Product Description

Mackay DeeMaxx 12-Inch Hydraulic Caliper with MAXX Corrosion Coating – Part Number: H3019

A MAXX-coated cast-iron floating hydraulic trailer disc-brake caliper for Mackay heavy 12-inch disc systems, commonly 2.2-tonne axle family. The floating caliper applies hydraulic pressure through its piston to clamp the brake pads against the DeeMaxx 12-inch rotor system.

⚙️ Key Features

• Maxx-Coated Cast-Iron Floating Hydraulic construction
• Designed for DeeMaxx 12-inch rotor system
• Floating/sliding caliper operation
• Marine trailer hydraulic brake application
• Serviceable pads and hydraulic components

📏 Specifications

• Rotor compatibility: DeeMaxx 12-inch rotor system
• Caliper family: Mackay heavy 12-inch disc systems, commonly 2.2-tonne axle family
• Brake-fluid connection and mounting-hole spacing must match
• Supply quantity: Confirm title/package; H3010 is supplied as a pair

🔄 Cross Reference & Related Parts

• Mackay: H3019
• Brake pads, slide pins, seals and mounts must match the exact caliper family
• AL-KO/Meher, Trojan and DeeMaxx calipers are not interchangeable merely because the rotor diameter is similar

🚤 Trailer Compatibility & Application

• Suitable for Mackay heavy 12-inch disc systems, commonly 2.2-tonne axle family
• Use only with the correct rotor thickness, caliper bracket and hydraulic pressure system
• Pad friction material and backing plate must match the caliper

🔌 Function

Converts hydraulic fluid pressure into pad clamping force to slow the rotating trailer brake disc.

⚠️ Common Signs of Failure

• Brake fluid leaks past the piston seal
• Piston or slide pins seize
• Pads wear unevenly
• Caliper body is cracked or heavily corroded
• Trailer pulls to one side or a wheel runs hot
• Brake does not release after pedal application

🛠️ Installation & Safety

• Brake work should be completed by a competent trailer technician
• Use the correct caliper mount and high-tensile fasteners
• Fit new sealing washers where required
• Bleed all air from the hydraulic circuit
• Confirm free sliding movement and rotor clearance
• Road-test progressively and recheck for leaks

📦 Condition

• Brand new Mackay trailer component
• Supplied as one caliper or pair as identified in the product title
• Supplied in original or equivalent packaging