4707 Brake Shoe Kit

The 4707 Brake Shoe Kit (often referred to as 4707Q or 4707 Q Plus) is a standard, heavy-duty air brake component used on commercial semi-trucks, tractors, and trailers. It works with the popular Meritor Q Plus drum brake system and is compatible with heavy-duty vehicles from brands like Freightliner, Kenworth, Volvo, and Navistar International.

Standard Specs & Features

• Dimensions: Fits a standard 16.5-inch diameter brake drum and has a 7-inch shoe width.
• Lining Rating: Usually rated for 23,000 lbs (23K) gross axle weight rating, though 20K variants exist.
• Rivet Layout: Built with 28 rivet holes using 0.25-inch rivets.

What is Included in a Box Kit?

Most standard 4707 "box kits" contain enough parts to service one wheel (one axle end). The kit parts include:

• 2 Lined Brake Shoes (Top and bottom shoes)
• 1 Hardware Repair Kit (Includes 1 heavy return spring, 2 hold-down springs, 2 anchor pins, 2 rollers, and retainer clips)