Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Engineered for Class 7–8 long-haul highway tractors, vocational dump trucks, concrete mixers, and severe-duty commercial front or drive axles across North America, this 4705 Brake Shoe provides a heavy-duty unlined steel foundation core for standard 16.5" x 7" drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers superior structural rigidity, true arc curvature, and exact anchor pivot geometry to eliminate torsional flexing, prevent shoe chatter, and optimize custom lining reline programs.
Maintaining wheel-end structural stability, balanced deceleration torque, and strict DOT/FMVSS-121 compliance under heavy axle loading is vital for commercial fleet safety across North American transport corridors. High-frequency braking cycles, severe torque spikes, and continuous thermal changes can cause substandard shoe skeletons to twist, distorting the anchor slots and leading to uneven friction contact, shoe drag, or localized lining cracking. Our 4705 Brake Shoe unlined steel skeleton delivers genuine OEM-level dimensional accuracy and heavy-duty structural durability tailored for commercial reline shops, fleets, and parts distributors.
Automated Projection Welding & High-Tonnage Die Coining
Each 4705 shoe skeleton is manufactured from heavy-gauge structural steel. The web plate and table rim are joined using automated robotic projection welding, ensuring high weld penetration and resistance against severe shear stress. Following welding, the entire skeleton undergoes hydraulic die-coining to guarantee an exact 16.5-inch arc radius. This strict contour alignment eliminates localized edge pinching, hot-spotting, and uneven taper wear when friction blocks are mounted.
Precision Pivot Geometry & Anti-Rust Protection
Built specifically to match standard North American 16.5" x 7" commercial foundation geometry, the anchor ends and roller pockets are CNC-machined to tight tolerances, ensuring smooth pivot action and preventing roller binding. The bare steel skeleton is fully treated with an industrial electro-deposited or electrostatic powder coating, providing a robust barrier against road salts, moisture, calcium chloride de-icers, and atmospheric oxidation during extended storage and severe road service.
Key Features & Specifications
Target Foundation Fitment: Purpose-built for standard North American 16.5" x 7" (4705 standard) commercial drum brake configurations across steer and drive axles.
High-Strength Steel Construction: Fabricated from heavy-duty structural steel plate with automated projection welding to prevent web distortion and cracking under heavy torque.
Precision Die-Coined Arc: Hydraulic die calibration ensures a 100% true 16.5-inch arc radius for seamless lining attachment and balanced surface contact with brake drums.
Factory CNC-Machined Pivot Ends: Engineered anchor and roller pockets prevent mechanical binding and ensure smooth return action with standard 4705 hardware sets.
Industrial Anti-Corrosion Finish: High-adhesion electrostatic protective coating shields the steel frame against road brine, winter chemical de-icers, and rust.
Standard Rivet Hole Layout: CNC-punched rivet hole pattern allows direct mounting of standard 4705 series non-asbestos friction blocks.
Frequently Asked Questions (FAQ)
Q1: What axle configurations and vehicle platforms are compatible with this 4705 Brake Shoe?
A: This unlined 4705 shoe core is designed for North American Class 7 and Class 8 commercial vehicles, fitting heavy-duty front steer and drive axle positions equipped with standard 16.5" x 7" foundation drum brakes.
Q2: Does this 4705 Brake Shoe come with friction linings or hardware included?
A: No. This SKU is a bare, unlined steel brake shoe skeleton designed specifically for reline facilities, brake rebuilding shops, and fleet distributors who attach their own friction linings and source hardware separately.
Q3: How does the 4705 profile compare to other 16.5" x 7" shoes like the 4515 or 4707?
A: While they share the 16.5" x 7" footprint, the 4705 profile features distinct web geometry, anchor positioning, and cam roller pocket configurations engineered for specific commercial axle spider designs and hardware pairings.
Q4: Can this bare steel shoe handle severe-duty commercial payloads?
A: Yes. The heavy-gauge structural steel core and projection-welded web structure are engineered and tested to support commercial axle ratings from 20,000 to 23,000 lbs GAWR under continuous line-haul and vocational operating conditions.
Q5: Do you offer custom part number stamping, laser marking, and bulk palletized shipping?
A: Yes. We support custom web laser etching for OE/distributor part numbers, private branding options, and moisture-protected export pallet packing for containerized shipments.
Designed for Class 7–8 long-haul freight tractors, intermodal container chassis, refrigerated reefers, and severe-duty vocational trailers across North America, this 4515Q Brake Shoe provides a heavy-duty unlined steel foundation core for Meritor/Dana Q and Q-Plus style 16.5" x 7" drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers superior structural rigidity, true arc curvature, and exact dual-anchor quick-change geometry to prevent torsional flexing, eliminate shoe chatter, and optimize custom lining reline programs.
View More
Engineered for Class 7–8 interstate freight tractors, vocational dump trucks, refuse chassis, and commercial front-steer or auxiliary lift axles across North America, this 4551 Brake Shoe provides a heavy-duty unlined steel foundation core for standard 15" x 4" drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers structural rigidity, true arc curvature, and exact pivot geometry to prevent torsional flexing, eliminate vibration chatter, and optimize custom lining reline programs.
View More
Engineered for Class 7–8 interstate freight tractors, straight trucks, refuse chassis, and commercial front-steer or auxiliary lift axle applications across North America, this 4644 Brake Shoe provides a heavy-duty unlined steel foundation core for standard 15" x 4" drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers structural rigidity, true arc curvature, and exact anchor pivot geometry to eliminate torsional flexing, prevent shoe chatter, and optimize custom lining reline programs.
View More
Engineered for Class 7–8 interstate tractors, straight vocational trucks, refuse chassis, and commercial front-steer or auxiliary lift axle applications across North America, this 4704 Brake Shoe provides a heavy-duty unlined steel foundation core for standard 15" x 4" drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers superior structural rigidity, true arc curvature, and exact anchor pivot geometry to eliminate torsional flexing, prevent shoe chatter, and optimize custom lining reline programs.
View More
Engineered for Class 7–8 long-haul highway tractors, vocational dump trucks, concrete mixers, and severe-duty commercial front or drive axles across North America, this 4705 Brake Shoe provides a heavy-duty unlined steel foundation core for standard 16.5" x 7" drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers superior structural rigidity, true arc curvature, and exact anchor pivot geometry to eliminate torsional flexing, prevent shoe chatter, and optimize custom lining reline programs.
View More
Engineered for Class 7–8 interstate freight tractors, intermodal container chassis, refrigerated reefers, and severe-duty vocational trailers across North America, this 4707Q Brake Shoe provides a heavy-duty unlined steel foundation core for standard 16.5" x 7" Meritor/Dana Q-Plus drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision coining dies, this bare brake shoe skeleton delivers outstanding structural rigidity, true arc curvature, and exact quick-change dual-anchor geometry to eliminate torsional flexing, prevent shoe chatter, and optimize custom lining reline programs.
View More
Engineered for Class 7–8 long-haul highway tractors, intermodal container chassis, regional delivery rigs, and severe-duty vocational trailers across North America, this 4709 Brake Shoe provides a heavy-duty unlined steel foundation core for standard 16.5" x 7" commercial drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers superior structural rigidity, true arc curvature, and exact pivot geometry to eliminate torsional flexing, prevent shoe chatter, and optimize custom lining reline programs.
View More
Engineered for Class 8 line-haul tractors, heavy-haul lowboys, bulk aggregate haulers, and severe-duty vocational trailers across North America, this 4711Q Brake Shoe provides a heavy-duty unlined steel foundation core for wide-track 16.5" x 8-5/8" Meritor/Dana Q-Plus drum brake assemblies. Fabricated from high-yield structural steel plate and calibrated under high-tonnage precision dies, this bare brake shoe skeleton delivers outstanding structural rigidity, true arc curvature, and exact quick-change dual-anchor geometry to eliminate torsional flexing, prevent shoe chatter, and optimize custom lining reline programs.
View More