3687X Brake Drum 16.5 x 6 for heavy-duty trucks
Product Overview
3687X heavy-duty brake drum is an OE-equivalent aftermarket replacement drum designed for North American Class 8 semi-trucks, freight trailers and dump vehicles. Sized 16.5-inch diameter with 6-inch friction width, it matches Meritor, Webb wheel axle systems, built with reinforced high-strength cast iron to deliver stable braking, excellent heat dissipation and long service life under full-load and downhill operating conditions.
Key Specifications
· Specification: Part No.3687X, Brake Dia 16.5", Lining Width 6.51", Pilot Dia 8.78", 10 bolt holes with 11.25" bolt circle, overall depth 9.76"
· Material: Reinforced high-density gray cast iron; full electro-deposition black anti-rust coating on all outer surfaces
· Cross Reference OE: Meritor 03-123399, Webb 65170B, fits Meritor Q-series drive & trailer axles
· Application: US heavy-duty semi trucks, dry vans, flatbeds, tipper trailers with 16.5×6 drum brake system
· Advantage: Precision CNC machined friction surface for balanced braking & low noise; optimized heat rib design accelerates heat dissipation to avoid brake fade; OE dimensional tolerance for direct bolt-on installation without modification
· Packing & Option: Single drum neutral export carton, pallet bulk shipment for full container orders; OEM private label packaging available
FAQs
Q1: What axles and vehicles does 3687X fit?
A: Compatible with Meritor Q series drive/trailer axles and Webb wheel assemblies, widely used on US Class 8 semi trucks, flatbed, container and dump trailers.
Q2: Does this drum have full anti-rust coating? Will it resist road de-icing salt?
A: The whole drum adopts full electrophoretic coating, which effectively prevents rust and corrosion caused by humid weather and winter road salt.
Q3: Is dynamic balancing finished before delivery? Will it cause vibration during braking?
A: Every drum undergoes strict dynamic balance machining, reducing shaking and abnormal noise during long-distance driving.
Hot Tags: 3687x brake drum 16.5" x 6" for heavy-duty trucks, China 3687x brake drum 16.5" x 6" for heavy-duty trucks manufacturers, suppliers, factory, 3600AX Brake Drum 16 5 X 7 For Heavy duty Trucks, 3721X Brake Drum 15 X 4 for Heavy duty Trucks, Centric Premium Brake Drum
