The HD90009360185 is a Type 30/30 double-diaphragm spring brake chamber for the rear axle of Shacman F3000, X3000, and M3000 trucks with Hande HDZ series drive axles. It replaces the original Hande component directly. The chamber features an M22 × 1.5 air inlet port — the exact port size for these axles, no adapter required. It combines service brake and parking brake functions in one housing, with a fail-safe power spring that applies the parking brake if air pressure is lost. Weight: 9.5 kg.
As part of the Brake System and Heavy-Duty Axle groups, this chamber is designed for Shacman Hande HDZ Axle Assembly and Modular Chassis applications.
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Surface Treatment: High-strength steel housing with corrosion-resistant coating. Zinc-plated clamp band. High-grade rubber diaphragm resistant to oil, ozone, and temperature extremes.
Manufacturing Process: Housing stamped and welded, then coated. Diaphragm molded. Power spring heat-treated and tested. Chamber assembled and pressure-tested for leak integrity. Push rod stroke measured to ≥64 mm.
Structure Diagram: Steel housing, rubber diaphragm, power spring, push rod, clamp band. M22 × 1.5 air inlet port. Double-diaphragm design separates service and parking chambers.
Installation Position: Mounts on rear axle housing bracket. Push rod connects to slack adjuster. Air line connects to M22 × 1.5 port. Correct push rod length and angle critical to avoid brake drag or insufficient application.

Diagnostic Note: Watch for: Slow brake application or increased stopping distance — diaphragm hardened or cracked. Air leak at chamber or line connection — diaphragm failed or clamp band leaking. Parking brake will not hold or releases slowly — power spring weakened or spring chamber lost pressure. Critical safety issue — repair immediately. Push rod stroke exceeds adjustment limit — diaphragm stretched or slack adjuster out of adjustment. Before replacing chamber, check slack adjuster and clevis pin for wear.

Slow brake response or parking brake not holding on a Shacman F3000 or X3000? Before ordering a replacement chamber, check the slack adjuster and clevis pin for wear. If the diaphragm has hardened or the spring has weakened, this chamber is the fix. The M22 × 1.5 port is the correct fitment for Hande HDZ axles — no adapter required. Send us your truck model, axle model, and current symptoms. We will confirm the HD90009360185 as the correct rear brake chamber for your Shacman F3000, X3000, or M3000 and respond with pricing, lead time, and pressure test data.
Contact Tolizer today to secure your brake chamber supply.
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