This front suspension cylinder series is the core load-bearing and damping element of the hydro-pneumatic suspension system on large mining dump trucks. Mounted between the front axle and the chassis frame, it simultaneously supports the front laden weight, absorbs road shocks, attenuates body vibration, and maintains front wheel ground contact through the elastic-damping coupling of high-pressure oil and nitrogen gas. Compared to rear suspension, the front suspension must additionally accommodate side loads and angular articulation from steering; therefore, the cylinder features a reinforced anti-side-load guiding system and maintenance-free spherical pivot connections. Together with custom-tuned non-linear stiffness and damping characteristics based on vehicle parameters, it ensures superior ride comfort, steering precision, and frame durability under combined operating conditions such as loaded downhill hauls, rough curved roads, and braking.

This rear suspension cylinder series is the core load-bearing and damping element of the hydro-pneumatic suspension system on large mining dump trucks. Mounted between the rear axle and the chassis frame, it supports the fully loaded vehicle weight, absorbs road shocks, attenuates body vibration, and equalizes axle load distribution through the combined action of hydraulic oil and high-pressure nitrogen. Featuring an ultra-high pressure design (rated 38 MPa) and large-diameter piston construction, and operating in conjunction with external or built-in accumulators, it delivers non-linear stiffness and damping characteristics. This ensures excellent ride comfort and uniform frame stress distribution under extreme conditions such as fully loaded uphill hauls, rough mine roads, and heavy dumping, significantly extending chassis and tire life. Enhanced for the rock impacts, mud, dust, and continuous heavy-duty operation typical of open-pit mines, it offers exceptional fatigue durability and long-term reliability.

This lifting cylinder series is the core actuator of the dump body hoist system on large mining dump trucks. Mounted between the chassis frame and the dump body underbelly, it hydraulically raises and lowers the body to rapidly discharge ore, overburden, and other bulk materials. Employing a multi-stage telescopic design (typically 2-stage or 3-stage), it achieves an ultra-long stroke and tens of thousands of kN of thrust within a compact retracted length, ensuring smooth, safe dumping even at full load on several-hundred-tonne class trucks. Built with an extreme heavy-duty structure, purpose-designed multi-stage sealing, and built-in cushioning, it operates reliably under continuous heavy-duty cycles, frequent hoisting, and intense vibration in mining environments.

This steering cylinder series is purpose-built for the chassis steering system of large mining dump trucks. Serving as the core actuator linking the steering linkage and knuckles, it hydraulically assists wheel deflection, providing precise and smooth steering response under full load, on rough mine roads, and during frequent maneuvering. The cylinder ensures handling stability and even tire wear. Enhanced for open-pit mine conditions — rock impacts, mud, dust, and continuous long-distance operation — it delivers exceptional fatigue durability and maintenance-free capability.

This piston accumulator series is designed specifically for the hydro-pneumatic suspension system of large mining dump trucks. Serving as the core elastic energy-storage element and load-equalization device, it adopts a dual-piston design that separates the internal cavity into high-pressure and low-pressure gas chambers (or oil/gas chambers). Through gas compression and expansion, it absorbs road shocks in real time and equalizes the axle load, keeping the wheel loads of the middle and rear axles uniformly distributed and traction at an optimum — even under extreme conditions such as fully loaded uphill hauls on rough mine roads. This significantly improves ride quality and frame stress distribution. Built with an ultra-heavy-duty structure, reliable oil/gas separation sealing, and high-wear surface treatments, it operates stably in the high-pressure, high-frequency impact, slurry, and dust-laden environments typical of mining trucks.