Detailed Component Description

A. Chassis and Frame

• Construction: Sand dump trailer reinforced high-tensile steel main beams and cross members. The frame is designed to withstand heavy loads and the stress of the tipping action.

• Design: Optimized for strength-to-weight ratio, ensuring durability without unnecessary weight that would reduce payload capacity.

B. Dump Body

• Capacity: 38 cubic meters. The large volume is ideal for low-density materials like sand.

• Shape: Sand dump trailer with U-shape design. This design prevents material from sticking in the corners, promotes a cleaner and faster discharge, and increases structural strength.

• Material: Constructed from abrasion-resistant steel (e.g., HARDOX, NM, or JFE-EVERHARD) to resist wear from abrasive materials like sand, significantly extending the body's service life.

• Top Openings: May be fully open or equipped with a tarpaulin cover system to prevent material loss and dust pollution during transport.

C. Tipping System (Hoist Mechanism)

• Type: A powerful front-mounted hydraulic telescopic cylinder (typically 3 or 4 stages).

• Operation: Powered by the tractor unit's Power Take-Off (PTO) or an independent engine-driven hydraulic pump.

• Lifting Capacity: Sufficient to lift the fully loaded body (approx. 40+ tons) smoothly and safely.

• Tipping Angle: Lifts the body to an angle of 45 to 50 degrees, ensuring complete and rapid unloading of free-flowing materials like sand.

• Safety: Equipped with a reliable safety prop or lock to secure the raised body during maintenance.

D. Axles, Suspension, and Brakes

• Axles: Three heavy-duty, high-strength steel axles. The triple-axle setup distributes the gross vehicle weight (GVW) effectively, complying with road regulations and reducing ground pressure.

• Suspension:

  • Leaf Spring: The most common and cost-effective option, known for its robustness.

  • Air Suspension: Provides a smoother ride, better protection for the load and road, and is often required for some public road projects.

• Braking System: Dual-line pneumatic (air) brakes on all wheels for reliable and powerful stopping power. Complies with international safety standards (e.g., ECE R13). An emergency brake and parking brake are standard.

E. Undergear and Accessories

• Wheels & Tires: 12 pieces of tubeless radial tires (12R22.5), mounted on steel disc wheels.

• Landing Gear: Heavy-duty, crank-operated landing legs to support the trailer when disconnected from the tractor.

• Lighting & Electrical: Full lighting system including tail lights, brake lights, turn signals, and reflectors. Connects to the tractor via a standard electrical plug (e.g., 7-pin or 24-pin ABS plug).

• Fifth Wheel Coupler: A robust kingpin for secure connection to the tractor unit.

Typical Applications

• Sand and gravel transportation from quarries to batching plants.

• Hauling aggregates for road construction and building projects.

• Transporting agricultural bulk materials like grain or fertilizer.

• General bulk logistics in industrial and mining sectors.

Advantages

• High Efficiency: Large volume allows for more material per trip, reducing the number of journeys required.

• Fast Unloading: Hydraulic tipping enables discharge in a few minutes, minimizing downtime.

• Excellent Stability: The three-axle configuration offers superior road holding and weight distribution compared to two-axle models.

• Durability: Sand dump trailer built with high-wear materials specifically for abrasive loads, ensuring a long operational life.

• Regulation Compliance: Designed to operate within common legal weight limits for tri-axle trailers on public roads.