1. Model Overview
Model: SANY M5 6×4 Dump Truck
Drive Configuration: 6×4 (Three axles; rear dual-axle drive, front steering axle)
Primary Application: Heavy-load transport in rugged terrains (mines, construction sites, ports).
Design Philosophy: High payload efficiency, extreme durability, low total cost of ownership (TCO).
2. Key Structural Components
A. Chassis & Frame
Frame: High-strength alloy steel ladder frame with double-layer reinforcement at stress points.
Suspension:
Front: Heavy-duty parabolic leaf springs + shock absorbers.
Rear: Balanced suspension (walking beam type) with reinforced thrust rods.
Axles:
Front Axle: 9-ton capacity, forged I-beam.
Rear Axles: 16-ton double-reduction hypoid drive axles with differential lock.
B. Dump Body
Material: NM400/450 high-tensile wear-resistant steel (base: 8–10mm; sides: 6–8mm).
Capacity: 18–22 m³ (standard), expandable to 30 m³ (coal/light material).
Shape: "U" or "V" design for rapid unloading & reduced material adhesion.
Hydraulic System:
Oil Pump: Gear-type pump (ISO VG68 oil compatibility).
Cylinder: 3-stage telescopic (Ø160mm), lift time < 25s.
Dump Angle: ≥ 50° for complete discharge.
C. Powertrain
Engine:
Option 1: Weichai WP10/WP12 (China IV/V) | 340–430 HP | 1,600–1,900 Nm torque.
Option 2: Cummins ISG/X12 (Export) | 400–500 HP | 2,300 Nm peak torque.
Transmission:
Standard: 9/10-speed manual synchromesh (e.g., Fastgear/FULLER).
Optional: 12-speed AMT (automated manual transmission).