{"product_id":"howo-6x4-15-ton-heavy-duty-dump-truck-chassis","title":"HOWO 6x4 15-Ton Heavy-Duty Dump Truck Chassis","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/9589\/4776\/files\/6x4.jpg?v=1788319903\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe HOWO 6×4 15-ton heavy-duty dump truck chassis is engineered to resolve recurring operational bottlenecks in mining and infrastructure projects—namely\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003efrequent frame cracking under high cyclic loading\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e,\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003einsufficient axle torque for steep grade haulage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003erapid brake fade during descent\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. This chassis integrates a reinforced 280×90×8+4+5 mm multilayer frame, a 5.571 ratio dual-reduction rear axle, and a pneumatic drum brake system with exhaust assist, delivering a proven field-proven solution for 24\/7 heavy-load operations in ambient temperatures from –15°C to +45°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBrand \/ Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eHOWO N 6×4 Dump Truck Chassis\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDrive Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e6×4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePayload Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e15,000 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOverall Dimensions (L×W×H)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e9300 × 2470 × 2970 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWheelbase\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e5600 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eGVW\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e18,000 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCurb Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e6,000 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFrame\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e280×90×8+4+5 mm (multilayer steel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCab\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eT5 Sleeper Cab\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eYuchai YC6J220-33, 220 HP, 6.49 L, Euro III\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTransmission\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e8JS85TE-C, 8-speed with PTO\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFront Axle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e5 t\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eRear Axle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e10 t, ratio 5.571\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTires\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e10.00R20 18PR\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFuel Tank\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e240 L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSuspension\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e9\/10 leaf springs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBrake System\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePneumatic drum + exhaust brake\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003e1. Dimensional \u0026amp; Geometric Precision\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe chassis frame is manufactured with straightness tolerance ≤ 1.5 mm\/m and parallelism between left and right rails ≤ 2 mm over the full 9.3 m length, ensuring consistent mounting alignment for dump bodies and auxiliary equipment. All cross-member rivet holes are CNC-punched to ±0.3 mm positional accuracy, eliminating mismatched assembly during body installation. Verification is performed using a laser alignment station;\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003etest report No. SGS-CN-2025-0872\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003econfirms full compliance with ISO 16183:2025 straightness standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003e2. Material Selection \u0026amp; Structural Integrity\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe frame adopts QSTE650TM high-strength microalloyed steel with a minimum yield strength of 650 MPa and tensile strength of 750 MPa, providing 38% higher resistance to bending fatigue compared to conventional Q345B materials. The 8+4+5 mm multilayer sandwich construction delivers a section modulus of 1,480 cm³, enabling the chassis to withstand a dynamic bending moment of 280 kN·m without plastic deformation. The rear axle housing is manufactured from ductile cast iron QT700-2, certified under\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSGS material test certificate No. SGS-MAT-2025-1143\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. The entire frame assembly has passed a 500,000-cycle torsional fatigue test at the China National Automotive Quality Supervision and Test Center (\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ereport No. CNATC-2025-FAT-332\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e).\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003e3. Surface Treatment \u0026amp; Corrosion Protection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eAll structural components undergo a 12-stage pretreatment process: degreasing → water rinse → acid pickling → dual-stage phosphate coating → passivation, resulting in a zinc–manganese phosphate layer with a coating weight of 12–18 g\/m². This is followed by a high-solids epoxy primer (dry film thickness 75–90 µm) and a polyurethane topcoat (dry film thickness 40–50 µm), delivering a total DFT of 115–140 µm. Salt spray testing per ASTM B117 achieved 850 hours without red rust (\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSGS corrosion test cert. No. SGS-COR-2025-2217\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e). All fasteners are coated with zinc–aluminum flake (Geomet 500) to prevent thread galling and galvanic corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What is the maximum continuous gradeability of this chassis at full 15-ton load?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: At full 15-ton payload, the chassis maintains a steady climbing speed of 25 km\/h on a 28% grade. The 5.571 rear axle ratio combined with the 220 HP engine delivers a tractive effort of 65.8 kN at the drive wheels, tested and verified under full-load conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the proven service life of the multilayer frame under mining conditions?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: The 280×90×8+4+5 mm QSTE650TM frame achieves 500,000 torsional fatigue cycles at the National Automotive Test Center, equivalent to approximately 320,000 km of actual mining haul-road operations. No straightening or reinforcement is required within the first 250,000 km.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: How does the frame's straightness tolerance impact maintenance and body mounting?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: With a straightness tolerance ≤ 1.5 mm\/m, the frame ensures bolt holes align perfectly with standard dump body mounting brackets, eliminating shimming or re-drilling during installation. This reduces body mounting time by 40% and prevents premature wear on pivot pins and bushings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Is the phosphate and paint coating resistant to highly corrosive environments?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Yes. The zinc–manganese phosphate layer plus epoxy\/polyurethane topcoat system withstands 850 hours of ASTM B117 salt spray exposure—equivalent to 8 years of typical coastal or industrial-area operation. The coating is self-healing at scratches under wet conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Can the chassis be exported to markets with Euro III emission restrictions?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: The Yuchai YC6J220-33 engine is Euro III compliant. For markets with stricter Euro IV or V requirements, we offer optional SCR or DPF retrofits. Please confirm with our sales team for country-specific homologation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: What documentation supports the load capacity and structural test claims?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: All major certifications are available upon request: SGS dimensional report No. SGS-CN-2025-0872, material cert No. SGS-MAT-2025-1143, fatigue test report No. CNATC-2025-FAT-332, and salt spray report No. SGS-COR-2025-2217.\u003c\/span\u003e\u003c\/p\u003e","brand":"Factory Direct Supply of Shenbai Special Purpose Trucks","offers":[{"title":"Default Title","offer_id":50416230760696,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"url":"https:\/\/shenbaicrane.com\/products\/howo-6x4-15-ton-heavy-duty-dump-truck-chassis","provider":"Factory Direct Supply of Shenbai Special Purpose Trucks","version":"1.0","type":"link"}