Heavy Leading Company Limited is one of the most reliable manufacturers and suppliers of sinotruk howo nx 371hp 6x4 tractor truck in China. If you're going to wholesale bulk durable sinotruk howo nx 371hp 6x4 tractor truck made in China, welcome to get quotation from our factory. All customized products are with high quality and low price.
Product Specifications
| Configuration Item | Specifications & Custom Options |
| Brand & Model | Sinotruk HOWO NX 371HP 6X4 Tractor Truck |
| Drive Type | 6x4 (Single front steering axle + Tandem rear drive axles). |
| Engine Power | Standard: 371 HP |
| Customizable: Upgrade to 400 HP or 430 HP (ideal for harsher mountain/mining conditions). | |
| Emission Standard | Optional: China V / China VI / Euro V (Customized according to destination customs regulations). |
| Transmission | Standard: Fast 10-speed or 12-speed manual gearbox (heavy-duty type). |
| Customizable: Upgrade to 12-speed AMT automatic gearbox. | |
| Axles | Standard: 9-ton heavy-duty front axle + 16-ton heavy-duty dual rear axles. |
| Customizable: Upgrade to reinforced dual rear axles with hub reduction (suitable for heavy mining loads). | |
| Suspension | Heavy-duty multi-leaf spring suspension on both front and rear. |
| Tires | Standard: 12.00R20 heavy-duty radial tires (puncture-resistant). |
| Customizable: Optional 12R22.5 tubeless tires (better for highway speed). | |
| Dump Cargo Box | Standard: High-strength steel rectangular box with reinforced ribs, approx. 16-20 m³ capacity. |
| Customizable: Cargo box length and side panel height can be customized based on cargo type. Add electric automatic canvas cover (to meet environmental dust-control regulations). | |
| Hydraulic System | Standard: Heavy-duty front-mounted telescopic hydraulic cylinder. |
| Customizable: Add wear-resistant steel plate lining inside the cargo box (to prevent damage from hard rock loading). | |
| Cabin Type | HOWO NX new-generation wide-body cab with 4-point air suspension. Flat-roof day cab or sleeper cab available. |
| Comfort & Interior | Standard: Manual A/C, power windows, central locking, air-suspended driver's seat, radio. |
| Customizable: Add independent parking air conditioner (a must-have for hot regions like the Middle East/Africa). | |
| Safety Features | Standard: Lens headlamps, reversing alarm, side safety guardrails. |
| Customizable: Add 360° surround-view reversing camera, TPMS (Tire Pressure Monitoring System). | |
| Chassis Attachments | Standard: Aluminum alloy fuel tank. |
| Customizable: Add water sprayer (for brake cooling), tool boxes, or enlarge fuel tank capacity to 400L/600L for extended range. | |
| Exterior Customization |
Customizable: Fleet uniform paint colors (White, Red, Blue, Yellow), or customized company logos on the cab and cargo box. |
Products Details

Air Filter Housing
High filtration efficiency and large dust capacity: With a housing volume of approximately 0.07 m³ and a large internal filter element, it holds a significant amount of dust. In dusty environments like mining sites or construction zones, the standard replacement interval is 500–1,000 hours, extending the time between maintenance.
Excellent sealing: Robust corrugated hoses and metal clamps ensure a secure, airtight connection, effectively preventing dust and sand ingress caused by engine vibration.
Easy maintenance: Designed with external metal latches, allowing for tool-free disassembly and quick, simple filter element replacement; includes bilingual (Chinese/English) maintenance labels.

Exhaust Muffler
Effective noise reduction: A large chamber (nearly 1 meter long, approx. 0.07 m³ volume) featuring internal multi-layer baffles and sound-absorbing structures effectively dampens engine exhaust pulses. This significantly reduces operational roar, enhancing comfort for the operator and the surrounding environment.
Comprehensive safety protection: An external black metal guard isolates the high-temperature exhaust body, preventing accidental contact and associated hazards during operation.

Hydraulic Oil Tank
Large capacity: Metal hydraulic oil tank with a capacity of approximately 150–200L.
Convenient maintenance: Features a top-mounted twist-type dipstick, allowing for quick checks of oil levels without disassembly - ideal for daily inspections and refilling.
Protective and aesthetic: Finished with a durable, high-quality red baked-on coating that resists rust and corrosion; external hydraulic hoses are fitted with braided anti-abrasion sleeves to extend service life.
Other Products Details





Why Choose the Sinotruk HOWO NX 371HP 6X4 Tractor Truck?
Fuel-Efficient & Agile: Lighter than the 8x4 model with lower fuel consumption; short wheelbase allows for easy U-turns on cramped job sites.
Ample Power: 371 hp "golden displacement" engine; handles heavy-load hill climbs with ease and is not picky about fuel quality.
Rugged & Easy to Maintain: Robust, durable chassis; Sinotruk parts are available worldwide-affordable, easy to service, and minimizing downtime.
Customizable: Options include parking A/C, eco-friendly tarps, and wear-resistant cargo bed liners to suit local operating conditions.
Product Applications
The Sinotruk HOWO NX 371HP 6X4 Tractor Truck is ideal for the following scenarios::
Construction Site Earthworks: Short-haul transport of spoil, sand, and gravel; agile maneuvering.
Small-to-Medium Mining: Transporting coal and ore; powerful performance and a chassis built to withstand tough conditions.
Municipal & Road Construction: Urban infrastructure and road building; compliant with environmental regulations (tarps available).
Port/Terminal Bulk Cargo Shuttling: Short-distance transfer of bulk commodities (sand, stone, coal).
Pre-Shipment Procedures
Full vehicle test run (checking functions and listening for abnormal noises).
Re-tightening of critical bolts.
Checking for oil leaks and topping up fluids.
Applying anti-rust oil to metal parts and protective film to glass.
Customer Reviews

Customer Photos

Actual Shipment Photos

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