As one of the classic models of the Sinotruck HOWO series, the NX 6×4 tractor truck with 371HP Weichai diesel engine features strong power output, reinforced chassis, high-efficiency transmission and humanized comfortable cab. It boasts solid reliability, powerful traction and great adaptability for diverse roads and operation scenarios.
Stable performance, low maintenance expense and easily available spare parts make our HOWO NX 6×4 tractor a preferred vehicle for clients from Africa, Middle East, Southeast Asia, Central Asia and South America.
Product Features
1. Mature Weichai 371HP Diesel Power System & Powerful Durable Performance
The HOWO NX 6×4 tractor truck is equipped with dark-green block Weichai 371HP industrial diesel engine, delivering stable power output, low fuel consumption and long service life, perfectly balancing strong heavy-load transportation capacity and stable long-distance operation. It is the ideal heavy-duty tractor for long-distance and overloaded freight.
Engine Power Configuration:
Fixed 371HP, customized overhaul scheme available
Performance Advantages:
Stable low-speed torque output
Superior fuel economy for lower operational cost
Long engine service life after full refurbishment
Low vibration and low noise operation
Fully overhauled internal components, high reliability
Suitable for long-term heavy-load highway transportation, mountain and rough dirt roads
2. Reliable 6×4 Heavy-Duty Drive System
Adopting a mature 6×4 drive layout, the HOWO NX tractor features powerful traction, excellent driving stability and reasonable load distribution, adapting to diverse road conditions and long-distance continuous transportation.
Advantages:
Strong towing capacity for heavy cargo
High driving stability on highways and rugged mountain roads
Optimized load balancing design
Wide compatibility with various semi-trailers
It is perfectly applicable for container transportation, bulk material hauling, construction cargo delivery and general heavy logistics transportation.
3. Reinforced Lightweight Heavy-Duty Chassis
The HOWO NX series adopts high-strength steel frame and upgraded durable chassis components, with lightweight optimization design. All frame, axle and suspension parts are fully inspected and maintained. It ensures outstanding bearing capacity and stable performance under long-duration heavy-load and harsh working conditions.
Chassis Features:
High-strength steel frame with high rigidity
Fully disassembled and overhauled heavy-duty reliable axles
Reinforced suspension system with new wearing parts
Ultra-strong load-bearing capacity
Lightweight body design for higher payload
Excellent durability for long-distance continuous operation
4. Efficient & Durable Transmission System
Matched with a mature high-reliability transmission system, the HOWO NX 6×4 tractor realizes smooth power transmission, high transmission efficiency and stable power output, greatly improving overall transportation efficiency. All gears, oil seals and clutch parts are replaced with brand-new accessories during refurbishment.
Benefits:
Smooth and precise gear shifting
High power transmission efficiency
Reduced fuel consumption and operation costs
Stable performance and easy daily maintenance
Full internal overhaul, no hidden faults
5. Premium Ergonomic Sleeper Cab Design
The HOWO NX cab complies with international heavy truck safety standards. It adopts four-point air suspension design, focusing on long-distance driving comfort and driving safety, creating a humanized working and resting space for drivers.
Cab Features:
Spacious high-roof sleeper cab
Wide comfortable sleeper for long trips
Full air conditioning system
Airbag adjustable driver seat
Ergonomic integrated dashboard
Large-capacity multi-layer storage compartments
Wide-angle rearview mirror for full visual coverage
The humanized cabin design effectively relieves driver fatigue during long-haul journeys and improves driving safety.
6. Complete Vehicle Refurbishment & Low Operating Cost
The whole truck undergoes full rust removal, derusting and repainting. All oil pipes, sealing components and wearing parts across the whole vehicle are replaced with brand-new spare parts. The overall performance can reach over 90% of a brand-new unit, with mature and stable overall structure and complete safety protection.
Advantages:
Full derusting and repainting, anti-corrosion for long-term use
All vulnerable parts fully renewed to eliminate leakage risks
Mature modular structure for easy maintenance
Far lower purchase and maintenance cost than brand-new trucks
Complete global spare parts supply system
Perfect for large-scale fleet operation
Main Applications
Sinotruk HOWO NX 6×4 Tractor Trucks are widely used in:
Cross-border international logistics transportation
Port container haulage
Long-distance highway freight transport
Mining and construction material transportation
Bulk cargo and general heavy goods transportation
Overseas long-distance heavy-load logistics projects
Compatible Trailers:
Flatbed Semi Trailer
Container Trailer
Lowbed Trailer
Dump Semi Trailer
Bulk Cargo Trailer
Tanker Trailer
Advantages of Sinotruk HOWO NX 6×4 Tractor Truck with 371HP Weichai Engine
✔ Classic mature HOWO NX heavy truck platform, fully refurbished for reliable upgraded performance
✔ Dark-green Weichai 371HP diesel power, strong traction and fuel-saving
✔ 6×4 heavy-duty configuration with strong traction & all-road stability
✔ Reinforced lightweight overhauled chassis for higher economic benefits
✔ Luxury ergonomic sleeper cab for long-haul driving comfort
✔ Full vehicle refurbishment, all wearing parts replaced, ultra-low later maintenance cost
✔ Complete anti-corrosion repainting, long service life in harsh overseas environments
✔ Easy maintenance and global spare parts support
✔ Highly adaptable for Africa, Middle East, Central Asia and Southeast Asia markets
Why Choose Our HOWO NX 6×4 Tractor Truck?
The Sinotruk HOWO NX 6×4 Tractor Truck perfectly integrates powerful diesel power, reliable durability, driving comfort and ultra-low operating cost. Adopting full standardized refurbishment technology and strict export-grade global quality inspection standards, it provides high-efficiency, cost-saving professional heavy-load transportation solutions for global logistics enterprises, fleet operators and commercial vehicle distributors, becoming the preferred refurbished heavy tractor for international freight.























