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The Used Howo 371HP 375HP 420HP 6x4 Tractor Truck by Sinotruk offers an affordable yet high-performance solution for heavy-duty transportation. This truck combines robust power with reliable components, perfect for various freight environments. With its advanced features and efficient powertrain, it ensures smooth operation in demanding conditions.
Available in robust 371HP, 375HP, and 420HP power configurations to suit varying load demands.
Restored to a stringent 95% new standard, ensuring immediate deployment readiness.
Engineered with a heavy-duty 6x4 drive system for superior traction and payload distribution.
Features a comfortable, climate-controlled sleeper cabin to maximize operator productivity on long routes.
Step inside the cabin of this meticulously restored heavy-duty hauler, and you are immediately greeted by the clean, sharp scent of newly upholstered seating and sanitized interior materials. Turn the ignition, and the renowned WD615.47 engine roars to life with a deep, resonant hum—a mechanical symphony that promises relentless power and unwavering stability across grueling stretches of highway. The exterior boasts a flawless, industrial-grade paint finish that feels smooth to the touch, expertly applied to shield the reinforced steel chassis from harsh environmental elements. Every inch of this vehicle, from the polished fuel tanks to the tightly secured air brake lines, reflects superior refurbishment craftsmanship, ensuring it looks, feels, and operates like a machine fresh off the assembly line.
Beyond its imposing physical presence, this tractor truck is engineered to solve the most pressing challenges in modern freight transport. Fleet operators constantly battle against shrinking profit margins and unpredictable vehicle downtime. By integrating a proven, purely mechanical architecture with comprehensive component overhauls, this vehicle drastically reduces initial capital expenditure while maintaining peak operational readiness. The tactile feedback of the HW19710 manual transmission provides drivers with precise, intuitive control over massive trailer loads, translating raw engine torque into smooth, forward momentum. Whether navigating steep, unpaved inclines or cruising efficiently on flat interstate routes, the truck delivers a driving experience that instills confidence, maximizes fuel economy, and ultimately drives your operational profitability upward.
| Specification | Description |
|---|---|
| Truck Model | ZZ4257S3241W (LHD) |
| Power Options | 371HP / 375HP / 420HP |
| Engine Model | WD615.47, 6-cylinder, Turbocharged Intercooling |
| Emission Standard | Euro II |
| Transmission | HW19710, Manual, 10 Forward + 2 Reverse |
| Fuel Tank Capacity | 400 Liters |
| Max Speed | 102 km/h |
| Wheelbase | 3200+1400 / 3225+1350 mm |
| Overhang (F/R) | 1500 / 700 or 725 mm |
| Front Axle / Rear Axle | HF9 / HC16, Dual Axle 16T with Differential Lock |
| Brake System | Dual Air Brake + Engine Exhaust + Spring Parking Brake |
| King Pin | 90# |
| Cab | HOWO A/C Single Sleeper, Ergonomic Design |
| Condition | Fully Refurbished, 95% New Standard |
| Warranty | 1 Year on Key Parts |
| Spare Parts | 100% Genuine Sinotruk or OEM |
| Delivery Time | 10–25 Working Days |
Equipping your transport division with the right machinery means prioritizing both immediate hauling capability and long-term mechanical endurance. This 6x4 tractor truck is packed with engineering highlights designed to optimize heavy-duty logistics, reduce maintenance intervals, and keep your drivers safe and efficient on the road. From its core powertrain to its structural integrity, every feature is geared towards maximizing your return on investment.
Optimized Torque Distribution: The advanced 6x4 drive configuration ensures that engine power is evenly distributed across the dual rear axles, preventing wheel slip and ensuring steady momentum when pulling fully loaded trailers.
High-Capacity Fuel Storage: Equipped with a 400-liter aluminum alloy fuel tank, the truck supports extended operational ranges, significantly reducing the frequency of refueling stops and improving delivery turnaround times.
Triple-Layer Braking Security: The integration of a dual-circuit air brake, engine exhaust brake, and spring parking brake provides operators with exceptional stopping power, crucial for safely navigating steep descents with heavy cargo.
Simplified Maintenance Architecture: The Euro II emission standard engine utilizes a straightforward mechanical fuel injection system, bypassing complex electronics to allow for easier, more cost-effective servicing in remote or emerging markets.
Heavy-Duty Fifth Wheel: The robust 90# (3.5-inch) king pin coupling system guarantees a secure, unyielding connection between the tractor and the trailer, capable of withstanding extreme dynamic forces during transit.
We understand that expanding a commercial fleet with pre-owned machinery requires absolute trust in the restoration process. Our rigorous 95% new standard ensures that every vehicle undergoes a transformative refurbishment, stripping away previous wear and tear to reveal a machine ready for immediate, heavy-duty deployment. This meticulous overhaul is specifically designed to drastically lower your initial capital entry cost while delivering an operational lifecycle that closely rivals brand-new units. By proactively addressing every mechanical, fluid, and cosmetic detail, we eliminate the unpredictable downtime typically associated with used transport vehicles.
Comprehensive System Diagnostics: The engine, transmission, and drivetrain undergo exhaustive stress testing and recalibration to ensure they meet original factory performance metrics.
Fresh Consumables & Wear Parts: All critical wear components, including tires, brake linings, and multi-stage filtration systems, are replaced with brand-new, high-grade equivalents.
Deep Chassis Reconditioning: The structural frame is meticulously sandblasted, inspected for micro-fractures, and recoated with anti-corrosive industrial sealants to prevent rust in humid or saline environments.
Fluid and Lubrication Flush: Every hydraulic, cooling, and lubrication system is completely drained, flushed, and refilled with premium-grade fluids to ensure optimal thermal regulation and friction reduction.
At the beating heart of this formidable hauler lies a powertrain engineered specifically for the most demanding freight environments on the planet. The seamless integration of a high-displacement, turbocharged engine with an ultra-rigid chassis guarantees that maximum payload capacities are met with effortless grace. This golden power chain is not just about raw horsepower; it is about translating fuel into consistent, reliable pulling force that keeps your supply chain moving, regardless of the cargo weight or the severity of the route.
Market-Proven WD615 Engine: Available in 371HP to 420HP variants, this inline 6-cylinder powerhouse delivers immense low-end torque, essential for initiating movement with fully loaded multi-axle trailers.
HW19710 Manual Transmission: Featuring 10 forward and 2 reverse gears, this gearbox allows seasoned operators to precisely match engine RPM to road conditions, maximizing fuel efficiency and preventing engine strain.
HC16 Hub-Reduction Rear Axles: The 16-ton dual rear axles feature advanced inter-wheel and inter-axle differential locks, multiplying torque at the wheel hubs to power through mud, sand, or steep gradients without axle snapping.
HF9 High-Capacity Front Axle: The 9-ton rated front steering axle provides exceptional directional stability and load-bearing strength, preventing front-end dive during heavy braking.
Reinforced Frame Rails: The primary chassis utilizes high-tensile steel frame rails that resist twisting and bending, ensuring the vehicle maintains its structural geometry even under severe torsional stress.
Versatility is the absolute cornerstone of a profitable and resilient transport fleet. This 6x4 configuration is perfectly calibrated to conquer a diverse array of logistical challenges, seamlessly transitioning from smooth, high-speed highways to unforgiving, unpaved off-road terrains. By investing in a highly adaptable platform, fleet managers can confidently bid on a wider variety of freight contracts, knowing this truck possesses the mechanical fortitude to handle everything from standard container drayage to the transport of raw, heavy industrial materials.
Long-Distance Intercity Logistics: The aerodynamic profile and efficient cruising speed make it highly economical for hauling standard dry vans or refrigerated trailers across vast highway networks.
Port and Railyard Operations: Its tight turning radius and robust fifth wheel make it exceptionally suited for the continuous, high-frequency coupling and uncoupling of heavy shipping containers.
Construction and Mining Support: The high ground clearance and differential locking capabilities allow the truck to pull flatbeds loaded with heavy machinery or steel beams directly into rugged job sites.
Bulk Liquid and Material Transport: The stable 6x4 footprint effectively mitigates the dangerous sloshing effect of liquid tankers and easily supports the immense weight of bulk aggregate trailers.
A well-rested, comfortable driver is inherently a safer and significantly more productive driver. The HW76 cabin has been thoughtfully redesigned and restored to create a quiet, ergonomic sanctuary, actively shielding operators from the harsh, fatiguing realities of long-haul transportation. By prioritizing the human element of freight logistics, this truck helps fleet managers retain top driving talent, reduce accident rates caused by exhaustion, and ensure that delivery schedules are met with precision and care.
Climate-Controlled Environment: A highly efficient, newly serviced air conditioning system and upgraded thermal cabin insulation keep the interior cool and comfortable, even in blistering tropical or desert climates.
Ergonomic Dashboard Layout: All vital gauges, pneumatic switches, and diagnostic indicators are curved toward the driver, allowing for intuitive operation without needing to take eyes off the road.
Integrated Single Sleeper Berth: A spacious, cushioned rear sleeping area provides drivers with a dedicated space for mandatory rest periods, eliminating the need for external accommodations on multi-day routes.
Pneumatic Suspension Seating: The fully adjustable driver's seat utilizes air-ride technology to absorb harsh road vibrations and jolts, drastically reducing lower back strain during extended shifts.
Panoramic Visibility: Expansive windshield glass and strategically positioned multi-angle mirrors eliminate dangerous blind spots, enhancing safety during tight yard maneuvers and highway lane changes.
Procuring heavy machinery is only the beginning of the operational lifecycle. We provide a comprehensive, globally minded support ecosystem designed to completely eliminate maintenance anxieties and keep your fleet moving without costly interruptions. We recognize that in the logistics industry, a truck waiting for parts is a truck losing money. Therefore, our post-delivery infrastructure is built around rapid response, guaranteed component compatibility, and long-term mechanical peace of mind.
1-Year Core Component Warranty: We stand firmly behind our refurbishment quality by offering a full year of warranty coverage on major driveline components, protecting your investment from unforeseen mechanical failures.
100% Genuine Parts Guarantee: We exclusively supply authentic Sinotruk (Genuine) or premium OEM replacement parts, ensuring that every filter, belt, and valve perfectly matches your vehicle's exact specifications.
Rapid Parts Dispatch: Leveraging an extensive inventory network, we process and ship critical replacement parts swiftly, minimizing workshop time and maximizing your vehicle's on-road availability.
Dedicated Technical Guidance: Our team of seasoned heavy-duty mechanics is available to provide remote diagnostic support and maintenance advice to your local workshop technicians.
Expanding your fleet across international borders should never be hindered by complex logistical bottlenecks or bureaucratic red tape. Our specialized export logistics division ensures that your newly acquired vehicles arrive safely, promptly, and with all regulatory compliance flawlessly handled. We take the friction out of global procurement, offering transparent shipping schedules and tailored maritime solutions that protect your machinery while optimizing freight costs.
Expedited Delivery Timeframes: We guarantee a highly efficient preparation and port-dispatch window of just 10 to 25 working days, getting your assets into revenue-generating service faster.
Flexible Maritime Solutions: Depending on your destination and budget, we arrange secure transport via Roll-on/Roll-off (RoRo) vessels, bulk cargo ships, or specialized flat-rack containers.
Anti-Corrosion Transit Protection: Prior to ocean voyage, vehicles are treated with protective marine-grade wax coatings to prevent saltwater corrosion during transit.
Comprehensive Documentation: We provide a complete, error-free suite of export documents, including Commercial Invoices, Bills of Lading, and Certificates of Origin, ensuring swift and seamless customs clearance at your destination port.
Partnering with a dedicated, professional supplier for your fleet expansion means securing a definitive competitive edge in the fast-paced logistics sector. We go far beyond mere transactional sales; we offer strategic, end-to-end procurement solutions tailored specifically to your heavy-duty operational demands. Our commitment to engineering excellence, transparent pricing, and unwavering post-sale support makes us the preferred choice for transport operators looking to scale their capacity intelligently and sustainably.
Unmatched Cost-to-Value Ratio: By perfecting the refurbishment process, we deliver the reliability and aesthetic appeal of new machinery at a fraction of the capital investment, accelerating your ROI.
Stringent Quality Control: Every single truck must pass a rigorous, multi-point inspection checklist conducted by certified engineers before it is ever cleared for export.
Deep Industry Expertise: With years of specialized experience in heavy-duty commercial vehicles, we understand the exact mechanical requirements needed to survive in harsh, high-stress transport environments.
End-to-End Procurement Partner: From the initial vehicle selection and custom horsepower tuning to international freight and lifecycle parts supply, we handle the entire process under one roof.
The Euro II engine utilizes a highly reliable, purely mechanical fuel injection system. Unlike modern engines that rely on highly sensitive electronic control units (ECUs) and require ultra-low sulfur diesel, the Euro II WD615 engine is highly tolerant of varying fuel qualities. This makes it incredibly easy and cost-effective to maintain and repair in regions where advanced diagnostic computers or premium fuels are not readily available.
Our comprehensive refurbishment leaves nothing to chance. We install brand-new heavy-duty tires, replace all air, oil, and fuel filters, and install new brake linings. The interior cabin is deeply sanitized, and worn upholstery or dashboard elements are replaced. Mechanically, the engine and transmission are opened, inspected, and any gears, seals, or bearings showing wear are swapped for genuine new parts. Finally, the entire chassis and exterior receive a fresh, industrial-grade paint job.
Absolutely. The HC16 is a 16-ton rated hub-reduction axle specifically engineered for severe off-road and heavy-load conditions. The hub-reduction technology reduces the stress on the main axle shafts by transferring the final gear reduction to the wheel hubs. Combined with the built-in inter-wheel and inter-axle differential locks, it provides exceptional durability and traction in deep mud, loose gravel, and steep, unpaved inclines.
Vehicle safety during ocean transit is a top priority. For RoRo shipping, the trucks are driven directly into the enclosed, weather-proof decks of the vessel and securely lashed to the deck using heavy-duty chains attached to designated chassis anchor points. For bulk shipping, the vehicles are lifted via crane, securely lashed, and we apply a specialized anti-rust marine wax to the exterior and exposed metal components to protect against corrosive saltwater spray.
Yes, we offer flexible power configurations to meet your specific hauling requirements. The WD615 engine platform is highly adaptable, and our engineers can calibrate the turbocharging and fuel delivery systems to output 371HP, 375HP, or 420HP. We will consult with you regarding your typical payload weights and route topographies to recommend and configure the optimal horsepower setting for maximum fuel efficiency and towing performance.
