The HOHAN 6x4 375HP tractor truck, a core heavy-duty model in Sinotruk's HOHAN series, features a precise 375 horsepower engine and a 6×4 (three-axle, front-axle steering, rear-axle dual-drive) drive configuration. It is specifically designed for long-distance heavy-duty logistics, mining traction, and engineering equipment transport. Integrating Sinotruk's mature powertrain technology with modular and lightweight design concepts, it balances power performance, load-bearing stability, and operational economy. Possessing strong traction capabilities, its flexible adaptability and high cost-effectiveness, it has become the preferred model for domestic logistics companies, mining enterprises, and overseas users. It has been exported in batches to Africa, Southeast Asia, the Middle East, and other regions. After years of market testing, its reliability, durability, and ease of maintenance have earned widespread recognition.

I. Vehicle Positioning and Core Value The Howo 6x4 375HP tractor unit focuses on the core positioning of "precise power, heavy-load reliability, and high cost-effectiveness," targeting the 375hp mid-to-heavy-duty tractor market. It precisely fills the market gap between light-duty and medium-weight tractors and high-horsepower heavy-duty tractors, meeting the dual demands of power and stability for long-distance standard-load, mining, and engineering tractor applications. It is the core choice for individual owners, small and medium-sized logistics companies, and engineering fleets. Its core value lies in "strong power, stable traction, low wear and tear, and easy maintenance." Relying on a 375hp high-power engine and a 6×4 dual-drive chassis, it can easily handle complex working conditions such as long-distance high-speed cruising, heavy-load climbing, and unpaved road travel. Optimized design reduces operating costs, and leveraging the standardized production advantages of China National Heavy Duty Truck Group (CNHTC), it achieves strong parts commonality and convenient maintenance, adapting to the regulations and road conditions of different regions worldwide, achieving the operational goal of "efficient traction and low-cost profitability."

II. Core Advantages: 375 Horsepower Power, Demonstrating Core Strength

1. Precise 375 Horsepower Power, Ample Reserves and High Efficiency

The Howo 6x4 375HP tractor is equipped with a series of 375 horsepower engines from China National Heavy Duty Truck Group (CNHTC) such as the WD615.96E and WD615.47. Some models can also be equipped with Weichai engines of the same power. All engines are inline six-cylinder, water-cooled, turbocharged and intercooled, four-stroke direct injection designs, with a displacement of 9.726L. The maximum output power can reach 276kW, and the maximum torque is as high as 1500N·m. The power output is abundant and stable, and the maximum torque can be reached at 1100-1600rpm. The starting, climbing and acceleration capabilities are outstanding. Even under the maximum towing gross weight of 40 tons, it can maintain efficient operation and easily meet the high-intensity needs of long-distance heavy loads and engineering equipment towing. The engine is professionally tuned, boasting exceptional fuel adaptability and compatibility with various diesel fuel qualities. This effectively reduces the risk of malfunctions due to fuel quality issues, making it particularly suitable for road conditions and fuel quality in regions like Africa. Utilizing common rail injection technology, it ensures complete combustion, balancing fuel economy and environmental friendliness. Emission standards cover Euro II, Euro III, and China III, meeting environmental regulations in different regions worldwide. Furthermore, the engine's outstanding reliability and low maintenance costs further reduce subsequent operating costs for users.

2. 6×4 Dual-Drive Chassis: Stable Traction and Robust Load Capacity. Designed specifically for the 375 horsepower output, the chassis has undergone exclusive optimization. It employs a high-strength U-shaped parallel ladder frame with cross-sectional dimensions of 300×80×8mm. The subframe crossbeams feature a cold-riveted reinforcement design, resulting in a robust and durable overall structure that effectively distributes traction pressure and load, extending the chassis's service life. The front axle uses HF7 or HF9 series 7-9 ton class axles, with a permissible load of up to 7000 kg. It features a dual-section beam steering design for stable steering. The rear axle is equipped with ST16 or HC16 series 16-ton dual rear axles, with a single axle load capacity of up to 16000 kg. It features inter-wheel and inter-axle differential locks, significantly improving passability and traction stability. Compared to 4×2 models, the 6×4 dual-drive layout better distributes load and enhances friction, adapting to various complex road conditions such as highways, mountain roads, and unpaved mining surfaces, easily handling the dual challenges of heavy-duty traction and complex road conditions. The chassis suspension system uses 10-leaf front semi-elliptical steel leaf springs and 12-leaf rear semi-elliptical steel leaf springs, combined with hydraulic telescopic double-acting shock absorbers and stabilizers, providing excellent driving stability, effectively mitigating road bumps, and ensuring the safety of cargo transportation.

3. Lightweight Optimization, Controllable Operating Costs: The vehicle adopts a platform-based, modular, and lightweight design. While ensuring body strength and traction, it extensively uses aluminum alloy materials (aluminum alloy fuel tank, aluminum alloy air tank, etc.), coupled with lightweight components such as fewer leaf springs and tubeless tires. The overall vehicle curb weight is controlled between 8.5-9.2 tons, giving it an advantage over comparable models with the same horsepower, allowing it to carry more cargo and improve transportation efficiency. Simultaneously, the optimized cab aerodynamic design effectively reduces high-speed drag, and combined with efficient engine combustion technology, fuel consumption per 100 kilometers can be controlled within a reasonable range, resulting in significant fuel cost savings over long-term operation. The vehicle's purchase price is affordable, costing only 50%-70% of similar imported European models. Furthermore, the parts are highly interchangeable and inexpensive. The cab tilt angle reaches 55°, facilitating the inspection and maintenance of components such as the engine and water tank. Basic maintenance can be performed without specialized technicians, effectively reducing downtime and maintenance costs, meeting users' operational demands for "low cost, high return."

4. Comfortable Driving Experience and Comprehensive Safety Features: Utilizing Howo H16 or H18 series cabs, the cab offers high-roof double or single sleeper designs, accommodating two people. The spacious interior features a rational layout, user-friendly instrument and door switches, and a slatted sleeper berth design for enhanced rest comfort. Ample storage space meets the rest needs of long-distance drivers. The cab employs a four-point full-floating suspension, paired with an air-damped seat with lumbar support, effectively mitigating discomfort from road bumps. The interior is richly equipped, with standard features including air conditioning, power windows, power mirrors, FM/AM/SW four-band radio, and an adjustable steering wheel. Some models are equipped with a large LCD instrument display, relay control system, and cruise control, significantly reducing fatigue during long-distance driving. In terms of safety features, it comes standard with an imported WABCO ABS anti-lock braking system, dual-circuit air pressure braking, spring energy parking brake, and engine exhaust braking. Combined with a large windshield and multiple convex rearview mirrors, it reduces blind spots. The cab features an all-steel body, and all safety performance indicators meet relevant regulations, providing drivers with comprehensive safety protection and adapting to complex driving scenarios such as nighttime, rainy days, and steep slopes.

5. Flexible Configuration, Adaptable to Diverse Scenarios The Howo 6x4 375HP tractor offers a wealth of customized configurations, which can be flexibly adjusted according to the needs of different regions and operating scenarios: the steering system adopts ZF 8118 hydraulic power steering, which is light and convenient to operate, reducing driving intensity; the standard tires are 10 tires (including 1 spare tire) of 12R22.5 or 315/80R22.5 radial tires, and 11.00-20, 12.00R20, or anti-skid mining tread tires can be selected according to needs to adapt to different road conditions; the fuel tank is a 400L aluminum alloy tank, which can be upgraded according to the needs of long-distance transportation, providing sufficient range and reducing the frequency of refueling. Meanwhile, the vehicle is compatible with both left-hand drive and right-hand drive modes to meet the travel needs of different countries and regions. The saddle is compatible with 2-inch or 3.5-inch sizes (such as JOST90#), and it is compatible with various trailer types including flatbed trailers, tank trailers, container trailers, and low-flatbed trailers. It is widely applicable to diverse scenarios such as long-distance heavy-duty logistics, mining traction, engineering equipment transport, and port transshipment, and is particularly suitable for the long-distance logistics and mining support needs in regions such as Africa.

III. Core Technical Parameters (Mainstream Models)

- Drive Type: 6×4 (three axles, front axle steering, rear axle dual drive), 10-wheel configuration, stable traction, strong off-road capability

- Engine: Mainstream equipped with Sinotruk WD615.96E or WD615.47 375hp engines, inline six-cylinder, water-cooled, turbocharged intercooled, emission standards Euro II, Euro III, and China III optional, displacement 9.726L, maximum output power 276kW, maximum torque 1500N·m

- Transmission: Standard equipped with Sinotruk HW15710 or HW19710 ten-speed manual transmission, 10 forward gears + 2 reverse gears, with PTO, smooth shifting, strong torque capacity

- Axles: Front axle HF7/HF9 series 7-9 ton class, rear axle ST16/HC16 series 16 ton class dual rear axles, single axle load capacity 16000KGS, gear ratio optional 3.7-5.73, equipped with inter-wheel and inter-axle differential locks

Tires: 10 radial tires (12R22.5, 315/80R22.5, including 1 spare tire), optional 11.00-20, 12.00R20 specifications and anti-skid mining tread tires

Vehicle parameters: Curb weight 8.5-9.2 tons, gross vehicle weight 25 tons, maximum towing gross vehicle weight 40 tons, overall dimensions approximately 6850×2496×3750mm, wheelbase optional 3200mm, 4600+1350mm, etc., maximum speed 75-100km/h

- Cab: H16/H18 series high-roof double/single sleeper cab, accommodating 2 people, equipped with four-point full-floating suspension, air-damped seats, air conditioning, power windows, etc.

- Other features: ZF 8118 hydraulic power steering, dual-circuit air brakes, engine exhaust brake, 24V electrical system (2×12V 165AH batteries), 400L aluminum alloy fuel tank, ABS anti-lock braking system, some models equipped with cruise control and LCD display instruments.