Howo NX 350HP 6×4 Dump Truck – U-Shape Dump Box

The NX 350HP 6×4 U-Shape Dump Truck features a new, modern exterior design. It belongs to the HOWO MAN product line — representing the new generation of the HOWO N-Series. Upgraded from the VX product line, it is engineered to meet the diverse demands of construction, transport, and heavy-duty applications.

Let’s explore the NX 350HP 6×4 U-Shape Dump Truck, a model that stands out with its exceptional power, durability, and smart design.

EXTERIOR DESIGN

The NX 350HP 6×4 Dump Truck boasts a strong, distinctive appearance with a low-roof single sleeper cabin, designed and manufactured under MAN – Germany standards, ensuring operational safety.

• The front grille is harmoniously designed, delivering a powerful and balanced look that reflects the identity of the new-generation HOWO trucks.
• The iron front bumper, 750mm high, offers symmetry and durability—ideal for construction site operations.
• Wide-angle rearview mirrors ensure panoramic visibility from multiple viewing angles.
• The lighting system integrates Halogen, Xenon, and LED lights for improved illumination, longer lifespan, and higher energy efficiency.
• The front bumper can be detached easily to adapt to narrow or uneven terrains.

INTERIOR DESIGN

The cabin is spacious and modern, featuring upgraded materials for the seats, sleeper, dashboard, and trims—enhancing both comfort and aesthetics.
The sleeper (700mm width) includes a built-in storage compartment. The overall cabin structure is optimized for reduced weight and increased interior space.

• Two-tone dashboard: upper black, lower gray—modern and elegant.
• Multifunction LCD with Bluetooth, radio, USB port, hazard light switch, headlight angle control, and fuel pump switch.
• Electric cabin lifting switch, automatic A/C, 5V–2.1A USB charging port, and cigarette lighter.
• Driver-side control panel: one-touch electric windows, 4-way electric mirror adjustment, and mirror heating.
• Four-spoke sporty steering wheel, elegantly redesigned.

Left stalk: air horn, high beam flash, and wipers.

Right stalk: engine brake (Cup pô), and Cruise Control adjustment.

• Storages: overhead compartment plus two additional storage bins on each side of the sleeper and under the mattress.
• Air suspension driver’s seat with multiple adjustments and auto height control for optimal comfort.

POWERTRAIN AND TRANSMISSION

Engine: MAN-Technology engine

• Model:  MC07H.35-50 
• Output: 350 Hp
• Torque: 1400 N.m / 2200 rpm
• Maintenance interval: up to 100,000 km
• 5–10% improved fuel efficiency
• B10 lifespan up to 1.5 million km
• EVB engine brake system enhances safety and braking control
• FLEETGUARD fuel filter, replacement every 100,000 km (recommended 60,000 km for long-haul or 40,000 km for construction use in Vietnam)
• Built-in automatic fuel priming pump, with control switch located inside the cabin

Gearbox: Sinotruk Gearbox

• Model: HW19712L
• Type: 12 forward gears + 2 reverse gears
• Torque capacity: 1,900 N·m — allowing smoother gear operation.
• Helical gears with dual auxiliary shafts and synchronizers improve power delivery, durability, and stability.

Axles: 

• Front axle: VGD75 — Load capacity: 7.5 tons.
• Rear axle: MCZ16ZG — Load capacity: 16 tons

SUSPENSION SYSTEM

• Front: 10-leaf spring with hydraulic shock absorbers and stabilizer bar.
• Rear: 12-leaf dual spring pack with lower U-bolts for easier maintenance + rear stabilizer bar.

DUMP BOX

• Dimensions: 5000 × 2300 × 900 mm
• Volume:  10.4 m³
• Thickness: Side 2.5 mm – Bottom 3.5 mm
• Material: High-strength H850 steel, twice as durable as conventional Q345B.

HYDRAULIC SYSTEM 

• Hydraulic Piston Cylinder: SUNHUNK HCTM 169-4
• Maximum outer diameter: 140 mm, 4-stage cylinder, maximum length: 4450 mm.
• Chrome-plated piston for anti-rust protection and stable performance under all weather conditions

Other Specifications

• Chassis frame: Double-layer (8+5) mm for extra strength
• Fuel tank: 400 liters

Equipped with 12.00R20 tires (18PR) for heavy-duty load performance.