Heavy-Duty Cargo Tractor Truck

Engineered for high-intensity long-haul logistics and heavy cargo distribution, this heavy-duty cargo tractor truck integrates high-torque diesel power, reinforced chassis structures, and high-capacity single or tandem drive axles to ensure dependable performance across demanding operating conditions. Designed to couple seamlessly with various semi-trailers including flatbed, cargo box, and stake trailers, it delivers stable tractive force, optimized fuel combustion efficiency, and robust mechanical endurance required by professional transport fleets operating in rigorous international environments.

Engine Displacement & Output: 9.7L to 12.4L inline-6 turbocharged diesel engines delivering rated power from 371 hp to 430 hp (273 kW to 316 kW).

Torque Characteristics: Peak torque output of 1,500 Nm to 2,200 Nm sustained across a low-end RPM band (1,100 – 1,500 rpm) for enhanced gradeability.

Fuel Injection & Emissions: High-pressure common rail (HPCR) direct injection paired with selective catalytic reduction (SCR) technology, complying with Euro II to Euro V standards.

Thermal Management: Heavy-duty cooling package featuring an enlarged radiator core, viscous fan clutch, and intercooler for high ambient temperatures.

Axle Configuration: Tandem 6x4 rear drive for maximum unpaved traction, or single 4x2 rear drive optimized for highway fuel efficiency.

Transmission Systems: 10-speed forward / 2-speed reverse manual transmissions or synchronized 12-speed mechanical gearboxes with cast-iron housings.

Axle Specifications: Hub-reduction rear axles equipped with inter-wheel and inter-axle differential locks; standard axle ratio of 4.42 or 4.80.

Suspension Architecture: Heavy-duty multi-leaf semi-elliptic springs (front 9/10 leaves, rear 12 leaves) with reinforced torque rod assemblies.

Fifth Wheel Plate: Cast steel fifth wheel in 2-inch (50#) and 3.5-inch (90#) configurations, rated for up to 25,000 kg vertical static load.

Load Distribution: Optimized kingpin placement to maximize vertical load transfer without compromising front-axle steering response.

Trailer Interfaces: Dual-line ISO standard pneumatic brake couplings (service/emergency lines) and a 7-pin 24V electrical socket.

Cab Architecture: High-roof and flat-roof sleeper cab configurations built from stamped steel panels with anti-corrosion electrocoating.

Interior Features: Air-suspension driver seat with lumbar adjustment, multi-function steering wheel, and logically clustered dashboard controls.

Rest Facilities: Single or double-bunk berths with high-density foam mattresses, overhead storage compartments, and under-bunk utility lockers.

Climate Control: Integrated high-capacity air conditioning and heating system with multi-vent distribution and pollen filtration.

Long-Haul Logistics: High-mileage cargo transport across regional highway networks pulling enclosed box or curtain-side semi-trailers.

Port Drayage: Continuous shuttle operations moving heavy shipping containers between maritime terminals and inland hubs.

Mining & Aggregate Support: Transporting construction materials and machinery on compacted dirt haul roads and industrial sites.

Bulk Cargo Distribution: Hauling large agricultural produce, livestock trailers, and industrial raw materials across varied topography.

Service Intervals: Recommended engine oil and filter replacement at 20,000 km or 300 operating hours under standard conditions.

Service Accessibility: Swing-out front grille and centralized fluid check points for rapid pre-trip inspections and routine servicing.

Spare Parts Supply: Global inventory of replacement parts-including brake linings, clutch assemblies, air dryer cartridges, and filters-ready for prompt dispatch.

Technical Documentation: Multilingual engineering support, detailed parts catalogs, and digital wiring schematics provided for fleet maintenance teams.