Sinotruk SITRAK 4X2 540

Full Specifications of SITRAK G7S 540HP 4×2 Tractor Head
This vehicle is a luxury high-roof flat-floor long-distance tractor equipped with S-AMT16 16-speed automated manual transmission, specially designed for trunk logistics transportation.
I. Basic Vehicle Parameters
Model No.: ZZ4256W324HF1B
Max Gross Combination Weight: 40 tons
Curb Weight: approx. 8.3 tons
Application: Long-distance trunk standard-load transport, cold chain, container haulage, green channel logistics
Rear Axle Ratio: 2.85 / 3.36 optional, low ratio for fuel-saving highway cruising
II. Powertrain System
Engine MC13H.54-61 China National VI
Displacement: 13L inline 6-cylinder heavy-duty diesel engine
Rated Power: 540 HP, Peak Torque: 2500 N·m
Structure: 4-valve high-pressure common rail, vermicular cast iron cylinder block
Auxiliary Brake: High-power engine exhaust brake; hydraulic retarder optional
Transmission S-AMT16 16-speed AMT
Model HW27716XAL 16-speed automated manual gearbox
16 forward gears + 2 reverse gears, intelligent auto shifting
Functions: Neutral coasting, creep mode, forced downshift, ACC adaptive cruise matching
Advantage: Reduce driver fatigue, save about 2L fuel per 100km vs manual transmission
Drive Rear Axles
Dual 440 single-reduction welded rear axles for 6×4 layout
Airbag suspension on drive axles for superior shock absorption
Long-life maintenance-free wheel hub bearings
III. Chassis & Running Gear
Frame: High-strength double-layer widened frame; front leaf spring, rear 4-point air suspension
Wheels & Tires: Full aluminum alloy wheels, 12R22.5 18PR tubeless radial tires
Fuel System: Dual aluminum fuel tanks (total 1000L), fuel heating device optional
Braking System: Full air disc brake, standard ABS+ASR; hydraulic retarder optional
Other Chassis Parts: 90# JOST lightweight fifth wheel, 4-way panoramic camera system
IV. Cab & Interior (G7S High-Roof Flat-Floor Luxury Cab)
Cab Structure
Full flat floor without inner steps; 4-point full-floating air suspension cab, double-layer sound & heat insulation; large aerodynamic roof deflector for wind resistance reduction.
Comfort Equipment
Air-suspension leather driver seat with lumbar support, heating & ventilation optional
Electrically adjustable & heated wide-angle rearview mirrors
Oversized upper & lower sleeper bunks with thickened mattresses
Automatic constant temperature air conditioner, independent parking heater, parking air conditioner & refrigerator reserved slots
12-inch smart central control touch screen with Bluetooth, mobile phone interconnection & navigation
Built-in 220V vehicle power inverter, multiple large-capacity storage compartments
Intelligent Safety Electronic Devices
Full LCD combination instrument panel; LDW lane departure warning, FCW forward collision warning, real-time tire pressure monitoring; ACC adaptive cruise, overspeed & fatigue driving reminder, engine exhaust brake.
V. Exterior Exclusive Configurations
Classic SITRAK front fascia with golden SITRAK letter logo & golden MAN lion emblem; black honeycomb air intake grille; integrated LED combination headlights with daytime running lights; exclusive G7S decorative decals on side body; thickened anti-corrosion coating for full chassis.
VI. Core Advantages
Excellent fuel economy: 13L 540HP engine matched with 16-speed AMT and low-ratio airbag rear axles, low cruising RPM for highway fuel saving.
Superior riding comfort: Flat-floor high-roof cab, full vehicle air suspension, shock-absorbing leather seats to relieve long-distance driving fatigue.
High reliability & attendance rate: MAN-technology powertrain, long-service-life spare parts, anti-corrosion chassis, ideal for long-distance dedicated lines.
Complete intelligent safety systems: Full set of active safety warning systems, adaptive cruise and panoramic cameras to reduce driving risks.
Wide application range: 1000L large-capacity fuel tank for long cruising range; airbag rear axles suitable for cold chain and precision cargo transportation.