Sinotruk Sitrak 4x2 head tractor truck is a high-end heavy-duty truck for long-distance and high-speed logistics and express express industry, featuring light weight, high load bearing and low wind resistance. The cab is made of high-strength synthetic material, with strong MC front axle and frame cross member, which ensures high rigidity and durability of the whole truck while it is lightweight. The cab is equipped with four-point airbag suspension and wheelbase air suspension to realize good airflow guidance and reduce wind resistance and fuel consumption.
Sinotruk Sitrak 4x2 head tractor truck is powered by China National Heavy Duty Truck (CNHTC) MC series engine, available in 400 or 480 hp versions, and mated with ZF transmission, which is characterized by high transmission efficiency and smooth gear shifting. The cab is ergonomically designed and equipped with a number of comfort features, such as electric sunroof, airbag seats, automatic air conditioning and visual instrumentation, to provide a comfortable working environment for the driver and passengers. In addition, the Sinotruk Sitrak 4x2 head tractor truck is equipped with advanced intelligent driver assistance systems to enhance driving safety.
Drive mode |
4×2 |
6×4 |
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Overall dimension |
L×W×H (mm) |
6220×2496×3410,3620,3960,3980 |
6895×2496×3410,3620,3960,3980 |
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Wheelbase (mm) |
3600 |
3225+1350,3200+1400 |
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Front / rear wheel base (mm) |
2022,2041/1816 |
2022,2041/1830 |
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Max. total mass (kg) |
18000 |
25000 |
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Curb weight (kg) |
6800 |
8800 |
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Cab |
Space size |
C7H-P (wide body and medium / high roof), C7H-G (wide body and high roof), C7H-F (medium-wide body and middle / high roof), C7H-U (medium-wide body and high roof) |
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External |
4-point full-floating cab suspension, double toolkits, one-touch lifting window, MAN proprietary technology door hinge |
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Internal |
Air seat with waist cushion, pneumatic adjustable steering wheel, VDO instrument, height-adjustable safety belt, electrical adjustable rearview mirror, rearview mirror electrical heater, skeleton-type berth Dimension of lower berth (mm): Wide-body cab: 2,184×675, medium-wide body cab: 1,986×625 Dimension of upper berth (mm): Wide-body cab: 2,137×701, medium-wide body cab: 1,936×701 |
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Engine |
Emission standard |
China III |
China IV |
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Engine model |
MC11.35-30 |
MC11.39-30 |
MC11.43-30 |
MC11.36-40 |
MC11.40-40 |
MC11.44-40 |
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Max. net power / speed |
257/1900 |
287/1900 |
316/1900 |
265/1900 |
294/1900 |
324/1900 |
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Max. torque / speed |
1800/1000-1400 |
1900/1000-1400 |
2100/1000-1400 |
1800/1000-1400 |
1900/1000-1400 |
2100/1000-1400 |
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Transmission |
Model |
ZF16S1870 |
ZF16S1950 |
ZF16S221 OD |
ZF16S1870 |
ZF16S1950 |
ZF16S221 OD |
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First gear / top gear ratio |
15.39/0.85 |
11.64/0.83 |
13.80/0.84 |
15.39/0.85 |
11.64/0.83 |
13.80/0.84 |
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Clutch |
430A |
430A |
Built-in clutch assembly |
430A |
430A |
Built-in clutch assembly |
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Drive axle |
Model |
MCY13 |
MCY13Q |
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Ratio |
3.08, 3.36, 3.7, 4.11 |
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Suspension system |
Front / rear less-leaf spring suspension |
Front / rear less-leaf spring suspension, HUV suspension (optional) |
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Saddle |
Jost 50 international standard saddle |
Jost 90 international standard saddle |
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Front axle |
HF7disc brake (standard configuration: SKF bearing) |
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Steering system |
ZF8098 steering gear and ZF steering oil pimp |
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Braking system |
ABS (WABCO braking system), VOSS fittings, TMD disc brake friction block, ASR+EBL+TPM (optional) |
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Air intake system |
MANN+HUMMEL air filter |
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Fuel tank |
400 L, optional 560 L (only for 4×2 and 6×4 China III) |
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Tyre |
PIRELLI 315/80R22.5, MICHELIN tyres (optional) |
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Others |
Automatic slack adjuster (standard configuration), tachographs, integrated fender, split side protection, and fleet management system (optional) |
The engine of Sinotruk Sitrak 4x2 head tractor truck is characterized by low speed and high torque output, high fuel efficiency and low maintenance cost. The cab adopts four-point airbag suspension system, which effectively reduces vibration and noise and provides a good driving experience. The front and rear leaflet spring suspension and dual circuit pneumatic braking system, together with the large-capacity air storage cylinder, ensure safe and reliable braking. The frame and suspension system are made of high-strength steel to ensure the stability and durability of the Sinotruk Sitrak 4x2 head tractor truck under heavy loads, and the Sinotruk Sitrak 4x2 head tractor truck is also equipped with ABS anti-lock braking system to further enhance driving safety.
Sinotruk Sitrak 4x2 head tractor truck is mainly suitable for long-distance and high-speed logistics transportation. With its lightweight design and low wind resistance, it can significantly reduce fuel consumption and improve transportation efficiency. It can haul various types of semi-trailers to transport general cargo and bulk commodities. In the field of express express transportation, its high carrying capacity and good power performance can ensure that the goods are delivered to the destination in time and safely. In addition, the Sinotruk Sitrak 4x2 head tractor truck can also be used for logistics distribution in cities and surrounding areas to meet the transportation needs of different customers, and its excellent performance and economy make it an ideal choice for the logistics industry.