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Sitrak is a brand of heavy-duty trucks from SINOTRUK, featuring technology and design elements derived from MAN SE, a German manufacturer. This collaboration, which began around 2009, gave SINOTRUK access to MAN's key components and engineering expertise.
The specifications that are explicitly stated to be from MAN, or are direct results of the collaboration, are primarily in these areas:
Engine
Sitrak trucks, especially the C7H and G7 models, use a range of engines that are based on MAN's D20 and D26 engine series. These are branded as the SINOTRUK MC series (e.g., MC11 and MC13).
* Engine Series: MC11 and MC13.
* Displacement: The MC11 engine has a displacement of around 10.5 L (localized version of the MAN D20), and the MC13 has a displacement of about 12.4 L (localized version of the MAN D26).
* Technology: These are 6-cylinder, in-line diesel engines with common rail fuel injection, turbocharging, and intercooling.
* Performance: They offer a wide range of power outputs, from roughly 310 hp to over 540 hp.
Axles
MAN's expertise is also evident in the axles used in Sitrak trucks.
* Drive Axles: Sitrak often uses MCY13 (MAN 13-ton single reduction) drive axles, which are known for their high transmission efficiency.
* Front Axles: Front axles are also based on MAN designs, such as the VGD95 self-aligning arm front axle.
Transmission
While Sitrak uses a variety of transmissions, the higher-end models often feature transmissions from ZF, a German company that has a long-standing partnership with MAN.
* Gearbox: ZF-branded manual and Automated Manual Transmissions (AMTs) are common. These gearboxes are known for their reliability, high performance, and smooth shifting.
Cab
The cab of the Sitrak C7H is directly based on MAN's TGA cab design, which provides a high level of comfort, space, and safety.
* Design: The cab structure and dimensions are derived from the MAN TGA, offering a spacious and ergonomic environment.
* Safety: The cab design meets ECE-R29 crashworthiness standards.
* Features: The cab incorporates features like a four-point full-floating cab suspension and door hinges based on MAN's proprietary technology.
Chassis and Braking System
The frame and braking systems also reflect the MAN-derived technology.
* Frame: Some models feature a TGA-technical frame, indicating its MAN origin.
* Brakes: The braking system often includes a WABCO braking system (a German company), and can be equipped with advanced safety features like ABS, EBS (Electronic Braking System), and ESC (Electronic Stability Control), which are standard on modern European trucks like those from MAN.
* Steering: Sitrak trucks often use Bosch steering gear, another well-known German component.