WG2211040107 5th gear is made of high-strength alloy steel and undergoes overall precision heat treatment through carburizing and quenching. It features high hardness and good toughness, offering excellent wear resistance and impact resistance without easily suffering tooth chipping or deformation.

Adopting precision gear hobbing and grinding technology, it delivers accurate tooth profile and tight meshing, ensuring smooth transmission, low operating noise and outstanding torque bearing capacity.

Manufactured in strict accordance with original factory standard dimensions, it fits multiple Sinotruk gearbox models with easy alignment installation and strong compatibility. Durable enough for heavy-load and long-distance working conditions, it effectively reduces gear jumping and abnormal noise faults of the gearbox.