81.35106.0036 Half Shaft Gear

The 81.35106.0036 Half Shaft Gear is a key transmission part for SHACMAN heavy - duty trucks' rear - axle differential systems. It transmits differential torque to the half shaft, helps adjust wheel speed when turning, and bears loads, which is essential for truck power output and driving safety. We use high - quality 22CrMoH alloy steel to make it. After two forgings and 12 - hour heat treatment, its hardness reaches 60 - 62 degrees, being wear and impact - resistant. The tooth surface is ground to grade 6 standard for smooth meshing. Its installation size and tooth profile fit the original SHACMAN rear - axle differential exactly, so no modification is needed for installation. It can cope with tough conditions like 2 - 550Hz vibration, heavy loads and long - term friction without tooth breakage, deformation or excessive wear. Replacement is easy: just take apart the differential housing, take out the old gear, install the new one and reassemble the housing. Before delivery, we conduct strict tests on hardness, wear and meshing to ensure reliability.

Product Model: 81.35106.0036

Applicable vehicles: SHACMAN heavy - duty trucks (original rear - axle differential system)

Type: Half shaft gear (22CrMoH alloy steel)

Function: Transmit power, assist steering, bear loads to ensure stable driving

Material: 22CrMoH alloy steel (after two forgings and 12 - hour heat treatment)

Installation: Direct replacement - fits original rear - axle differential's size and parameters

Working conditions: - 40℃ ~ 120℃; hardness 60 - 62 degrees; service life ≥ 350,000 km; meets grade 6 inspection standard

①Durable and wear - resistant: 22CrMoH alloy steel and special heat treatment make the gear super tough. Its service life is 30% longer than ordinary half shaft gears.

② Precise and smooth transmission: Ground tooth surface and accurate tooth profile ensure tight meshing, reduce power loss and lower running noise by 20dB.

③ Perfect for SHACMAN: Made according to the original differential design, the installation size and tooth profile match perfectly. No trimming or auxiliary parts are needed, saving 35% maintenance time compared with universal ones.

④ Stable load - bearing: Forged structure enhances load - bearing capacity. It keeps stable performance when transporting heavy goods on uneven roads.

This Half Shaft Gear (Model: 81.35106.0036) is only for SHACMAN heavy - duty trucks with original rear - axle differential systems. It won't work on SHACMAN with modified differentials or other brands (like SINOTRUK HOWO, FAW Jiefang). Those have different differential structures and torque needs, leading to mismatched installation or poor transmission.

Q1: Works on SHACMAN with modified differentials?

A1: No. Modified differentials have different structures and torque needs. It will cause poor meshing and even gear damage, bringing safety risks. Choose the one for modified systems instead.

Q2: Abnormal noise after installation?

A2: First check if the gear is installed properly and the meshing gap is right. If yes, check for foreign matters on the tooth surface. If there are none, replace the gear if it's damaged during transportation.

Q3: How to maintain the half shaft gear?

A3: 1. Change differential oil regularly for sufficient lubrication; 2. Avoid long - term overloading; 3. Inspect for wear or damage during maintenance and replace in time if there's a problem.

Q4: Need to replace planetary gear with the new half shaft gear?

A4: Not mandatory but recommended. Old planetary gears affect meshing accuracy and transmission efficiency. Inspect them and replace if faulty for better performance.

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