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HOWO MAX HOWO T7H HW25712XSTL Gearbox Shift Assist Repair Kit WG2203210188-01
Using this repair kit for repairs offers many advantages compared to directly replacing the entire power steering unit.
Function
1. Seal Replacement: The O-rings and gaskets inside the gear shift assist mechanism may fail due to wear, aging, or oil contamination, leading to internal oil leaks. This causes the assist mechanism to lose pressure, resulting in increased effort required to shift gears (no assistance), or even complete inability to shift gears.
2. Assist Restoration: By replacing worn parts, the internal oil seal of the assist mechanism is restored, allowing it to properly utilize engine power or oil pressure to provide gear shifting assistance.
DETAILS
| DESCRIPTION | Gearbox Shift Assist Repair Kit | PART NUMBER | WG2203210188-01 |
| WEIGHT | 0.5KG | VOLUME | - |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | COUNTRY OF ORIGIN | CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | gearbox |
Material
1.O-Rings:Fluororubber (FPM) or chloroprene rubber (CR) is used.
The power steering booster is filled with high-pressure lubricating oil. This material can be immersed in oil for extended periods without degradation and exhibits excellent oil resistance.
During engine operation, the temperature inside the power steering booster can be high. Fluororubber can withstand high temperatures without deforming and does not easily lose its elasticity, demonstrating excellent high-temperature resistance.
It possesses excellent resilience, maintaining its sealing properties under high pressure and not undergoing permanent deformation due to pressure.
2.Gaskets:Used at connection points to prevent hydraulic fluid leakage.
It can maintain its shape under high pressure, preventing oil leakage caused by deformation, and possesses excellent compression resistance.
It can adapt to the slight irregularities between the power steering booster housing and the internal metal structure, forming a tight seal, and possesses excellent flexibility.
3.Metal:The internal metal springs or valve components are made of high-strength steel and stainless steel.
When continuously immersed in oil, metal parts must be protected against rust.
Internal metal parts need to withstand high-frequency movement and friction.
Advantages
1. Low cost: The repair kit only includes wear parts, resulting in a very low repair cost compared to replacing the entire power steering booster assembly.
2. Restores to like-new condition: As long as the main structure of the power steering booster (piston, oil pump) is not damaged, replacing the seals will restore its function to almost original factory standards.
3. Simple operation: Simply remove the power steering booster (internal impurities need to be cleaned), replace the internal seals, and then reinstall it. For experienced repair technicians, this is a standardized repair procedure.
HW25712XSTL 12-speed manual transmission overview
The HW25712XSTL 12-speed manual transmission is a core power transmission component widely used by SINOTRUK. Known for its unique "helical gear + planetary gear" structure, it is one of the most mature and reliable 12-speed transmissions on the market.
Function
1. It offers 12 forward gears and 2 reverse gears. The 12-gear configuration covers all operating conditions from starting to high-speed driving. Especially when switching between high-torque climbing (such as in coal mines and mining areas) and high-speed cruising (such as highway transportation), the transmission provides excellent flexibility and fuel efficiency.
2.Compared to traditional 10-speed or 9-speed transmissions, the 12-speed design allows the engine to operate in its optimal power/torque range for longer periods, thus reducing fuel consumption.The maximum input torque typically reaches 2500 N·m (depending on the vehicle model and engine), enabling it to handle extreme uphill and heavy-load conditions.
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