Sinotruk HOWO Sitrak Shacman Heavy Duty Truck 0501223660 Gearbox Pneumatic Shift Booster Servo Unit
This heavy-duty pneumatic shift booster servo unit (Part Number: 0501223660) is engineered for high-performance heavy trucks, specifically compatible with Sinotruk HOWO, Sitrak, Shacman, and MAN trucks equipped with 16-speed transmissions. Featuring an advanced dual-stage pneumatic power cylinder structure, it acts as a critical shifter relay mechanism to streamline heavy-duty gear selection. This premium servo unit directly solves standard transmission issues such as stiff gear engagement, shifting delays, and premature sync wear under maximum payload stresses. Ideal for severe vocational applications including mining transport, heavy dump hauling, and cross-border logistics, it delivers instant pneumatic actuation with minimal physical effort. By restoring smooth mechanical transitions and removing driver fatigue from repetitive shifting, this unit maximizes powertrain efficiency and prolongs transmission life for global fleet operations.
Product Specification
| Product Name |
Shift Booster Servo Unit |
| Part Number |
0501223660 |
| Condition |
New |
| Origin |
China |
| Quality Standard |
100% Tested |
| Quality Certification |
ISO, CCC, GSO, CE, SGS, TUV |
| Weight |
2.34 KG |
| Dimensions |
140 X 140 X 167 mm
|
Variable Geometry Mechanism: Features advanced VGT multi-vane nozzle technology to deliver instantaneous boost control across the entire RPM range, eliminating throttle lag and ensuring responsive exhaust braking during downhill hauling.
Heavy-Duty Alloy & Precision Machining: Constructed with a high-nickel cast iron turbine housing and a precision-balanced compressor wheel to withstand intense thermal expansion and prevent fatigue cracks under severe exhaust gas temperatures.
Extreme Thermal Adaptation: Engineered with premium heat-resistant oil seals and specialized cooling jackets to prevent oil coking and maintain fluid lubrication even during prolonged high-load operation in mining zones or desert environments.
100% Direct Bolt-On Design: Built to exact dimensional specifications for a seamless match with the original exhaust manifold and oil lines, allowing for a straightforward replacement that minimizes workshop diagnostic hours and labor costs.
Vibration-Damped Balancing: Every core assembly undergoes rigorous Variable Speed Balancing (VSR) testing to eliminate high-frequency resonance and whistling noises, protecting the engine block from harmful vibrations and improving highway driving stability.
Ordering & Shipping Information
Packing Options
Carton, Wooden Box, Pallet
Shipping Methods
Courier / Air Freight / Sea Freight
Payment Terms
L/C, T/T, , PayPal, , Alipay
Loading Port
Any Port in China
FAQ
Q: Why choose us?
A: No more dealing with multiple suppliers. We offer a comprehensive inventory of Shaanxi Shacman Delong truck parts. From small leaf spring pins to major engine assemblies, we fulfill all your fleet maintenance and wholesale needs in one stop.
Q: How can I verify if this part is 100% compatible with my truck model?
A: Please click the inquiry button to send us your VIN (Vehicle Identification Number), chassis number, engine model, OE number, photos, and specific dimensions, and our professional engineering team will verify the compatibility for you within 24 hours.
Q: Are the accessories Authentic product from the manufacturer? What are the quality standards of your heavy-duty truck parts?
A: Yes, we maintain close cooperation with the aforementioned brands. All our truck parts are manufactured strictly following OEM standards or premium aftermarket specifications. They undergo rigorous quality testing, such as fatigue and wear resistance testing, ensuring exceptional durability under demanding driving conditions, including harsh mining fields, heavy-haul transport, and bumpy terrains.
Q: Do you support low MOQ for testing and do you offer bulk discounts?
A: Yes! We warmly welcome fleet owners, repair shops, and auto parts wholesalers. We support flexible Minimum Order Quantities (MOQ) to help you test our market quality. Contact us today via the inquiry form to get a tiered wholesale price list tailored to your potential order volume.
Q: What is your estimated delivery time and shipping method?
A: We maintain a robust inventory of fast-moving Shacman Delong series parts to ensure quick dispatch within 3-7 business days. For bulk orders, we offer flexible logistics solutions including Sea Freight, Air Cargo, and International Express (DHL/FedEx/UPS) based on your budget and urgency.
Q: Do your truck chassis, engine, and transmission parts come with a warranty?
A: We offer a 6 to 12-month worry-free warranty across our product lines against manufacturing defects. If you experience any issues, our customer service team is ready to assist you with quick replacements or technical support to minimize your fleet's downtime.