
Basic Info
Alias: Hydraulic Retarder Shift Lever / Retarder Control Switch Knob / Truck Auxiliary Brake Operating Handle
Product Name: FAST Gearbox Hydraulic Retarder Control Handle OEM H06600-2
Brand: FAST (Fashter)
Applicable Vehicles: Shacman X3000/X5000, FAW Jiefang, Sinotruk Howo heavy tractors equipped with FAST FHB400 hydraulic retarder
Category: Heavy Truck FAST Transmission Parts – Hydraulic Retarder Control Assembly
Weight Parameter
Net Weight: 0.55KG
Gross Weight: 0.78KG with export carton packing
Material & Feature
High toughness anti-aging engineering plastic handle housing, wear-resistant after long-term frequent toggle operation;
Integrated multi-core copper wire wiring harness with standard 6P white plastic plug, stable signal transmission without open circuit;
Multi-stage signal contact structure, support constant speed gear + 4 levels retarder braking power adjustment;
Corrugated rubber dust-proof boot at the lever rotating joint, block cockpit dust and moisture to prevent internal contact failure;
Universal fixed mounting base, consistent with original cab installation hole position, no drilling modification during replacement;
Built-in anti-interference shielding wire, avoid signal disorder caused by engine electromagnetic interference;
Strict signal continuity test, long-term toggle fatigue test and high-low temperature aging test before delivery, stable control performance at -20℃~80℃ working temperature.
Application
Perfectly matched domestic heavy logistics tractors, bulk cement trucks, mining transport vehicles and refrigerated semi-trailers with FAST hydraulic retarder; widely used in mountain long downhill highway transportation, plateau heavy load freight and long-distance trunk logistics scenarios.
Origin & Lead Time
Shiyan warehouse spot stock, deliver 1–2 working days after payment; bulk wholesale orders 3–5 working days, sea shipping cycle 7–16 days.
MOQ & Packing
MOQ: 1 piece
Warranty: 3–6 months, warranty void for man-made wire breakage, water soaking and improper disassembly
Packing: Anti-static plastic bag + shockproof bubble wrap + neutral export carton, moisture-proof and anti-collision for ocean transportation


Gearboxes assembly include brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Gearboxes parts includegear, synchronizer, PTO, housing, bearings, shaft, top cover, sensors, wireness, repair kits... etc.
Our products have been exported to more than 50 countries and regions such as Korea, Chile, Russia, Kazakhstan, USA, Ecuador, Turkey, Iran, Africa, Latin America, etc., and have been unanimously recognized by customers.
In the future, we will be committed to creating higher-end quality and more intimate service. And a more comfortable customer experience to build Yongliwei company into an auto parts supplier with excellent corporate culture, scientific development concept and continuous innovation ability.

Shiyan Yongliwei Industry and Trading Co., Ltd. is a modern enterprise integrating design, development, production and sales of gearbox assembly and gearbox parts.
Our company was founded in Hubei province, China, and has been specialized the truck gearboxes in Chinese offline market for 21 years .Our parts are the leader of gearboxes area in the China now.
Our company was set up in the largest truck parts production base in the world –Shiyan city, Hubei, China, to meet the demand for products in the Asia and South American markets, a professional international trade sales team was born in Hubei in 2021.
Shiyan Yongliwei is focusing on creating high quality, high technology and high standard gearboxes and its parts.

* 8000 square meters of large warehouse.
* A number of maritime, land, air transport international logistics companies work closely together.
* To provide you with convenient, fast and low-cost e-commerce one-stop service.