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SINOTRUK HOWO LIGHT TRUCK HOMAN Mechanical two-speed transfer case assembly FG9804253533
Basic Identification & Application
| Parameter | Technical Specifications & Details |
|---|---|
| Official Part Number | FG9804253533 (SINOTRUK Genuine OEM Part Number) |
| Applicable Vehicle Category | 4×4 Light-Duty Trucks, Light/Medium Engineering Dump Trucks, Special Purpose Off-road Vehicles (Power Grid Repair, Water Bowsers, etc.) |
| Main Compatible Truck Lines | SINOTRUK HAOMAN (HAOMAN), HOWO Commander (Tongshuai) 4WD, HOWO Brave (Hanjang) 4WD, SINOTRUK Wangpai Series, etc. |
Technical & Dynamic Performance
| Parameter | Technical Specifications & Details |
|---|---|
| Power Distribution Mode | Part-time 4WD (Selectable between 2WD and 4WD) |
| Operating Gear Range | Two gear speeds: High Range (High Gear) and Low Range (Low/Crawl Gear) |
| Core Transfer Gear Ratio | High Range: 1:1 (Direct Drive); Low Range: Typically between 1:1.5 and 1:2.0 (Used for torque multiplication) |
| Max Input Torque Compatibility | Adapted for light truck torque levels (approx. 350 N·m - 600 N·m, matching Yunei, Weichai, or Yuchai light-duty engines) |
Structure & Control Mechanics
| Parameter | Technical Specifications & Details |
|---|---|
| Housing Material & Structure | High-strength cast iron or cast steel split housing, featuring superior shock resistance and impact durability |
| Control / Actuation Mode | Pneumatic Control (Air Solenoid Valve Control), actuated via an air switch knob or button inside the driver's cabin |
| Front Axle Disconnect Mechanism | Integrated internal synchronizer or sliding sleeve mechanism; completely cuts off power to the front axle in 2WD mode to optimize fuel economy |
Installation & Maintenance Specifications
| Parameter | Technical Specifications & Details |
|---|---|
| Vehicle Mounting Type | Independent Split Mount (Separated from the main gearbox, connected to the transmission via a short intermediate propeller shaft) |
| Input / Output Interface | Standard automotive drive shaft flange yoke (Multi-hole pattern, bolt-on connection) |
| Estimated Assembly Weight | Approx. 40 kg - 60 kg |
| Recommended Lubricant Type | Heavy-duty automotive gear oil (Must meet API GL-5 specification; common viscosities are 85W-90 or 75W-90) [Blauparts, eBay] |
| Standard Oil Capacity | Approx. 1.5 to 2.5 Liters (Fill until fluid begins to weep from the side inspection/filler plug hole) |
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