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Wanliyang Transmission Power Take-Off Assembly BSQ303/5G32-BSQ303 SQ314/7TS60-SQ314
Core Technical Specifications Comparison for 2 PTO Models
| Parameter / Technical Indicator | BSQ303 (5-Speed Box PTO) | SQ314 (7-Speed Box Heavy-Duty PTO) |
|---|---|---|
| Officially Matched Gearbox | Wanliyang (WLY) 5G32 / 5TS32 Series 5-Speed Manual | Wanliyang (WLY) 7TS60 / 7TS60B Series 7-Speed Manual |
| Applicable Vehicle Load | 2 to 4-ton standard light-duty trucks, street flushers, garbage compactors | 6 to 18-ton heavy-duty light trucks, medium-duty trucks, construction dumpers |
| Control / Actuation Method | Pneumatic Control (Air Operated) | Pneumatic Control (Air Operated) |
| Operating Air Pressure | 0.6 MPa ~ 0.8 MPa (Sourced directly from the vehicle brake air tank) | 0.6 MPa ~ 0.8 MPa (Sourced directly from the vehicle brake air tank) |
| Internal Gear Material & Process | High-strength alloy steel, surface carburized, quenched, and ground | Reinforced wide-face high-strength alloy steel with superior shock resistance |
| Output Type / Connection | Standard 4-bolt flange or direct pump mount socket | Standard 4-bolt flange or spline/keyway direct-coupling for hydraulic pumps |
| Net Weight (Per Piece) | Approx. 9.5 kg - 11 kg | Approx. 14 kg - 16.5 kg (Significantly heavier due to the heavy-duty structure) |
Internal Components
1. High-Strength Die-Cast Housing: Made of high-density ductile iron to ensure the housing does not crack or leak oil under high-pressure conditions.
2. Input Gear: Directly meshes with the internal gears of the transmission and withstands sustained torque shocks.
3. Sliding Clutch Sleeve: Actuated by a pneumatic shift fork. Upon air supply, it slides along the shaft to lock the input gear and output shaft together for synchronized operation.
4. Pneumatic Shift Cylinder & Fork Assembly: The core control unit. The cylinder contains an oil-resistant V-shaped rubber seal and a heavy-duty return spring; it extends when air is supplied and retracts rapidly via the spring when the air supply is cut off.
5. High-Precision Rolling Bearings: Typically utilizes tapered roller bearings or reinforced deep-groove ball bearings to withstand the significant radial forces and axial thrust transmitted from the oil pump.
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