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New Weichai Wd12 Engine Parts 612600130265 Steering Gear Pump Truck Parts

Manufacturer Compatible Models
Beiben Trucks (North Benz) Beiben 2637, 2639, 2642 Heavy-Duty Trucks
SINOTRUK (China National Heavy Duty Truck Group) HOWO, HOHAN, SITRAK models (with WD12 engine option)
SHACMAN (Shaanxi Automobile Group) F3000, M3000 series trucks using Weichai engines
Other OEMs Any heavy-duty vehicle using Weichai WD12-based powertrain
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  • 612600130265

  • Shacman Sinotruk HOWO

Parameter Specification
Part Name Power Steering Pump / Steering Gear Pump
OE Number 612600130265
Brand(s) Weichai (Original), Quanxing (Quan Xing), or other OEM suppliers
Pump Type External Gear Pump (Positive Displacement)
Drive Mechanism Belt-driven via pulley connected to engine crankshaft
Function Generates hydraulic pressure to assist steering system operation
Housing Material Cast iron or aluminum alloy housing (heat-resistant and durable)
Internal Components Precision-machined steel gears, shafts, and bushings
Seals & Gaskets Nitrile rubber (NBR) or fluorocarbon (FKM/Viton) seals for oil resistance
Inlet Port Size Approx. 26 mm diameter (1.02 in) — suction side
Outlet Port Size Approx. 18 mm diameter (0.71 in) — high-pressure discharge
Working Pressure Range 850 – 1,450 PSI (60 – 100 bar) depending on vehicle system design
Flow Rate Varies by model; typically 12–18 L/min at rated RPM
Mounting Style Bracket-mounted with adjustable tension for belt drive
Pulley Type Single-groove V-belt or multi-ribbed serpentine belt (model-dependent)
Weight Approx. 4.0 – 6.0 kg (8.8 – 13.2 lbs)
Condition Brand New (OEM or high-quality remanufactured)
转向助力泵-2
转向助力泵-3
转向助力泵-5


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