3966430-ISLE camshaft
We mainly deals in Dongfeng truck accessories (engine/axle/gearbox/cabin), especially Dana axle accessories and Cummins engine parts (4BT, 6BT, 6CT, 6L, ISBE, ISDE, ISLE,ISF2.8, ISF3.8, NTA855, KTA19,KTA38, KTA50, M11, ISM, etc.) with great advantages
Product Descreiption
1. Specifications
- Part Number: 3966430
- Application: Cummins ISC 8.3L / ISL 8.9L / ISLE series diesel engines
- Material: High-strength forged steel with heat-treated cam lobes
- Weight: Approx. 11 kg (27 lbs)
- Dimensions: 37 × 5 × 5 in
- 2. Installation Position
- Location: Inside the engine cylinder block (OHV design), positioned above the crankshaft and parallel to it
- Drive: Driven by the crankshaft via timing gears or timing chain, rotating at 1/2 the crankshaft speed in 4-stroke engines
- Valvetrain Connection: Acts on valve lifters, pushrods, and rocker arms to open/close intake and exhaust valves
- 3. Function
- Valve Timing & Lift: Precisely controls the opening/closing timing and lift of intake/exhaust valves, ensuring optimal combustion efficiency.
- Motion Conversion: Converts rotational motion into linear motion to actuate the valvetrain.
- Engine Performance: Synchronizes valve operation with piston movement, maximizing fuel economy, power output, and minimizing emissions.
- Durability: Heat-treated lobes provide excellent wear resistance and fatigue strength for heavy-duty applications (trucks, buses, construction equipment).
