Crankshaft 3965012 For ISLe 6L QSL9 Diesel Engine

Keywords: 3965012 crankshaft, ISLe 6L engine crankshaft, QSL9 diesel engine crankshaft assembly, Dong‑feng truck engine spare parts, excavator construction machinery replacement crankshaft

🔹Product Overview

Crankshaft Part No.3965012 is the core power‑conversion component for ISLe 6L, QSL9 diesel engines applied on Dong‑feng trucks, excavators and heavy‑duty machinery. It converts piston reciprocating motion into rotary output power, transfers torque to gearbox and external working devices. This replacement crankshaft solves typical engine failures including shaft journal wear, surface crack, bending deformation and abnormal knocking noise caused by original crankshaft long‑time heavy‑load operation, poor lubrication or overloading. Each crankshaft undergoes strict dimensional measurement, surface flaw detection and balance test before shipment.

🔹Detailed Specifications

🔹Key Features & Advantages

• High‑quality forged alloy steel material, high mechanical strength, excellent wear‑resistance and anti‑fatigue performance under heavy‑load working condition.
• Precision grinding on main journal and connecting‑rod journal, good surface finish, reduce friction with bearing shells, extend service life.
• Strict dynamic balance treatment, effectively lower engine vibration and running noise.
• Effectively resolve engine abnormal knocking, power loss and unstable rotation caused by worn, bent or cracked original crankshaft.
• Standard overall dimension and thread position, direct replacement, suitable for engine overhaul and repair projects.

🔹Application Scope ‑

Fit Equipment: Dong‑feng heavy‑duty trucks, excavators and heavy‑duty machinery equipped with ISLe 6L / QSL9 diesel engine ‑ Widely applied for engine repair workshops and routine equipment maintenance projects.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping ‑

Neutral export wooden case packing, avoid collision and deformation during long‑distance transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.