This Doosan D1146 Excavator Engine Overhaul Kit (Core OE No. 65.03901-0092 / 65.99601-8092) is a professional all-in-one rebuild solution engineered exclusively for Doosan D1146 inline 6-cylinder turbocharged diesel engines — the high-torque power core for 40-50 ton class excavators and large wheel loaders.
Manufactured to Doosan/Develon's strict OEM standards and certified by ISO/TS16949, it integrates all critical components required for full engine overhaul, including premium asbestos-free gaskets, high-strength pistons, durable bearings, and wear-resistant valves.
Designed to excel in extreme operating conditions (temperatures up to 600℃, pressure up to 18MPa), this kit resolves common issues like engine wear, air leakage, oil seepage, and power loss, restoring factory-level performance (220–270kW output) and fuel efficiency.
| Compatible Engine | Doosan D1146 Inline 6-Cylinder Turbocharged Diesel Engine |
|---|---|
| Core OE Numbers | 65.03901-0092, 65.99601-8092 (Compatible with 65.03901-0072, 65.99601-8072) |
| Aftermarket Part No. | DOOSAN-D1146-OVERHAUL (Independent Site Exclusive) |
| Kit Components | Full Asbestos-Free Gasket Set, Cylinder Liners, Pistons, Piston Rings, Piston Pins, Circlips, Main Bearings, Connecting Rod Bearings, Thrust Washers, Intake/Exhaust Valves, Valve Guides, Valve Seats |
| Material Standard | Heat-Resistant Non-Asbestos Composite Gaskets, High-Strength Alloy Pistons, Wear-Resistant Bearing Steel, Hardened Alloy Steel Valves |
| Performance Ratings | Gasket Temp Resistance: Up to 600℃; Max Pressure Resistance: 18MPa; Engine Power Output: 220–270kW (295–362hp) @ 1800–2100rpm |
| Manufacturing Standard | ISO/TS16949 Certified, OEM-Matched Tolerances, 100% Pre-Shipment Sealing & Dimensional Testing |
| Compatible Models | Excavators: DX420LC, DX430LC, DX480LC, DX500LC; Wheel Loaders: DL500, DL550, DL600 |
| Net Weight | Approx. 38–45kg |
| Packaging | Neutral Industrial Packaging / Custom OEM Packaging (Optional) |
| Warranty Period | 6 Months (Under Normal Operating Conditions) |
| Installation Recommendation | Professional Engine Overhaul Workshop with Torque Calibration & Professional Tooling |
