Main Bearing Set 3945918 for 6CT8.3 Diesel Engine

Keywords: 3945918 main bearing set, 6CT8.3 crankshaft main bearing kit, excavator engine main bearing, construction machinery engine spare parts

Product Overview

Main Bearing Set Part No.3945918 is a complete crankshaft main bearing kit specially matched for 6CT8.3 diesel engine. It supports crankshaft rotation, reduces friction loss, bears large radial load and protects crankshaft surface against wear. Widely fitted on excavators and other heavy-duty construction machinery. It serves as ideal replacement parts for overhauling worn main bearings during engine repair.

Detailed Specifications

Key Features & Advantages

• High-performance alloy material, excellent wear resistance and heavy load capacity.
• Precision machining with strict tolerance, proper fitting clearance to reduce friction.
• Great anti-fatigue performance, stable under long-time heavy-duty operation.
• Good oil storage surface, effectively avoid dry friction damage to crankshaft.
• Original specification size, convenient for direct installation.
• Each bearing set undergoes strict quality inspection before delivery.

Application Scope

Fit Equipment: Excavators and heavy‑duty construction machinery equipped with 6CT8.3 diesel engine ‑ Widely used for machinery repair shops, engine rebuilding factories and heavy‑duty equipment overhaul services.

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

Shock-proof inner packing + export neutral carton, prevent collision damage 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.