Excavator SAA6D170E Engine MAIN METAL ASSY 6240‑21‑8100

Keywords: 6240‑21‑8100 main bearing set, SAA6D170E engine main metal assy, excavator crankshaft main bearing, heavy‑duty engine spare parts, aftermarket construction machinery parts

🔹Product Overview

This MAIN METAL ASSY 6240‑21‑8100 is the crankshaft main bearing kit for excavator SAA6D170E engine. Installed between engine crankshaft and engine block main journal seats, it forms stable lubricating oil film, bears large radial load when engine is running, reduces friction loss of crankshaft rotation. Manufactured strictly in accordance with OEM dimensional standards, it serves as ideal replacement for worn, burned or fatigued original bearings. It resolves common faults such as engine knocking noise, low lubrication oil pressure and crankshaft journal abrasion during engine overhaul.

🔹Detailed Specifications

🔹Key Features & Advantages

• OEM precise dimension, direct install without modification Fully matches original mounting dimension, perfect fit for SAA6D170E engine without extra machining work.
• High‑performance multi‑layer anti‑friction alloy material Adopts heavy‑load bimetallic alloy material, great pressure‑resistance, wear‑resistance and anti‑seize property for harsh heavy‑duty working condition.
• Excellent working performance & stable operation Good oil‑film retention performance, keep stable lubrication, lower engine mechanical noise and prolong whole engine service life.
• Strict factory inspection & performance test Each main bearing set goes through thickness measurement, surface defect inspection and material quality verification before delivery.
• Perfect interchangeability & easy maintenance Ready‑to‑use overhaul spare part, suitable for excavator SAA6D170E engine full overhaul and field repair work.

🔹Application Scope

Fit Equipment: Excavator equipped with SAA6D170E engine ‑ Widely used for machinery repair workshops, engineering fleet maintenance and heavy‑duty engine overhaul projects of construction equipment.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying hydraulic parts, engine 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

Anti‑collision inner package, protect parts during transportation ‑ Export‑grade outer carton for safe sea and land 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.