Kobelco SK750 SK850 QSM11 QSL9 China Manufacturer Engine Overhaul Repair Kit Factory Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy Supplier - Image 1

Kobelco SK750 SK850 QSM11 QSL9 China Manufacturer Engine Overhaul Repair Kit Factory Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy Supplier

Item No.001
Part Number QSM11 QSL9
Machine Model SK750 SK850
Condition: Aftermarket New
Type: Overhaul Repair Kit

Description

Kobelco SK750 SK850 QSM11 QSL9 Engine Overhaul Repair Kit

Complete Aftermarket Rebuild Kit for Heavy-Duty Excavators

Ensure your Kobelco SK750 or SK850 excavator performs at its peak with our comprehensive engine overhaul repair kit. Designed for Cummins QSM11 and QSL9 engines, this kit includes all essential components for a full rebuild, helping you restore power, reliability, and longevity to your machine.

Key Components Included

Piston & Liner Kit: Precision-machined pistons and cylinder liners for optimal compression and durability.
Piston Rings: High-quality rings ensure proper sealing and reduced oil consumption.
Main Bearings & Connecting Rod Bearings: Manufactured to exact tolerances for smooth operation and extended engine life.
Valve Guide & Valve Seals: Ensures proper valve operation and prevents oil leakage.
Full Gasket Set: Includes head gasket, oil pan gasket, and all necessary seals for a leak-free assembly.
Cylinder Block & Cylinder Head Assembly: Optional components available for complete engine replacement.

Why Choose Our Overhaul Kit?

Our kits are manufactured to meet or exceed OEM specifications, ensuring a perfect fit and reliable performance. Each component is sourced from trusted suppliers and rigorously tested to withstand the demanding conditions of heavy-duty construction and mining applications.

Compatibility

Specifically designed for:

Machine Models: Kobelco SK750, SK850
Engine Models: Cummins QSM11, QSL9

Product Specifications

Part Number	QSM11 QSL9
Machine Model	SK750 SK850
Condition	Aftermarket New
Type	Overhaul Repair Kit

Quality Assurance

As a leading manufacturer and supplier in China, Hangzhou XC Machinery Co., Ltd. is committed to providing high-quality aftermarket parts. Our overhaul kits are produced with advanced manufacturing processes and strict quality control, ensuring consistent performance and durability.

Applications

Ideal for use in construction, mining, and earthmoving operations where equipment reliability is critical. Whether you are performing routine maintenance or a complete engine rebuild, our kit provides everything you need in one convenient package.

Contact us today to learn more about our engine overhaul repair kits and how they can help extend the life of your Kobelco excavator.

What is Kobelco SK750 SK850 QSM11 QSL9 China Manufacturer Engine Overhaul Repair Kit Factory Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy Supplier?

This engine overhaul repair kit is designed for Kobelco SK750 and SK850 excavators equipped with Cummins QSM11 or QSL9 engines. It includes pistons, liners, rings, bearings, valve guides, gaskets, and other essential components for a complete rebuild. Manufactured to meet or exceed OEM specifications, the kit ensures reliable performance and durability in heavy-duty applications.

Applications

Rebuilding Cummins QSM11 engines in Kobelco SK750 excavators
Rebuilding Cummins QSL9 engines in Kobelco SK850 excavators
Replacing worn pistons, liners, and bearings during engine overhaul
Restoring engine compression and oil control in high-hour machines
Supporting preventive maintenance programs for heavy construction equipment

FAQ

What engine models is this overhaul kit compatible with?

The kit is designed for Cummins QSM11 and QSL9 engines.

Which machine models does this kit fit?

It fits Kobelco SK750 and SK850 excavators.

What components are included in the kit?

The kit includes pistons, cylinder liners, piston rings, main bearings, connecting rod bearings, valve guides, valve seals, and a full gasket set. Cylinder block and head assemblies are available as optional components.