Upgrade the performance and extend the service life of your heavy equipment with this complete overhaul rebuild kit. Designed for Caterpillar 3066 engines and Mitsubishi S6K/S6KT engines, this premium kit includes all the essential components needed for a professional engine rebuild. Whether you are working on a CAT 320B or 320L excavator, this kit ensures reliability, durability, and OEM-level fitment.
Application Compatibility
This overhaul kit is engineered to fit the following engines and machinery:
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Mitsubishi Engines: S6K, S6KT
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Caterpillar Engines: 3066, 3066T
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Caterpillar Excavators: 320B, 320L
This makes it the ideal choice for heavy-duty construction and earthmoving equipment requiring a full engine rebuild.
Complete Kit Contents
Our rebuild kit provides all the critical components for restoring your engine to peak performance:
Piston & Liner Set
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6 Pistons (STD)
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6 Piston Rings
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6 Piston Pins
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6 Cylinder Liners (semi-finished, machining required)
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12 Piston Pin Clamping Springs
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6 Piston Pin Bushings
Valve Train Components
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6 Intake Valves
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6 Exhaust Valves
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6 Valve Guides
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6 Intake Valve Guides
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6 Exhaust Valve Seats
Bearings & Gaskets
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6 Main Bearings
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6 Connecting Rod Bearings
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1 Overhaul Gasket Set
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1 Set Thrust Washer
Key Benefits of This Overhaul Kit
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OEM Standard Fitment: Perfect replacement for Caterpillar & Mitsubishi engines.
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Durability & Performance: High-quality components ensure engine longevity.
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Complete Solution: All-in-one kit reduces downtime and simplifies rebuilds.
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Excavator Ready: Specifically designed for CAT 320B, 320L excavator applications.
Important Note
⚠️ The cylinder liners included in this kit are semi-finished and require machining before installation. Please ensure proper fitting and machining for optimal performance.
