Komatsu Piston 4D92 6140-31-2011 / 6140-31-2010 diesel engine

Komatsu Piston 4D92 6140-31-2011 / 6140-31-2010 – OEM Quality

✅ In stock – order now!

📄 Product Description:

This piston is designed for the Komatsu 4D92 diesel engine, used in forklifts, mini excavators, rollers, and other compact machinery. Built to OEM standards, it offers precise fit, consistent compression, and strong resistance to thermal and mechanical stress. Ideal for engine overhaul applications.

🔧 Compatibility:

Engine model:

• Komatsu 4D92 (4-cylinder diesel engine, NA or turbocharged)

Applications:

• Forklifts

• Mini excavators

• Rollers

• Utility and municipal machinery

• Compact diesel-powered equipment

🔁 Cross-reference part numbers:

• 6140-31-2011

• 6140-31-2010

🛠️ Specifications:

• Piston diameter: 92 mm

• Piston height: ~98 mm

• Pin diameter: 30 mm

• Combustion chamber: Concave or turbo-type (depending on variant)

• Material: High-strength aluminum alloy

• Condition: New

• Warranty: 6 months

• Packaging: OEM box or export-grade crate

• Shipping: Worldwide delivery available

🔍 Key Features:

• OEM quality – matches Komatsu specs

• Excellent compression and heat resistance

• Durable in demanding work environments

• Perfect for rebuilding 4D92 diesel engines