Komatsu 6D140 SA6D140 S6D140E Cylinder Liner 6211-22-2220 6211-21-2210 for Dump Trucks

Product Details

Product Overview

Our high-quality cylinder liners for the Komatsu 6D140, SA6D140, S6D140E, and SAA6D140E engine series are precision-engineered to meet or exceed OEM specifications. Designed specifically for heavy-duty Komatsu dump trucks and other mining & construction equipment, these liners (Part Numbers 6211-22-2220, 6211-21-2210) provide a reliable, long-lasting solution for engine overhauls and maintenance. We ship globally to major markets including North America, Europe, Australia, the Middle East, and Southeast Asia, ensuring fast delivery to industrial hubs and ports worldwide.

Key Features & Benefits

• Superior Durability: Manufactured from high-strength cast iron with advanced hardening processes to resist wear and extend service life.
• Precision Fitment: Machined to exact tolerances for a perfect seal, reducing oil consumption and blow-by.
• Corrosion Resistance: Enhanced surface treatment protects against cavitation and chemical erosion from coolants.
• Heat Dissipation: Optimized design ensures efficient heat transfer, preventing hot spots and thermal fatigue.
• Cost-Effective: Direct replacement for OEM parts, offering significant savings without compromising quality.

Technical Specifications

OEM Cross-Reference

These cylinder liners are direct replacements for the following OEM and reference numbers:

• Komatsu Original: 6211-22-2220 (Left Bank), 6211-21-2210 (Right Bank)
• Komatsu Engine Series: 6D140, SA6D140, S6D140E, SAA6D140E
• Also compatible with SA12V140 engine variants

Compatibility

Designed for use in the following Komatsu heavy equipment:

• Dump Trucks: HD325-6, HD405-6, HD465-7, HD605-7, HD785-7
• Engines: 6D140, SA6D140, S6D140E, SAA6D140E, SA12V140
• Applications: Mining, quarry, construction, and heavy earthmoving equipment

Global Supply & Distribution

• Worldwide Shipping: We ship via air, sea, and express courier (DHL, FedEx, UPS, TNT) to all major global destinations.
• Major Markets: North America (USA, Canada), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, China, India), Middle East (UAE, Saudi Arabia, Qatar), and Africa (South Africa, Nigeria).
• Fast Delivery: Stock items dispatched within 24-48 hours. Bulk orders shipped directly from port warehouses in Shanghai, Ningbo, or Shenzhen.
• Trade Compliance: Fully compliant with international export regulations. We provide all necessary documentation for customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities.
• Testing: 100% dimensional inspection and pressure testing to ensure zero defects.
• Warranty: 12-month warranty against manufacturing defects in materials and workmanship.
• Certifications: Meets or exceeds OEM performance standards for Komatsu engines.

FAQ

1. How do I verify the correct cylinder liner for my Komatsu engine?

Check the part number stamped on your existing liner or your engine block. The 6211-22-2220 is used on the left bank (driver’s side in most configurations), and 6211-21-2210 is for the right bank. Always confirm with your engine serial number if unsure.

2. What is the recommended installation procedure for these wet liners?

Ensure the cylinder bore and block are clean and free of debris. Apply a suitable sealant (like Loctite 518) to the lower O-ring and flange area. Use a liner puller to gently lower the liner into the bore. Never hammer directly. After installation, verify protrusion height (typically 0.03-0.12mm) with a dial gauge.

3. How long do these liners typically last in heavy-duty dump truck applications?

Service life varies based on maintenance, fuel quality, and operating conditions. With proper installation and regular oil/filter changes, these liners typically provide 6,000 to 10,000 hours of service in mining applications. Using high-quality coolant and maintaining proper pH levels can significantly extend lifespan.