Precision Fit for Komatsu PC220-7/220LC-7: 707-99-47790 Boom Hydraulic Cylinder

Product Specification

Precision Fit for Komatsu PC220-7/220LC-7: 707-99-47790 Boom Hydraulic Cylinder Seal Kit - For Efficient Repair & Minimal Downtime

1. Product Description

Engineered for Peak Performance & Minimal Downtime

This precision-engineered 707-99-47790 seal kit is the definitive solution for restoring the power and reliability of the boom (arm) cylinder on your Komatsu PC220-7 and PC220LC-7 excavators. Designed for a perfect fit, this complete set enables efficient repairs, drastically reducing equipment downtime and ensuring your machinery returns to demanding work with optimal, leak-free performance.

Key Features & Benefits

• Precision Fit for Efficient Repair: Guarantees an exact match for Komatsu PC220-7 and PC220LC-7 boom cylinders, simplifying installation and getting your equipment back to work faster.

• Built for Demanding Conditions: Rated as a High-Temperature and High-Speed Mechanical Seal, this kit withstands extreme operational stresses, ensuring reliable performance under high pressure and in harsh environments.

• Superior Material & Sealing: Manufactured from high-grade materials including TPU, NBR, FKM (Viton), and PTFE, offering exceptional petroleum-resistance and long-lasting durability.

• Complete All-In-One Kit: Contains every necessary component for a comprehensive overhaul, including Rod Seals, Piston Seals, Wear Rings, and more.

• Maximize Productivity: By ensuring a swift and effective repair, this kit directly contributes to minimizing downtime and maintaining your project's schedule.

Product Specifications

• Part Number: 707-99-47790

• Compatible Models: Komatsu PC220-7, PC220LC-7 Excavator

• Application: Boom Cylinder Seal Kit (also referred to as Arm Cylinder Seal Kit)

• Seals Type: Complete Set of Seals for Hydraulic Cylinder

• Performance Traits: Optimal Performance, Petroleum-Resistant, High-Temperature & High-Speed Rated

• Primary Materials: TPU, NBR, FKM, PTFE

Application & Use

This kit is specifically designed for the boom hydraulic cylinder of the Komatsu PC220-7 and PC220LC-7. It is the ideal choice for equipment owners, fleet managers, and repair workshops who demand a reliable, high-quality seal kit that delivers both precision and durability.

2. Company profile

Guangzhou Midao (Mido) Oil Seal is a leading supplier specializing in high-performance oil seals and sealing solutions. Renowned for their durability and reliability, Midao's products are widely used in various machinery, from construction equipment (e.g., excavators) to industrial applications. The company serves a global clientele, providing critical components to the machinery industry worldwide.

The history of exhibition

2001 Beijing BICIS

2004 Shanghai Bauma

2005 Beijing BICIS

2006 Shanghai Bauma

2007 Beijing BICIS

2009 Beijing BICIS

2011 Beijing BICIS

2013 Beijing BICIS

2024 Moscow CTT

2024 Shanghai Bauma

3. Product Presentation

FAQ

Q1. Why should I choose your products? 

While operating our own manufacturing facility, we also distribute oil seals from renowned international brands. We are committed to providing one-stop solutions to meet all our customers' diverse needs. Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.

Q2. What series of products does your company have?

Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.

Q3. Any other good service your company can provide? 

Yes. Conduct regular follow-up visits, and there are dedicated staff available online 24 hours a day

In the era of digital office, our company is committed to providing customers with comprehensive and efficient service experiences. The "Online Specialist Response" is a key component of this commitment.