707 99 74420 Dozer Blade High Pressure Seals For Excavator D375A 5D

Product Description

The 707-99-74420 Suitable For Komatsu Dozer Blade Seal Kits used to seal up the gap between different parts of the hydraulic cylinder. They can be used under high pressure and also can be used between the head and the connecting rod when the rod and cylinder seal are reciproing. We usually call them as BOOM / ARM / BUCKET cylinder seal kit.

707-99-74420 Suitable For Komatsu Dozer Blade Excavator Seal Kits Seal Kits Details Specifiions:

Technical Specifications

· Application: Komatsu Dozer Blade Hydraulic Cylinder (P/N: 707-99-74420)
· Temperature Range: -30°C to +130°C
· Place of Origin: China (Manufactured to International Quality Standards)
· Seal Type: Complete cylinder seal kit for dozer blade operation

Included Seal Elements

• Rod Seal
• Buffer Ring
• Piston Seal
• Wear Ring
• Dust Ring
• O-Ring
• Backup Ring
• Rod Seal Backup

Material Composition

· TPU (Thermoplastic Polyurethane): Excellent abrasion resistance and durability
· PTFE (Polytetrafluoroethylene): Superior chemical resistance and low friction
· NBR (Nitrile Rubber): Outstanding oil and fuel resistance
· NY (Nylon): High mechanical strength and dimensional stability
· FKM (Fluoroelastomer): Exceptional high-temperature performance

Key Features

· Wide Temperature Tolerance: Reliable performance from -30°C to +130°C
· High Pressure Resistance: Maintains sealing integrity under extreme pressure
· Oil & Fluid Compatibility: Excellent resistance to hydraulic fluids and oils
· Wear Resistance: Extended service life in abrasive environments
· Precision Engineering: Exact fit for Komatsu dozer blade cylinders
· Corrosion Protection: Resists degradation in harsh working conditions

Performance Benefits

· Restores hydraulic cylinder to original performance standards
· Reduces downtime and maintenance costs
· Prevents fluid leakage and contamination
· Ensures smooth blade operation and control
· Extends equipment service life

Packaging

· Inner packaging: Protective PP bags for moisture resistance
· Outer packaging: Sturdy carton boxes for secure shipping
· All components clearly labeled and organized for easy identification

Quality Assurance

Manufactured under strict quality control standards to ensure:

· Dimensional accuracy and perfect fit
· Consistent material properties
· Reliable performance in demanding applications
· Compliance with international quality standards

Applications

· Komatsu dozer blade hydraulic cylinder maintenance
· Construction equipment repair and overhaul
· Preventive maintenance programs
· Hydraulic system refurbishment

Other KOMATSU PC Hydraulic Cylinder Seal Kit

PC60-5PC60-6PC60-7PC100-5PC100-6(4D95)PC100-6(4D102)PC200-6(6D102)PC120-5PC120-6PC200-5PC200-6(6D95)PC200-7PC200-8PC300-6PC300-7PC350-6PC350-7PC360-7PC400-6PC400-7PC450-6PC450-7PC450-8PC600-6PC650-8

Other Product List

Hydraulic Excavator Seal Kit Parts:

Hydraulic Cylinder seal kit , Hydraulic Main Pump seal kit , Control Valve Seal Kit , Center Joint Seal Kit , Adjust Seal Kit , Final Drive Travel Motor Seal Kit , Swing Motor Seal Kit , Diesel Engine Parts and related parts,

Hydraulic Excavator Parts:

Centaflex Rubber Coupling , Seal Group , Rubber Oil Seal , Rubber Oring Kit / Box , Hydraulic Cylinder U seal , Hydraulic Cylinder Piston seal , Hydraulic Cylinder Buffer Ring , Hydraulic Cylinder Dust seal , Hydraulic Cylinder Wear Ring.

Suitable for (), Komatsu (PC) , Hitachi (EX/ZAX), (EC) , Hyundai(R) , Kobelco (SK) , Sumitomo(SH/LS) , Kato(HD) , Doosan-Daewoo (DH/DX) , JCB , , Sany (SANY) , XGMA , XCMG ,etc.

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

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.

Guangzhou Mido Oil Seal Firm

Mido Oil Seal was founded in 2007, which is a company specializing in the sale of construction machinery oil seals. Gathering oil seals from world's famous factories, with a standing stock of 1,000 varieties. The main service is construction machinery and engineering machinery.

The company has a total of three store and a warehouse now, one of which serves as the Foreign Trade Department to customer reception and product display. The most important thing is that we have a professional team for purchasing, selling, packing, shipping and after-sale service.

Our CEO Mr. Hu has been engaged in the oil seal industry since 1995. As one of the founders, he founded the Guangzhou Construction Machinery Industry Association and served as its president.According to the actual situation of the Chinese excavator maintenance market, he has continuously studied, researched, innovated, introduced and developed high-quality oil seal repair kits that meet the real needs of the market. Ensure that customers can buy High-performance anti-leakage effect and long-term oil sealing effect. Based on technology leadership, the company has established a market research, quality assurance and after-sales service system to fully meet customers exact needs and has won excellent results in the industry. The reputation and word of mouth have won the continuous support of domestic and international counterparts and customers. Through long-term first-line services, we know that the promotion and use of high-quality oil seals are inseparable from your support and encouragement. We always adhere to the principle of quality first and benefit sharing to provide high-quality oil seals for the customers. 

In addition to online sales, we also participate in exhibitions to have better face-to-face contact with customers.

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

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.

When you visit our official website and click on the consultation portal, you immediately embark on an interactive journey with our professional service team. Our online specialists have undergone rigorous and systematic training, covering product knowledge, industry trends, and solutions to common problems, all to ensure accurate and swift responses to your every inquiry. Whether you have questions about the functional details of our products, face dilemmas in making a purchase, or encounter issues during use, simply type out your query, and our online specialists will respond at the fastest possible speed.

They not only provide precise answers based on your questions but also proactively share relevant cases and experiences to help you better understand and apply the information. To ensure the professionalism and standardization of responses, we have developed a comprehensive knowledge base and a set of communication protocols. While referencing these resources, our online specialists also adapt flexibly to your specific needs, offering personalized service. Moreover, our online customer service team operates on a shift system, available year-round without interruption. Whether during busy hours on workdays or leisure times on holidays, you can always receive a caring response at the first moment you need it.