Key Advantages
1. OEM Standard Precise Compatibility : Strictly manufactured in accordance with Caterpillar’s original technical drawings, precision parameters and sealing design requirements for the 120 motor grader, the size, cross-section structure, hardness and sealing contact surface of the ring are 100% matched with the key sealing parts of the grader’s hydraulic system. No secondary trimming, grinding or modification is required for installation, ensuring a seamless fit with original machine parts and consistent sealing performance with the factory configuration.
2. High-performance Oil-resistant Sealing Material : Adopts Caterpillar OEM standard industrial-grade high-quality oil-resistant rubber (NBR/FKM optional), which has excellent oil resistance, high pressure resistance, wear resistance and anti-aging performance. It can resist the long-term erosion of hydraulic oil and its additives, adapt to the harsh construction environment of heavy load, strong vibration and dust, and is not easy to harden, crack, swell or deform after long-term use.
3. Ultra-precise Molding & Burr-free Sealing Surface : Processed by high-precision mold vulcanization and integral molding technology, the product has an extremely small dimensional tolerance and a smooth, burr-free sealing surface with uniform material density. It ensures close and tight contact with the metal mating surface of hydraulic components, effectively avoiding hydraulic oil leakage caused by dimensional deviation and surface defects, and guaranteeing the reliable sealing effect of key hydraulic parts.
4. Strong Adaptability to Harsh Working Conditions : The sealing material has excellent high and low temperature resistance and vibration resistance, and can work stably in the temperature range of -35℃ ~ +120℃. It will not lose elasticity and sealing performance due to extreme cold, high temperature or continuous mechanical vibration of the grader during operation, and maintains structural integrity and stable sealing performance for a long service life.
5. Simple Installation & Cost-saving Maintenance : Adopts a lightweight and integrated structural design, conforming to Caterpillar’s original assembly specifications for the 120 motor grader. It can be installed and replaced quickly by direct press-fit with conventional maintenance tools without special professional equipment. Timely replacement of this sealing ring can avoid serious damage to high-value host hydraulic components caused by seal failure, significantly shortening the on-site maintenance time and reducing the overall maintenance cost of the grader.
