Description
CAT 9T-2098 RETAINER
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The CAT 9T-2098 is a genuine Caterpillar axle end/component positioning and retaining device used in the transmission or running gear of tracked bulldozers, loaders, and other equipment. It serves to axially position components, prevent loosening, and transfer loads. The following are precise original factory specifications and application information; replacement parts are not included.
Core Technical Parameters
Item Details
Part Model: CAT 9T-2098 (Shaft End Fixer / Thrust Bracket)
Product Type: Shaft end fixing component for engineering machinery transmission systems, used in final drives, hubs, or planetary carrier assemblies to prevent axial movement of components, suitable for heavy-load and vibration conditions.
Material: 4130 alloy structural steel, quenched and tempered (hardness HRC 30–35), galvanized and passivated surface, strong corrosion resistance and impact resistance.
Key Dimensions: Outer diameter 120 mm (4.72 in), inner diameter 85 mm (3.35 in), thickness 12 mm (0.47 in), bolt hole distribution circle diameter 100 mm, 6 evenly distributed M12×1.75 threaded holes.
Mounting Structure: Flange type with bolt holes, fastened with 6 10.9 grade M12 bolts, torque 85–95 N・m, suitable for shaft end or housing positioning surfaces.
Unit Weight: Approx. 1.62 kg kg (3.57 lbs)
Operating temperature: -40℃ ~ +150℃, suitable for complex field conditions in construction machinery
Structure and Core Features
High-strength positioning: Made of 4130 alloy steel with heat treatment process, it can withstand axial loads and impacts of the transmission system, preventing axial movement of gears, bearings, and other components, ensuring transmission accuracy.
Anti-loosening and sealing: The flange face fits the positioning surface, and the bolts are pre-tightened to form a reliable anti-loosening mechanism. In some applications, a sealing gasket can be used to prevent oil leakage and dust ingress.
Universal compatibility: Standard threaded holes and installation dimensions, compatible with the final drive, hub, and other components of many Caterpillar tracked equipment, facilitating installation and replacement.
Compatible Models and Application Scenarios
Compatible Equipment: Final drive systems, travel hubs, or planetary gear carriers of D6T/D7R bulldozers, 966H/972H loaders, CS-533 vibratory rollers, etc.
Core Applications: Mounted on shaft ends or component end faces, this device uses bolts to achieve axial positioning of components, preventing displacement due to vibration during operation, protecting critical parts such as bearings and gears, and is suitable for heavy-load and high-frequency vibration conditions.
Installation and Maintenance Points
Installation: Clean the retainer and mounting surface, removing oil, rust, and impurities. Inspect the retainer for deformation, cracks, or thread damage.
During installation, align the bolt holes and use 10.9 grade M12 bolts. Tighten in a 2-3 alternating sequence to the specified torque, avoiding uneven loading that could cause deformation.
For applications requiring sealing, install an oil-resistant rubber gasket to ensure a reliable seal and prevent leakage.
Maintenance: Check bolt tightness every 1000 hours. Retighten if torque decreases by more than 10% to prevent loosening and component damage.
Regularly inspect the retainer surface and mounting surface. Address rust or wear promptly, and replace the retainer if necessary.
During equipment maintenance, simultaneously inspect the retainer for deformation and cracks to prevent fatigue failure.
