The Caterpillar Steering Clutch Steel Disc (Part #1A3987) is a durable, precision-engineered component essential for the steering systems in various Caterpillar dozers, loaders, and pipelayers. Built to withstand high torque and impact loads, this steel disc plays a critical role in the drive train, facilitating smooth steering and clutch operation in heavy-duty construction equipment.
Key specifications include:
- Outer Diameter: 365.8 mm (14.4 inches)
- Inner Diameter: 273.1 mm (10.75 inches)
- Thickness: 2.3 mm (0.09 inches)
- Teeth Count: 88
- Material: High-strength steel for enhanced longevity and resistance to wear
This disc is compatible with a wide range of Caterpillar models, including:
- Dozers: D5, D5B, D5E, D6C, D6D, D6E, D6G
- Loaders: 977D, 977H, 977K, 977L, 983, 983B
- Other: 118, 127, 25, 30, 561B, 561C, 572G, 619
As an aftermarket or OEM replacement, it offers seamless fit and easy installation, reducing downtime on the job site. Ideal for maintenance and repairs in construction, mining, and earthmoving applications, this part meets Caterpillar’s rigorous standards for quality and performance. Always consult your equipment manual for exact compatibility.
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