Product Description
Caterpillar OEM brake disc (part number CT 1050475), engineered for electric lift truck applications. Manufactured from steel friction compound for high durability and heat resistance. Dimensions: 8.00-inch outer diameter, 0.20-inch thickness, 22-spline, 2.23-inch spline diameter. Supersedes part numbers 230-4017 and 9R9401. Compatible with Caterpillar models 416D, 420D, 428D, 424D, 432D, 442D, 426B, 426C, 416C, 416B.
Specifications
Material & Construction
| Brake Disc Material | Steel friction compound |
| Hardness Rating | Rockwell C45 nominal |
Part Numbers
| OEM Part Number | 1050475 |
| Cross-Reference Part Numbers | Replaces 230-4017, supersedes 9R9401 |
| Equivalent Part Numbers | 102-8458, CA1028458, 83959970 |
| Compatible Models | Caterpillar 416D, 420D, 428D, 424D, 432D, 442D, 426B, 426C, 416C, 416B |
Performance Specifications
| Service Factor | Designed for duty cycle exceeding 120 cycles/hour continuous operation |
| Efficiency Rating | 85% braking efficiency at rated load |
Frequently Asked Questions
Q: What equipment is the CT 1050475 brake disc designed for?
A: The CT 1050475 is an OEM brake disc engineered for Caterpillar electric lift truck applications. It is compatible with Caterpillar models 416D, 420D, 428D, 424D, 432D, 442D, 426B, 426C, 416C, and 416B. Verify your specific model before ordering.
Q: What are the dimensions and specifications of the CT 1050475?
A: The CT 1050475 brake disc has an outer diameter of 8.00 inches, thickness of 0.20 inches, 22-spline engagement, and a spline diameter of 2.23 inches. The disc is manufactured from steel friction compound designed for high-temperature heat resistance and durability in brake service.
Q: What are the cross-reference and equivalent part numbers for the CT 1050475?
A: The CT 1050475 supersedes older part numbers 230-4017 and 9R9401. Equivalent part numbers include 102-8458, CA1028458, and 83959970. Always verify the correct part matches your equipment documentation before ordering.
Q: What material is used in the CT 1050475 brake disc?
A: The CT 1050475 is manufactured from steel friction compound. This material is engineered to withstand repeated brake engagement cycles and elevated temperatures generated during electric lift truck operation. The compound maintains consistent friction performance throughout its service life.