5221643 Sensor GP-Speed for Caterpillar 775D 771D Tractor 522-1643-01

Product Overview

This aftermarket replacement speed sensor is intended for Caterpillar 775D and 771D tractor applications and references part numbers 5221643 and 522-1643-01. A speed sensor detects rotational speed and provides a signal for the relevant control or monitoring system.

Key Features & Performance

• Detects rotational speed for the associated machine system.
• Supports speed monitoring or control functions associated with the listed tractor applications.
• References part numbers 5221643 and 522-1643-01 for comparison.
• Suitable for servicing or replacing the corresponding speed-sensing component.

Fitment & Compatibility

• for Caterpillar 775D tractor applications
• for Caterpillar 771D tractor applications

Common Uses

• Replacing a worn, damaged, or malfunctioning speed sensor.
• Routine service of the machine speed-sensing system.
• Servicing the relevant control or monitoring system after sensor failure.

Technical Specifications

• Product Type: Speed Sensor
• Part Number(s): 5221643; 522-1643-01
• Machine Application(s): Caterpillar 775D tractor; Caterpillar 771D tractor

Frequently Asked Questions

Q: What does a speed sensor do? A: A speed sensor detects rotational speed and sends a corresponding signal to the relevant machine control or monitoring system.

Q: How should fitment be verified? A: Compare the complete existing part number, including 5221643 or 522-1643-01, with the complete equipment model designation, such as Caterpillar 775D or 771D, before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.