CAT 258-4521 14V SPEED SENSOR

The CAT 258-4521 is a Caterpillar 14V speed sensor for compatible Cat equipment. Cat lists this part as a speed sensor with a 3-pin DT06 connector and describes this sensor type as an active Hall-effect sensor used where zero-speed or near-zero-speed detection is required.

Specifications

• Manufacturer: Caterpillar / CAT
• Part Number: 258-4521
• Part Type: 14V speed sensor
• Connector: 3-pin DT06 connector per Cat listing
• Sensor Type: Active Hall-effect speed sensor
• Output / Wiring: One output with 3 wires: power, return, and signal
• Overall Length: 2.2 in per Cat listing
• Wire Length: 11.42 in per Cat listing
• Thread Length: 0.67 in per Cat listing

Key Features

• Designed for speed, timing, and transmission output speed sensing applications.
• Hall-effect design supports detection down to zero or near-zero speed.
• Active sensor design requires external electrical power.
• Factory-fit Cat part for compatible Caterpillar equipment when matched by serial number.

Cross References

• Primary CAT part number: 258-4521. Confirm any supersessions or related harness requirements through Cat SIS or the machine parts manual.

Machine Compatibility

• Cat lists compatibility across selected wheel tractors, quarry trucks, trucks, tractors, off-highway trucks, and other applications; always verify by equipment serial number before purchase.

Engine Platforms

• Used in compatible Cat electronic speed/timing circuits and transmission speed measurement applications where 258-4521 is specified.

Typical Applications

• Speed sensor replacement.
• Transmission output speed diagnostics.
• Timing and near-zero speed detection.
• Heavy equipment electrical and electronics repair.

Search Keywords

CAT 258-4521 speed sensor, Caterpillar 2584521 sensor, Cat 14V speed sensor, Cat 3 pin DT06 speed sensor.

Hall effect speed sensor, Cat transmission speed sensor, Caterpillar electrical sensor, heavy equipment sensor replacement, HRS Supplies.