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125-2966 Speed Sensor for Caterpillar Excavator & Wheel Loader
125-2966 Speed Sensor for Caterpillar equipment. This magnetic speed sensor features an M16 thread and 2-pin DT connector. It fits selected Caterpillar excavators and wheel loaders, including 311B, 315B, 317B, 318B, 320B, 924K, and 930K models.
Product Description
125-2966 Speed Sensor for Caterpillar
The 125-2966 Speed Sensor is a magnetic speed sensor designed for selected Caterpillar construction equipment. It helps detect rotational speed and sends speed signals to the electronic control system.
This sensor uses an M16 thread and a 2-pin DT connector. The cable length is approximately 210 mm (8.3 in). Caterpillar lists the part as a speed sensor used on Cat engines.
The 125-2966 sensor suits a range of Caterpillar excavators and wheel loaders. Listed applications include 311B, 312B, 315B, 317B, 318B, 320B and 321B excavators, as well as 924K and 930K wheel loaders.
For aftermarket buyers, this part number also appears as 1252966 without the hyphen. Some aftermarket catalogs cross-reference 125-2966 with their own replacement numbers, so buyers should confirm the OEM part number and machine configuration before ordering.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Speed Sensor |
| OEM Part Number | 125-2966 |
| Alternative Part Number Format | 1252966 |
| Sensor Type | Magnetic Speed Sensor |
| Thread Size | M16 |
| Connector | 2-Pin DT |
| Wire Length | 210 mm / 8.3 in |
| Material | Carbon Steel |
| Application | Caterpillar Construction Equipment |
Specifications such as connector type, thread size and cable length come from Caterpillar’s parts information.
Compatible Caterpillar Models
The 125-2966 speed sensor is listed for the following Caterpillar models:
Excavators:
- Caterpillar 311B
- Caterpillar 312B
- Caterpillar 315B
- Caterpillar 315B L
- Caterpillar 317B L
- Caterpillar 317B LN
- Caterpillar 318B
- Caterpillar 320B
- Caterpillar 320B L
- Caterpillar 320B N
- Caterpillar 320B LU
- Caterpillar 321B
Wheel Loaders:
- Caterpillar 924K
- Caterpillar 930K
Caterpillar notes that sensor compatibility depends on the equipment configuration, so buyers should verify fitment before placing an order.
Replacement Part Number
When searching for this sensor, customers may use different number formats:
- 125-2966
- 1252966
- CA1252966
The first two formats are commonly used references for the same Caterpillar part number.
Related Caterpillar Sensors
If you are looking for more Caterpillar replacement sensors, explore our Caterpillar Sensors category. You can find speed sensors, pressure sensors, temperature sensors, fuel level sensors, and other aftermarket sensors for Caterpillar construction equipment.
For more information about the original 125-2966 Speed Sensor, you can also check the official Caterpillar parts catalog and compare the part number, specifications, and application details before ordering.
Related Caterpillar Replacement Parts
We also supply a wide range of Caterpillar replacement parts for excavators, wheel loaders, engines, and other heavy equipment. If you need a different Caterpillar part, send us the OEM part number, machine model, or product photo. Our team can help you check the available replacement options.
Need Help Confirming 125-2966 Fitment?
Before ordering a 125-2966 Speed Sensor, please confirm the OEM part number and machine model. Machine configurations can vary by serial number and production year. Contact us if you need help checking compatibility or sourcing other Caterpillar sensors.
Why Choose This Aftermarket Speed Sensor?
- Direct replacement for 125-2966
- Designed for selected Caterpillar equipment
- M16 threaded sensor body
- 2-pin DT electrical connector
- Suitable for aftermarket maintenance and replacement
- Available for B2B wholesale and distributor orders
Please provide your machine model, serial number, or existing sensor part number before ordering. We can help confirm the application.
