CATElectrical Parts

116-6680 Speed Sensor — Cat Excavator M312 M315

This is a speed sensor designed to accurately measure and transmit rotational speed data from a component, typically a driveshaft or wheel, to the machine's control module. It is manufactured to meet CAT's exacting standards for precision and durability, offering reliable readings unlike a worn sensor that provides erratic or no data. Operators may observe incorrect speed readings on the display, transmission shifting issues, or traction control malfunctions when this sensor is failing.

Speed Sensor – Part No 116-6680 – CAT Spare Part
Part Specifications
BrandCAT
CategoryElectrical Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeSpeed Sensor
MaterialMetal, Plastic, Electronic Components
ApplicationDriveshaft or wheel speed monitoring
Service LifeReplace every 6,000 hrs or 4 years
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing speed sensor is often inaccurate or fluctuating speed readings on the operator display. If the problem persists, the transmission may exhibit improper shifting, or related control systems like traction control could become unresponsive. This can compromise operational efficiency and safety.

Installation Tip

Ensure the air gap between the sensor tip and the reluctor wheel is set according to the service manual specifications. Avoid using magnetic tools near the sensor during installation, as this can interfere with its calibration.

Service Note

Inspect the reluctor wheel or tone ring for damage, debris, or excessive wear when replacing a speed sensor.