CATEngine Parts

149-2612 Reversing Relay — Cat 3306 3406

This reversing relay is an electrical control component used in the transmission system to direct hydraulic flow for forward and reverse operation. It is built to meet stringent OEM quality standards, ensuring reliable switching and precise control, unlike a faulty relay that may cause intermittent or complete loss of directional movement. Operators might experience the transmission failing to engage in either forward or reverse, or unexpected neutral engagement when this relay malfunctions.

Reversing Relay – Part No 149-2612 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeReversing Relay
MaterialPlastic, metal, electrical components
ApplicationTransmission control system
Service LifeReplace based on electrical diagnostics and failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a failing reversing relay is the inability of the transmission to engage in either the forward or reverse direction. This can manifest as the machine not moving when a direction is selected, or intermittently shifting out of gear. If left unaddressed, the machine will be immobilized, preventing any work from being performed.

Installation Tip

Ensure the machine's electrical system is de-energized and the battery is disconnected before attempting to replace the relay. Avoid forcing electrical connectors, as this can damage the pins or the connector housing.

Service Note

Inspect the transmission control levers, wiring harness, and hydraulic solenoids for any signs of damage or malfunction when replacing the reversing relay.