CATEngine Parts

1204-036-120-4004 D C Motor Controller — Cat 150B 200B

This is a DC motor controller, responsible for regulating the speed and direction of a DC electric motor within various equipment systems. It is manufactured to meet stringent OEM quality standards, providing precise and reliable control compared to a faulty controller exhibiting erratic motor behavior. Operators may notice the associated motor operating inconsistently, failing to respond to commands, or running at incorrect speeds.

D C Motor Controller – Part No 1204-036-120-4004 – 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 TypeDC Motor Controller
MaterialElectronic components and metal housing
ApplicationElectric motor control system
Service LifeReplace as needed based on electrical failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An initial symptom of a failing DC motor controller is erratic or inconsistent operation of the associated electric motor, such as jerky movements or failure to respond. If the problem persists, the motor may stop functioning altogether or operate at a constant, incorrect speed. Continued operation with a faulty controller can lead to damage to the motor or other electrical components in the system.

Installation Tip

Always disconnect battery power before servicing or replacing the controller to prevent electrical shorts and damage. Ensure all wiring connections are clean, tight, and correctly routed according to the equipment's wiring diagram.

Service Note

Inspect the electric motor for signs of overheating or bearing wear, and check all associated wiring and connectors for damage or corrosion.