CATEngine Parts

20r-1312-20r1312 24V Starter Motor 20R 1312 — Cat 3512C 3512B

This 24V starter motor is engineered to provide the high torque necessary to crank the engine during ignition, belonging to the engine starting system. Built with robust internal components and high-quality windings, it offers reliable performance and extended service life over a worn starter. Operators may notice a slow or hesitant engine crank, clicking sounds without engagement, or a complete failure to crank the engine when this starter motor is faulty.

24V Starter Motor 20R 1312 – Part No 20r-1312-20r1312 – 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 TypeStarter Motor
MaterialSteel, Copper, Aluminum
ApplicationEngine Starting System
Service LifeReplace based on operational cycles or failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing starter motor is often a sluggish engine crank or a loud clicking noise when the ignition is turned. If the problem persists, the engine may fail to crank altogether, leaving the equipment inoperable. Continued attempts to start with a faulty starter can drain the battery and potentially damage the flywheel ring gear.

Installation Tip

Ensure the engine's electrical system is disconnected before removing the old starter to prevent accidental engagement. Align the starter mounting bolts carefully with the engine block threads to avoid cross-threading.

Service Note

Inspect the battery, battery cables, and the engine's flywheel ring gear for wear or damage when replacing the starter motor.