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DOUGLAS EQUIPMENT Miami · Since 1955
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CTP Starter Motor

CTP-3T4405

Starter Motor 3T4405 — Cat 446B

CTP heavy-duty starter motor 3T4405 for Caterpillar 446B, 508, 517, 527, 539, 561D, 561M,. High-torque planetary reduction. New solenoid, planetary gears, drive assembly. Fits 561D, 561M, TOGGLE 3508B.

In Stock — Miami Warehouse LATAM · 0% Pricing Eligible 30-50% vs OEM

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Send your machine model + serial number. We confirm exact cross-reference, USD price, lead time, and LATAM documentation.

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OEM Cross-References

CTP aftermarket reference cross-references the following OEM part numbers:

  • 3T4405 OEM

Compatible Machines

Documented fitment for the following machines. Verify with your machine serial number for exact match.

  • 446B
  • 561D
  • 561M
  • TOGGLE 3508B
  • 3508C
  • 3512B
  • 3512C
  • 3516B
  • 3516C
  • 571G
  • 572G
  • 572R
  • 583R
  • 587R

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CTP-0861879

Starter Motor 0861879 — Cat E110B

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CTP-10000

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CTP-1006903

Starter Motor 1006903 — Cat SWITCH AS

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CTP-1008224

Starter Motor 1008224 — Cat CB-564D

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Available now

Need CTP-3T4405 or related parts?

Send your machine model + part list. We confirm cross-reference, stock, and LATAM documentation in hours.

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