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DOUGLAS EQUIPMENT Miami · Since 1955
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CTP Alternator

CTP-4N3987

Alternator 4N3987 32V/60A — Cat GENERATOR

CTP alternator 4N3987 (32V/60A) for Caterpillar GENERATOR. New build (not remanufactured), heavy-duty bearings, brushes rated for high-vibration mining and construction service. Application: D346, D348, D349. Tropical-climate winding insulation.

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

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OEM Cross-References

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

  • 4N3987 OEM

Compatible Machines

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

  • GENERATOR D343
  • D346
  • D348
  • D349
  • D353C
  • D379
  • D379A
  • D379B
  • D398
  • D398A
  • D398B
  • D399
  • G342C
  • G353D

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CTP-1008223

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Need CTP-4N3987 or related parts?

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