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Alternators

119751-77200 12V 40A Alternator

OEM / reference119751-77200 · Exact reference verified
Specification40 Amp/12 Volt, V1
Catalog ID50452583

Alternator referenced by 119751-77200. An exact part-number match confirms 4 application records and 13 related reference numbers. Verified configuration: 40 Amp/12 Volt, V1. Confirm the complete part number, mounting arrangement, electrical connection and machine serial range before ordering.

Reference Numbers
119751-77200
Component Type
Alternator
Technical Specification
40 Amp/12 Volt, V1
Design
IR/IF
Voltage
12
Rated Output
40
Pulley Class
V1

Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

  • 119751-77200
  • 22079N
  • 101211-1420
  • 114384
  • 146-93119
  • 20040125AV
  • 20040125OV
  • 22079
  • 290-0004
  • 554407RI
  • 554407RID
  • 985.508.040.050
  • CAL40442GS

Search with or without hyphens. Match the complete number on the original part.

Product summary

40 Amp/12 Volt, V1

Category
Alternators
Catalog ID
50452583
Photo views
5

Before ordering

Confirm these details

  • Confirm voltage and rated amperage against the original alternator label.
  • Compare mounting ears, pulley type and pulley-groove count.
  • Check plug shape, terminal position and regulator connection.
  • Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

4 model references

  • Make: Komatsu · Model: PC45MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 4D88E-7
  • Make: Komatsu · Model: PC45MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 Komatsu 4D88E-7
  • Make: Komatsu · Model: PC55MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 4D88E-7
  • Make: Komatsu · Model: PC55MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 Komatsu 4D88E-7

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 119751-77200

Which machines use 119751-77200?

Recorded compatible model references include Make: Komatsu · Model: PC45MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 4D88E-7, Make: Komatsu · Model: PC45MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 Komatsu 4D88E-7, Make: Komatsu · Model: PC55MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 4D88E-7, Make: Komatsu · Model: PC55MR-5M · Year: 2015-2019 · Engine: L4 2.2L 0 Komatsu 4D88E-7. Confirm the complete part number and machine serial range before ordering.

What part numbers cross-reference with 119751-77200?

The recorded reference family includes 119751-77200, 22079N, 101211-1420, 114384, 146-93119, 20040125AV, 20040125OV, 22079, 290-0004, 554407RI, 554407RID, 985.508.040.050 and 1 additional numbers listed above. Match the complete number and physical configuration before replacing the original part.

How do I confirm 119751-77200 before ordering?

Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.

Continue comparing recovered references from the same system.

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