Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Exact identity retained from the supplied application catalog | YM119740-77020 |
Excavator Starter Motors
Starter Motor YM119740-77020 for Komatsu PC20MR-3/PC22MR-5 3D76E-6
Brand illustration · Exact product photo available on request.
OEM / referenceYM119740-77020
SpecificationStarter Motor
Catalog ID91002057
Part number YM119740-77020 is recorded in the supplied equipment catalog as a starter motor used on selected Komatsu machines. The source set contains 4 supporting catalog rows. Recorded machine applications include PC20MR-3/PC22MR-5; recorded engine references include 3D76E-6. Confirm the complete part number, electrical rating, terminals, mounting arrangement and machine serial range against the original unit before ordering.
- Product Type
- Starter Motor
- Supply Brand
- EexcavaStart
- Equipment Brand
- Komatsu
- Catalog Classification
- Starting Motor Ass'Y,(See Fig.A6210-B0A1)
- Application Records
- 4
- Condition
- New replacement part
- Gallery Representation
- EexcavaStart neutral packaging illustration; exact product photo available on request
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
Primary number
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Starter Motor
- Category
- Excavator Starter Motors
- Catalog ID
- 91002057
- Photo views
- 1
Before ordering
Confirm these details
- Confirm voltage and power rating against the original starter nameplate.
- Compare mounting-hole pattern, flange position and overall body orientation.
- Confirm pinion tooth count and rotation where those values are specified.
- Verify the engine model and machine serial range before ordering.
Machine fitment
Compatible model references
3 model references
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 YM119740-77020
Which machines use YM119740-77020?
Recorded compatible model references include Machine models: PC20MR-3/PC22MR-5, Engine models: 3D76E-6, Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for YM119740-77020?
No alternate number is listed for YM119740-77020. Send the original nameplate for an alternate-number check.
How do I confirm YM119740-77020 before ordering?
Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.