Excavator Alternators

50504300 28V 40A Alternator for Hatz L-Series and M-Series Engines

Q: What numbers are documented for 50504300?

Primary OE Number: 50504300. Official Comparison Number: 50164901. Official Comparison Number: 50164902. Official Comparison Number: 50164900. Official Comparison Number: 49038800. Official Comparison Number: 40121600. Official Comparison Number: 01035000. Official Comparison Number: 01027401. Official Comparison Number: 01027400. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 50504300 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

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OEM / reference50504300

Specification28V 40A Alternator

Catalog ID75321867

Hatz current part number 50504300 identifies a 28V, 40A alternator for selected Hatz L-series and M-series engines. The official Hatz parts page lists 50164901 and 50164902 as comparison numbers and documents applications across 2L30/31/40/41C, 3L30/31/40/41C/43C, 4L31/40/41C/42C/43C, 2M40/41, 3M40/41/43 and 4M40/41/42/43 families. The retained EexcavaStart-owned photograph matches the same external-fan alternator stored in the exact 50504300 local folder. Earlier 24V legacy pages are consolidated because Hatz specifies the charging-unit rating as 28V 40A. Confirm 50504300, engine variant, mounting studs, regulator connections and fan configuration before ordering.

Product Type: Alternator
Nominal Charging Voltage: 28V
Rated Output: 40A
Engine Series: Hatz L and M families
Condition: New replacement unit; confirm quotation configuration

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Part-number relationships

Relationship	Reference family	Number
Primary OE Number	Current Hatz part number	50504300
Official Comparison Number	Hatz catalog comparison number	50164901
Official Comparison Number	Hatz catalog comparison number	50164902
Official Comparison Number	Hatz catalog comparison number	50164900
Official Comparison Number	Hatz catalog comparison number	49038800
Official Comparison Number	Hatz catalog comparison number	40121600
Official Comparison Number	Hatz catalog comparison number	01035000
Official Comparison Number	Hatz catalog comparison number	01027401
Official Comparison Number	Hatz catalog comparison number	01027400

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

50504300

Other documented relationship

50164901
50164902
50164900
49038800
40121600
01035000
01027401
01027400

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

28V 40A Alternator

Category: Excavator Alternators
Catalog ID: 75321867
Photo views: 1

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

7 model references

Hatz L-series: 2L30, 2L31, 2L40, 2L41C
Hatz L-series: 3L30, 3L31, 3L40, 3L41C, 3L43C
Hatz L-series: 4L31, 4L40, 4L41C, 4L42C, 4L43C
Hatz M-series: 2M40, 2M41
Hatz M-series: 3M40, 3M41, 3M43
Hatz M-series: 4M40, 4M41, 4M42, 4M43
Fitment limitation: Confirm 50504300, 28V 40A, exact engine variant, mounting studs, regulator connections and fan configuration

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 50504300

Which machines use 50504300?

Recorded compatible model references include Hatz L-series: 2L30, 2L31, 2L40, 2L41C, Hatz L-series: 3L30, 3L31, 3L40, 3L41C, 3L43C, Hatz L-series: 4L31, 4L40, 4L41C, 4L42C, 4L43C, Hatz M-series: 2M40, 2M41, Hatz M-series: 3M40, 3M41, 3M43, Hatz M-series: 4M40, 4M41, 4M42, 4M43, Fitment limitation: Confirm 50504300, 28V 40A, exact engine variant, mounting studs, regulator connections and fan configuration. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 50504300?

No alternate number is listed for 50504300. Send the original nameplate for an alternate-number check.

How do I confirm 50504300 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 verified references from the same system.

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