Excavator Alternators

01181739 MG312 28V 55A Alternator for Deutz BF4M2012C

Q: What numbers are documented for 01181739?

Primary OE Number: 01181739. Formatted Alias: 0118 1739. Manufacturer Part Number: 11.203.399. Manufacturer Model Reference: MG 312. Manufacturer Model Reference: IA1026. Manufacturer Family Reference: AAK5568. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 01181739 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 / reference01181739

Specification28V 55A Alternator

Catalog ID

The MAHLE/Letrika manufacturer catalog identifies Deutz/KHD number 01181739 as alternator MG 312 / IA1026 / 11.203.399 / AAK5568, rated 28V and 55A for the Deutz BF4M2012C engine family. The exact owned main product view is retained; unrelated marketing and different-alternator images are removed. Confirm the complete number, mounting dimensions, pulley, terminals, engine arrangement and machine serial range before ordering.

Product Type: Alternator
Nominal Voltage: 28V
Rated Output: 55A
Manufacturer Family: MAHLE/Letrika MG 312
Pulley / Mounting / Terminals: Confirm against the original unit

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

Part-number relationships

Relationship	Reference family	Number
Primary OE Number	Deutz/KHD catalog reference	01181739
Formatted Alias	Same Deutz/KHD number with spacing	0118 1739
Manufacturer Part Number	MAHLE/Letrika number	11.203.399
Manufacturer Model Reference	MAHLE model	MG 312
Manufacturer Model Reference	Letrika sales number	IA1026
Manufacturer Family Reference	Letrika family	AAK5568

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

01181739

Manufacturer number

11.203.399
MG 312
IA1026
AAK5568

Formatting alias

0118 1739

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

Product summary

28V 55A Alternator

Category: Excavator Alternators
Catalog ID
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

3 model references

Engine family: Deutz BF4M2012C
Manufacturer classification: Deutz / Liebherr
Fitment limitation: Confirm 01181739, mounting, pulley, terminals, engine arrangement and machine serial range

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 01181739

Which machines use 01181739?

Recorded compatible model references include Engine family: Deutz BF4M2012C, Manufacturer classification: Deutz / Liebherr, Fitment limitation: Confirm 01181739, mounting, pulley, terminals, engine arrangement and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 01181739?

Manufacturer number: 11.203.399, MG 312, IA1026, AAK5568. Formatting aliases for the same number: 0118 1739.

How do I confirm 01181739 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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