Alternators

123900-77210 / LR160-735 12V 60A Alternator for Daewoo Solar 55-V, Komatsu PC110R-1

Q: What numbers are documented for 123900-77210?

Primary OE Part Number: 123900-77210. Same-number Formatting Alias: 12390077210. aftermarket replacement Part Number: 12761N. Hitachi OE Reference: LR160-735. Same-number Formatting Alias: LR160735. Hitachi OE Variant: LR160-735B. Legacy SKU String - Relation Not Established: LR160741. Legacy SKU String - Relation Not Established: 128271-77200. Catalog Cross-Reference - Verify Configuration: 020735. Catalog Cross-Reference - Verify Configuration: 112671. Catalog Cross-Reference - Verify Configuration: 12761. Catalog Cross-Reference - Verify Configuration: 129900-77210. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 123900-77210 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.

123900-77210 / LR160-735 12V 60A Alternator for Daewoo Solar 55-V, Komatsu PC110R-1, OEM/reference 123900-77210, 12V 60A alternator, product view 1

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OEM / reference123900-77210

Specification12V 60A alternator

Catalog ID53619653

Product Type: Alternator
aftermarket catalog number: 12761N
Nominal System Voltage: 12V
Rated Output: 60A
Rotation: Clockwise
Pulley: 82mm OD, single V-groove
Regulator / Fan: Internal regulator and internal fan
Ground / Polarity: Negative ground, B+ output
Fitment Check: Confirm connectors, mounting ears, pulley offset and original label

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

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary OE Part Number	aftermarket 12761N exact catalog family	123900-77210
Same-number Formatting Alias	Search alias only	12390077210
aftermarket replacement Part Number	Exact aftermarket catalog family	12761N
Hitachi OE Reference	Verified 12761N interchange record	LR160-735
Same-number Formatting Alias	Search alias only	LR160735
Hitachi OE Variant	Verified 12761N interchange record	LR160-735B
Legacy SKU String - Relation Not Established	Not present in the reviewed aftermarket 12761N reference family	LR160741
Legacy SKU String - Relation Not Established	Not present in the reviewed aftermarket 12761N reference family	128271-77200
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	020735
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	112671
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	12761
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	129900-77210
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	140-15104
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	165.829.060
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	165.829.060.080
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	165.829.060.360
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	204-1003
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	204-295
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	22255574
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	28-5904
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	400-44044
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	400-44044R
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	553136RI
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	553136RIV
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	582114602
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	90-25-1174
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	A-80120
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	A2127S
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	AHI0146
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	ALT32133
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	AT212011
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	CAL20158
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	CAL20158AS
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	CAL20158GS
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	CAL20158RS
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	DRA0835
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	F032112671
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	LR160-171
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	LRA03292
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	RYM12990077210
Cross-reference (fitment check required)	Recorded in the verified 12761N interchange record; confirm electrical, mounting and application configuration	VA-12761

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

123900-77210

Formatting alias

12390077210
LR160735

Cross-reference (fitment check required)

020735
112671
12761
129900-77210
140-15104
165.829.060
165.829.060.080
165.829.060.360
204-1003
204-295
22255574
28-5904
400-44044
400-44044R
553136RI
553136RIV
582114602
90-25-1174
A-80120
A2127S
AHI0146
ALT32133
AT212011
CAL20158
CAL20158AS
CAL20158GS
CAL20158RS
DRA0835
F032112671
LR160-171
LRA03292
RYM12990077210
VA-12761

Other documented relationship

12761N
LR160-735
LR160-735B
LR160741
128271-77200

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

12V 60A alternator

Category: Alternators
Catalog ID: 53619653
Photo views: 7

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

Daewoo Solar 55-V Plus: 4TNE94; catalog records 2003-2008
Daewoo Solar 55-V: Yanmar 4TNV94; catalog records 1998-2003
Doosan DX55: Yanmar 4TNV98; catalog records 2008-2013
Komatsu PC110R-1: Komatsu S4D106; catalog records 2003-2008
Takeuchi TL150: Yanmar 4TNE106/4TNV106 family; catalog records 2000-2009
Yanmar industrial engines: 4TNE94, 4TNE102, 4TNE106 and 4TNV106-GGE catalog families
Doosan catalog applications: SOLAR 75-V - DIEU

Fitment / evidence notes

Fitment limitation: Confirm 123900-77210, LR160-735 or aftermarket 12761N, engine 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 123900-77210

Which machines use 123900-77210?

Recorded compatible model references include Daewoo Solar 55-V Plus: 4TNE94; catalog records 2003-2008, Daewoo Solar 55-V: Yanmar 4TNV94; catalog records 1998-2003, Doosan DX55: Yanmar 4TNV98; catalog records 2008-2013, Komatsu PC110R-1: Komatsu S4D106; catalog records 2003-2008, Takeuchi TL150: Yanmar 4TNE106/4TNV106 family; catalog records 2000-2009, Yanmar industrial engines: 4TNE94, 4TNE102, 4TNE106 and 4TNV106-GGE catalog families, Doosan catalog applications: SOLAR 75-V - DIEU. Recorded fitment/evidence notes: Fitment limitation: Confirm 123900-77210, LR160-735 or aftermarket 12761N, engine and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 123900-77210?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Formatting aliases for the same number: 12390077210, LR160735.

How do I confirm 123900-77210 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.