Excavator Alternators

2871A902 24V 100A Alternator for Barber Greene BG8820 BG8820B

Q: What numbers are documented for 2871A902?

Primary Part Number: 2871A902. Catalog Cross-Reference - Verify Configuration: 20621N. Catalog Cross-Reference - Verify Configuration: 0005011080. Catalog Cross-Reference - Verify Configuration: 05011080. Catalog Cross-Reference - Verify Configuration: 0532342. Catalog Cross-Reference - Verify Configuration: 10443988. Catalog Cross-Reference - Verify Configuration: 11.203.102. Catalog Cross-Reference - Verify Configuration: 11.203.361. Catalog Cross-Reference - Verify Configuration: 11.203.502. Catalog Cross-Reference - Verify Configuration: 11.203.522. Catalog Cross-Reference - Verify Configuration: 11.203.694. Catalog Cross-Reference - Verify Configuration: 11.203.702. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 2871A902 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.

2871A902 24V 100A Alternator for Barber Greene BG8820 BG8820B, OEM/reference 2871A902, Alternator, product view 1

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OEM / reference2871A902

SpecificationAlternator

Catalog ID53598351

Alternator identified by primary reference 2871A902. Catalog-confirmed configuration: 24V, 100A. The cited technical sources record 13 application references. Confirm the complete number, connector or mounting arrangement, and machine serial range before ordering.

Product Type: Alternator
Product Brand: EexcavaStart
Voltage: 24V 100A
Technical Specification: 100 Amp/24 Volt, CW, w/o Pulley
Design: IR/IF
Voltage: 24
Amperage: 100
Rotation: CW
Pulley Class: w/o Pulley
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Source catalog	2871A902
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	20621N
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	0005011080
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	05011080
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	0532342
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	10443988
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.203.102
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.203.361
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.203.502
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.203.522
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.203.694
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.203.702
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.204.166
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.204.244
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.204.255
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.204.258
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	11.204.337
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	112567
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	114767
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	173-55201
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	20621
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	20R-4763
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	21827
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	21827N
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	220 56 60/0
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	2205660
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	282-30118
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	282-558
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	282-590
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	283701072
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	2871A901
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	2871A903
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	378-9640
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	400-29038
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	553666RI
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	553666RIM
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	566.502.080.090
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	566.502.100
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	566.502.100.090
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	566.502.100.098
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	566.502.100.311
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	566.502.100.312
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	706.502.100
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A-6643
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A9214
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A9214(LETRIKA)
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAK5325
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAK5554
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5124
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5325
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5501
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5546
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5554
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5595
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5597
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5806
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN5836
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN8156
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN8167
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AAN8170
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AG2005
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AIA0029
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AIS608
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	ALT20640
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AVF-20621
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	CAL21608
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	CAL21608GS
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	F032114767
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	IA 1133
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	IA 1243
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	IA0795
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	MG 142
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	MG 27

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

2871A902

Other documented relationship

20621N
0005011080
05011080
0532342
10443988
11.203.102
11.203.361
11.203.502
11.203.522
11.203.694
11.203.702
11.204.166
11.204.244
11.204.255
11.204.258
11.204.337
112567
114767
173-55201
20621
20R-4763
21827
21827N
220 56 60/0
2205660
282-30118
282-558
282-590
283701072
2871A901
2871A903
378-9640
400-29038
553666RI
553666RIM
566.502.080.090
566.502.100
566.502.100.090
566.502.100.098
566.502.100.311
566.502.100.312
706.502.100
A-6643
A9214
A9214(LETRIKA)
AAK5325
AAK5554
AAN5124
AAN5325
AAN5501
AAN5546
AAN5554
AAN5595
AAN5597
AAN5806
AAN5836
AAN8156
AAN8167
AAN8170
AG2005
AIA0029
AIS608
ALT20640
AVF-20621
CAL21608
CAL21608GS
F032114767
IA 1133
IA 1243
IA0795
MG 142
MG 27

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

Product summary

Alternator

Category: Excavator Alternators
Catalog ID: 53598351
Photo views: 8

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

13 model references

Recorded application: Make: Barber Greene · Model: BG8820 · Year: 2008-2011 · Engine: L6 7.2L 439cid Deutz
Recorded application: Make: Barber Greene · Model: BG8820B · Year: 2009-2014 · Engine: L6 6.7L 410cid Volvo
Recorded application: Make: Caterpillar · Model: CS66B · Year: 2012 · Engine: L4 4.4L 269cid Caterpillar C4.4
Recorded application: Make: Caterpillar · Model: CS76B · Year: 2012 · Engine: L4 4.4L 269cid Caterpillar C4.4
Recorded application: Make: Caterpillar · Model: CS78B · Year: 2012-2019 · Engine: L6 6.6L 403cid Caterpillar C6.6
Recorded application: Make: Caterpillar · Model: CS78B · Year: 2012 · Engine: L4 4.4L 269cid Caterpillar C4.4
Recorded application: Make: Caterpillar · Model: CW34 · Year: 2012-2014 · Engine: L6 6.6L 403cid Caterpillar C6.6
Recorded application: Make: Volvo · Model: ABG8820 · Year: 2008-2011 · Engine: L6 7.2L 439cid Deutz
Recorded application: Make: Volvo · Model: ABG8820B · Year: 2009-2014 · Engine: L6 6.7L 410cid Volvo
Recorded application: Make: Volvo · Model: L45F · Year: 2010-2012 · Engine: L4 4.8L 290cid Volvo
Recorded application: Make: Volvo · Model: L50F · Year: 2010-2012 · Engine: L4 4.8L 290cid Volvo
Recorded application: Make: Volvo · Model: P8720B · Year: 2017-2019 · Engine: L6 7.1L Volvo
Recorded application: Make: Volvo · Model: SD110B · Year: 2009-2014 · Engine: L5 2.4L 147cid Volvo

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 2871A902

Which machines use 2871A902?

Recorded compatible model references include Recorded application: Make: Barber Greene · Model: BG8820 · Year: 2008-2011 · Engine: L6 7.2L 439cid Deutz, Recorded application: Make: Barber Greene · Model: BG8820B · Year: 2009-2014 · Engine: L6 6.7L 410cid Volvo, Recorded application: Make: Caterpillar · Model: CS66B · Year: 2012 · Engine: L4 4.4L 269cid Caterpillar C4.4, Recorded application: Make: Caterpillar · Model: CS76B · Year: 2012 · Engine: L4 4.4L 269cid Caterpillar C4.4, Recorded application: Make: Caterpillar · Model: CS78B · Year: 2012-2019 · Engine: L6 6.6L 403cid Caterpillar C6.6, Recorded application: Make: Caterpillar · Model: CS78B · Year: 2012 · Engine: L4 4.4L 269cid Caterpillar C4.4, Recorded application: Make: Caterpillar · Model: CW34 · Year: 2012-2014 · Engine: L6 6.6L 403cid Caterpillar C6.6, Recorded application: Make: Volvo · Model: ABG8820 · Year: 2008-2011 · Engine: L6 7.2L 439cid Deutz and 5 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 2871A902?

No alternate number is listed for 2871A902. Send the original nameplate for an alternate-number check.

How do I confirm 2871A902 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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