Alternators

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

Q: What numbers are documented for 2871A902?

Primary Part Number: 2871A902. Related reference - verify configuration: 20621N. Related reference - verify configuration: 0005011080. Related reference - verify configuration: 05011080. Related reference - verify configuration: 0532342. Related reference - verify configuration: 10443988. Related reference - verify configuration: 11.203.102. Related reference - verify configuration: 11.203.361. Related reference - verify configuration: 11.203.502. Related reference - verify configuration: 11.203.522. Related reference - verify configuration: 11.203.694. Related 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

Product Type: Alternator
Product Brand: EexcavaStart
Technical Specification: 100 Amp/24 Volt, CW, w/o Pulley
Design: IR/IF
Voltage: 24V
Amperage: 100A
Rotation: CW
Pulley Class: w/o Pulley
Condition: New replacement part
Reference limitation: Confirm original-unit ratings, mounting, connections and equipment serial range; related numbers do not guarantee universal interchange.

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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 Part Number	Product reference	2871A902
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	20621N
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	0005011080
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	05011080
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	0532342
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	10443988
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.203.102
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.203.361
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.203.502
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.203.522
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.203.694
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.203.702
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.204.166
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.204.244
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.204.255
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.204.258
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	11.204.337
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	112567
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	114767
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	173-55201
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	20621
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	20R-4763
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	21827
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	21827N
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	220 56 60/0
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	2205660
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	282-30118
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	282-558
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	282-590
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	283701072
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	2871A901
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	2871A903
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	378-9640
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	400-29038
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	553666RI
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	553666RIM
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	566.502.080.090
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	566.502.100
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	566.502.100.090
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	566.502.100.098
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	566.502.100.311
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	566.502.100.312
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	706.502.100
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	A-6643
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	A9214
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAK5325
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAK5554
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5124
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5325
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5501
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5546
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5554
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5595
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5597
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5806
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN5836
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN8156
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN8167
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AAN8170
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AG2005
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AIA0029
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AIS608
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	ALT20640
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	AVF-20621
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	CAL21608
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	CAL21608GS
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	F032114767
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	IA 1133
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	IA 1243
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	IA0795
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	MG 142
Cross-reference (fitment check required)	Confirm electrical, mounting and application configuration	MG 27
Cross-reference (fitment check required)	ARROWHEAD	AIA0029
Cross-reference (fitment check required)	ARROWHEAD	IA1133
Cross-reference (fitment check required)	ARROWHEAD	MG142
Cross-reference (fitment check required)	LESTER	20621
Cross-reference (fitment check required)	LETRIKA (ISKRA) AFTERMARKET	IA 1133
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.203.102
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.203.502
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.203.694
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.203.702
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.204.244
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.204.255
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.204.258
Cross-reference (fitment check required)	LETRIKA (ISKRA) OEM	11.204.337
Cross-reference (fitment check required)	MAHLE	MG142
Cross-reference (fitment check required)	PERKINS	2871A903
Cross-reference (fitment check required)	PERKINS	3789640

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

Cross-reference (fitment check required)

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
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
IA1133
MG142
3789640

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

Alternator

Category: 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?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

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.