Excavator Starter Motors

Starter Motor 228000-1831 24V 4.5kW 10-Tooth for Caterpillar Ag. & Ind. 1000

Q: What numbers are documented for 228000-1831?

Primary Part Number: 228000-1831. Manufacturer / OEM Reference: 0R4321. Manufacturer / OEM Reference: 100-6929. Manufacturer / OEM Reference: 143-0541. Manufacturer / OEM Reference: 228000-1830. Manufacturer / OEM Reference: 228000-1832. Catalog Cross-Reference: 18505N. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 228000-1831 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.

Brand illustration · Exact product photo available on request.

OEM / reference228000-1831

Specification24V 4.5kW Starter Motor

Catalog ID91003658

228000-1831 is cataloged as a starter motor with design OSGR, voltage 24V, power 4.5kW, pinion teeth 10, rotation CW. Exact application data includes Caterpillar Ag. & Ind. 1000 (1992-2005; Engine Perkins Eng.), with catalog coverage for Caterpillar (1985-2023), Caterpillar Ag. & Ind. (1992-2006). Confirm the complete part number, voltage, mounting, terminal layout, rotation and pinion configuration against the original unit before shipment. The displayed EexcavaStart package is a catalog illustration, not a photograph of the supplied product.

Product Type: Starter Motor
Design: OSGR
Voltage: 24V
Power: 4.5kW
Pinion Teeth: 10
Rotation: CW
Condition: New replacement part
Gallery Representation: EexcavaStart neutral packaging illustration; exact product photo available on request

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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 Part Number	Primary identity used for this catalog page	228000-1831
Manufacturer / OEM Reference	Listed under Caterpillar	0R4321
Manufacturer / OEM Reference	Listed under the exact-reference catalog	100-6929
Manufacturer / OEM Reference	Listed under the exact-reference catalog	143-0541
Manufacturer / OEM Reference	Listed under Denso	228000-1830
Manufacturer / OEM Reference	Listed under the exact-reference catalog	228000-1832
Catalog Cross-Reference	Exact-reference catalog number	18505N

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

228000-1831

Manufacturer number

0R4321
100-6929
143-0541
228000-1830
228000-1832

Other documented relationship

18505N

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

Product summary

24V 4.5kW Starter Motor

Category: Excavator Starter Motors
Catalog ID: 91003658
Photo views: 1

Before ordering

Confirm these details

Confirm voltage and power rating against the original starter nameplate.
Compare mounting-hole pattern, flange position and overall body orientation.
Confirm pinion tooth count and rotation where those values are specified.
Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

69 model references

Caterpillar Ag. & Ind. 1000: 1992-2005; Engine Perkins Eng.
Caterpillar Ag. & Ind. 914G: 1995-2003; Engine Cat. 3054
Caterpillar Ag. & Ind. 924G: 2000-2006; Engine Caterpillar Dsl., 3056T, 6.0L
Caterpillar Ag. & Ind. 924GZ: 2000-2006; Engine Caterpillar Dsl., 3056T, 6.0L
Caterpillar Ag. & Ind. CS433C: 1992-2005; Engine Caterpillar Dsl., 3054 4.4L
Caterpillar Ag. & Ind. PS150B: 1996-1998; Engine Cat. 3054
Caterpillar Ag. & Ind. PS200B: 1996-1998; Engine Cat. 3054
Caterpillar 914G: 1995-2012; Engine L4 4.4L 269cid 3054
Caterpillar 914G: 1995-2012; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar 924G: 2000-2008; Engine L6 6.0L 365cid 3056B
Caterpillar 924G: 2000-2008; Engine L6 6.0L 365cid CaterpiLLar 3056B
Caterpillar 924G: 2000-2008; Engine L6 6.0L 366cid CaterpiLLar 3056T
Caterpillar 924G: 2003-2009; Engine L6 6.0L 365cid Caterpillar
Caterpillar 924GZ: 2000-2007; Engine L6 6.0L 366cid 3056T
Caterpillar 924GZ: 2000-2007; Engine L6 6.0L 366cid CaterpiLLar 3056T
Caterpillar 924GZ: 2000-2009; Engine L6 6.0L 365cid Caterpillar
Caterpillar 928G: 1996-2023; Engine L6 6.0L 365cid 3056E
Caterpillar 928G: 1996-2023; Engine L6 6.0L 365cid CaterpiLLar 3056E
Caterpillar 930G: 2003-2008; Engine L6 6.0L 365cid 3056E
Caterpillar 930G: 2003-2008; Engine L6 6.0L 365cid CaterpiLLar 3056E
Caterpillar 930G: 2009-2014; Engine L6 6.0L 365cid Caterpillar
Caterpillar CB434B: 1993-1996; Engine L4 4.4L 269cid 3054
Caterpillar CB434B: 1993-1996; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CB434C: 1995-2006; Engine L4 4.4L 269cid 3054
Caterpillar CB434C: 1995-2006; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CB534B: 1993-1995; Engine L4 4.4L 269cid 3054D
Caterpillar CB534B: 1993-1995; Engine L4 4.4L 269cid CaterpiLLar 3054D
Caterpillar CB534C: 1995-2006; Engine L4 4.4L 269cid 3054D
Caterpillar CB534C: 1995-2006; Engine L4 4.4L 269cid CaterpiLLar 3054D
Caterpillar CB535B: 1995-2003; Engine L4 4.4L 269cid 3054D
Caterpillar CB535B: 1995-2003; Engine L4 4.4L 269cid CaterpiLLar 3054D
Caterpillar CB544: 1995-1997; Engine L4 4.4L 269cid 3054
Caterpillar CB544: 1995-1997; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CB545: 1998-2001; Engine L4 4.4L 269cid 3054
Caterpillar CB545: 1998-2001; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CP323C: 1995-2017; Engine L4 4.4L 269cid 3054
Caterpillar CP323C: 1995-2017; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CP433C: 1997-2002; Engine L4 4.4L 269cid 3054
Caterpillar CP433C: 1997-2002; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CP433E: 2001-2011; Engine L4 4.4L 269cid 3054
Caterpillar CP433E: 2001-2011; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CP433E: 2001-2011; Engine L4 4.4L 269cid Caterpillar 3054C
Caterpillar CP433E: 2001-2011; Engine L4 4.4L 269cid Caterpillar 3054T
Caterpillar CS323C: 1995-2012; Engine L4 4.4L 269cid 3054C
Caterpillar CS323C: 1995-2012; Engine L4 4.4L 269cid CaterpiLLar 3054C
Caterpillar CS433C: 1997-2002; Engine L4 4.4L 269cid 3054
Caterpillar CS433C: 1997-2002; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CS433E: 2001-2011; Engine L4 4.4L 269cid 3054
Caterpillar CS433E: 2001-2011; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar CS433E: 2001-2011; Engine L4 4.4L 269cid Caterpillar 3054C
Caterpillar CS433E: 2001-2011; Engine L4 4.4L 269cid Caterpillar 3054T
Caterpillar IT14G: 1995-2015; Engine L4 4.4L 269cid 3054
Caterpillar IT14G: 1995-2015; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar IT28G: 1995-2004; Engine L6 6.0L 365cid 3056E
Caterpillar IT28G: 1995-2004; Engine L6 6.0L 365cid CaterpiLLar 3056E
Caterpillar PF290B: 1997-2003; Engine L4 4.4L 269cid 3054
Caterpillar PF290B: 1997-2003; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar PF300B: 1996-2007; Engine L4 4.4L 269cid 3054
Caterpillar PF300B: 1996-2007; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar PS150B: 1985-1996; Engine L4 4.4L 269cid 3054
Caterpillar PS150B: 1985-1996; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar PS200B: 1996-2007; Engine L4 4.4L 269cid 3054
Caterpillar PS200B: 1996-2007; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar PS300B: 1996-2004; Engine L4 4.4L 269cid 3054
Caterpillar PS300B: 1996-2004; Engine L4 4.4L 269cid CaterpiLLar 3054
Caterpillar PS360B: 1997-2004; Engine L4 4.4L 269cid 3054
Caterpillar PS360B: 1997-2004; Engine L4 4.4L 269cid CaterpiLLar 3054
Catalog coverage: Caterpillar (1985-2023) ** Caterpillar Ag. & Ind. (1992-2006)
Fitment limitation: Confirm the exact number, nameplate, mounting, terminal layout, rotation and pinion teeth against the original starter before shipment

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 228000-1831

Which machines use 228000-1831?

Recorded compatible model references include Caterpillar Ag. & Ind. 1000: 1992-2005; Engine Perkins Eng., Caterpillar Ag. & Ind. 914G: 1995-2003; Engine Cat. 3054, Caterpillar Ag. & Ind. 924G: 2000-2006; Engine Caterpillar Dsl., 3056T, 6.0L, Caterpillar Ag. & Ind. 924GZ: 2000-2006; Engine Caterpillar Dsl., 3056T, 6.0L, Caterpillar Ag. & Ind. CS433C: 1992-2005; Engine Caterpillar Dsl., 3054 4.4L, Caterpillar Ag. & Ind. PS150B: 1996-1998; Engine Cat. 3054, Caterpillar Ag. & Ind. PS200B: 1996-1998; Engine Cat. 3054, Caterpillar 914G: 1995-2012; Engine L4 4.4L 269cid 3054 and 61 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 228000-1831?

Manufacturer number: 0R4321, 100-6929, 143-0541, 228000-1830, 228000-1832.

How do I confirm 228000-1831 before ordering?

Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.