Excavator Starter Motors

1J730-63010 12V 2.0kW 8T Starter Motor for Kubota KX057-4 KX057-4C

Q: What numbers are documented for 1J730-63010?

Primary Part Number: 1J730-63010. Source Catalog Number: 30579N. Catalog Cross-Reference - Verify Configuration: 107086. Catalog Cross-Reference - Verify Configuration: 116479. Catalog Cross-Reference - Verify Configuration: 190-6539. Catalog Cross-Reference - Verify Configuration: 1J730-63011. Catalog Cross-Reference - Verify Configuration: 246-20132. Catalog Cross-Reference - Verify Configuration: 255367. Catalog Cross-Reference - Verify Configuration: 30579. Catalog Cross-Reference - Verify Configuration: 410-52459. Catalog Cross-Reference - Verify Configuration: 428000-6940. Catalog Cross-Reference - Verify Configuration: 690.558.082. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 1J730-63010 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 / reference1J730-63010

SpecificationStarter Motor

Catalog ID53861315

Starter Motor referenced by 1J730-63010. An exact part-number match confirms 18 application records and 18 related reference numbers. Verified configuration: 2.0kW/12 Volt, CW, 8-Tooth Pinion. Confirm the complete part number, mounting arrangement, electrical connection and machine serial range before ordering.

Product Type: Starter Motor
Product Brand: EexcavaStart
Technical Specification: 2.0kW/12 Volt, CW, 8-Tooth Pinion
Design: OSGR
Voltage: 12
Rated Power: 2.0
Rotation: CW
Pinion Teeth: 8
Condition: New replacement part

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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	Exact catalog identity	1J730-63010
Source Catalog Number	Exact technical catalog record	30579N
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	107086
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	116479
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	190-6539
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	1J730-63011
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	246-20132
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	255367
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	30579
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	410-52459
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	428000-6940
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	690.558.082
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	690.558.082.050
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	690.558.082.260
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	CST40455AS
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	F032116479
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	S-80639
Catalog Cross-Reference - Verify Configuration	Exact catalog record; configuration check required	STR70429

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

1J730-63010

Other documented relationship

30579N
107086
116479
190-6539
1J730-63011
246-20132
255367
30579
410-52459
428000-6940
690.558.082
690.558.082.050
690.558.082.260
CST40455AS
F032116479
S-80639
STR70429

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

Product summary

Starter Motor

Category: Excavator Starter Motors
Catalog ID: 53861315
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

18 model references

Exact catalog application: Make: Kubota · Model: KX057-4 · Year: 2010-2018 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: KX057-4C · Year: 2010-2018 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: KX057-4CA · Year: 2010-2018 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: R530 · Year: 2015-2019 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: R530C · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: R530CA · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: R630 · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: R630C · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: R630CA · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: SSV65 · Year: 2011-2022 · Engine: L4 3.3L 203cid Kubota V3307-DI
Exact catalog application: Make: Kubota · Model: SSV65C · Year: 2011-2022 · Engine: L4 3.3L 203cid Kubota V3307-DI
Exact catalog application: Make: Kubota · Model: SSV65P · Year: 2011-2022 · Engine: L4 3.3L 203cid Kubota V3307-DI
Exact catalog application: Make: Kubota · Model: SSV65PC · Year: 2011-2022 · Engine: L4 3.3L 203cid Kubota V3307-DI
Exact catalog application: Make: Kubota · Model: U55-4 · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: U55-4C · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: U55-4CA · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: U55C · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607
Exact catalog application: Make: Kubota · Model: U55CA · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607

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 1J730-63010

Which machines use 1J730-63010?

Recorded compatible model references include Exact catalog application: Make: Kubota · Model: KX057-4 · Year: 2010-2018 · Engine: L4 2.6L 160cid Kubota V2607, Exact catalog application: Make: Kubota · Model: KX057-4C · Year: 2010-2018 · Engine: L4 2.6L 160cid Kubota V2607, Exact catalog application: Make: Kubota · Model: KX057-4CA · Year: 2010-2018 · Engine: L4 2.6L 160cid Kubota V2607, Exact catalog application: Make: Kubota · Model: R530 · Year: 2015-2019 · Engine: L4 2.6L 160cid Kubota V2607, Exact catalog application: Make: Kubota · Model: R530C · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607, Exact catalog application: Make: Kubota · Model: R530CA · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607, Exact catalog application: Make: Kubota · Model: R630 · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607, Exact catalog application: Make: Kubota · Model: R630C · Year: 2015-2016 · Engine: L4 2.6L 160cid Kubota V2607 and 10 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 1J730-63010?

No alternate number is listed for 1J730-63010. Send the original nameplate for an alternate-number check.

How do I confirm 1J730-63010 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.