Starter Motors

3T2781 24V 12T 9kW Starter Motor for CAT 583H 583K

Q: What numbers are documented for 3T2781?

Primary Part Number: 3T2781. Catalog Cross-Reference - Verify Configuration: 3872N. Catalog Cross-Reference - Verify Configuration: 0123500. Catalog Cross-Reference - Verify Configuration: 0R5214. Catalog Cross-Reference - Verify Configuration: 10478862. Catalog Cross-Reference - Verify Configuration: 1109497. Catalog Cross-Reference - Verify Configuration: 1109632. Catalog Cross-Reference - Verify Configuration: 1109757. Catalog Cross-Reference - Verify Configuration: 1109779. Catalog Cross-Reference - Verify Configuration: 1109792. Catalog Cross-Reference - Verify Configuration: 1109849. Catalog Cross-Reference - Verify Configuration: 1109949. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 3T2781 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.

3T2781 24V 12T 9kW Starter Motor for CAT 583H 583K, OEM/reference 3T2781, Starter Motor, product view 1

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OEM / reference3T2781

SpecificationStarter Motor

Catalog ID53887000

Product Type: Starter Motor
Product Brand: EexcavaStart
Voltage: 24V 12T 9KW CR
Technical Specification: 24 Volt, CW, 12-Tooth Pinion
Design: DD
Voltage: 24
Rated Power: 9
Rotation: CW
Pinion Teeth: 12
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.

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	Source catalog	3T2781
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3872N
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	0123500
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	0R5214
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	10478862
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1109497
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1109632
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1109757
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1109779
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1109792
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1109849
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1109949
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	142-191
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1990232
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1990240
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1990247
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1993781
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1P9162
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	1P9182
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	201-50207
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	201-50217
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	20409037
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	23500A
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	23517A
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	323-762
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3604645RX
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	374458
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3840
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3862
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3872
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3S4458
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3T3430
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	3T8950
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	410-12062
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	410-12062R
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	410-12508
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	50-106
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	50MT
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	63158
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	641.009.123
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	641.043.123
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	641.043.123.030
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	73872
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	7N8604
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	8624
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	8S9524
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	8S9542
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	91-01-4062
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	91-01-4062N
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	D2-0325N
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	DS-1058-12
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	OR5214
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	S1241S
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	SDR0146
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	SO-00534R
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	TS-1207
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	TS-1774
Cross-reference (fitment check required)	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	X73872

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

3T2781

Cross-reference (fitment check required)

3872N
0123500
0R5214
10478862
1109497
1109632
1109757
1109779
1109792
1109849
1109949
142-191
1990232
1990240
1990247
1993781
1P9162
1P9182
201-50207
201-50217
20409037
23500A
23517A
323-762
3604645RX
374458
3840
3862
3872
3S4458
3T3430
3T8950
410-12062
410-12062R
410-12508
50-106
50MT
63158
641.009.123
641.043.123
641.043.123.030
73872
7N8604
8624
8S9524
8S9542
91-01-4062
91-01-4062N
D2-0325N
DS-1058-12
OR5214
S1241S
SDR0146
SO-00534R
TS-1207
TS-1774
X73872

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

Starter Motor

Category: Starter Motors
Catalog ID: 53887000
Photo views: 4

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

7 model references

Recorded application: Make: Caterpillar Ag. & Ind. · Model: 583H · Year: 1969-1974 · Engine: D-342 Diesel
Recorded application: Make: Caterpillar Ag. & Ind. · Model: 583K · Year: 1974-1989 · Engine: D-342 Diesel
Recorded application: Make: Caterpillar Ag. & Ind. · Model: 594 · Year: 1974 · Engine: D-353 Diesel
Recorded application: Make: Caterpillar Ag. & Ind. · Model: 594H · Year: 1974-1985 · Engine: D-353 Diesel
Recorded application: Make: Caterpillar Ag. & Ind. · Model: D8K · Year: 1974-1982 · Engine: D-342 Diesel
Recorded application: Make: Caterpillar Ag. & Ind. · Model: D9G · Year: 1969-1974 · Engine:
Recorded application: Make: Caterpillar Ag. & Ind. · Model: D9H · Year: 1974-1982 · Engine: D-353 Diesel

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 3T2781

Which machines use 3T2781?

Recorded compatible model references include Recorded application: Make: Caterpillar Ag. & Ind. · Model: 583H · Year: 1969-1974 · Engine: D-342 Diesel, Recorded application: Make: Caterpillar Ag. & Ind. · Model: 583K · Year: 1974-1989 · Engine: D-342 Diesel, Recorded application: Make: Caterpillar Ag. & Ind. · Model: 594 · Year: 1974 · Engine: D-353 Diesel, Recorded application: Make: Caterpillar Ag. & Ind. · Model: 594H · Year: 1974-1985 · Engine: D-353 Diesel, Recorded application: Make: Caterpillar Ag. & Ind. · Model: D8K · Year: 1974-1982 · Engine: D-342 Diesel, Recorded application: Make: Caterpillar Ag. & Ind. · Model: D9G · Year: 1969-1974 · Engine:, Recorded application: Make: Caterpillar Ag. & Ind. · Model: D9H · Year: 1974-1982 · Engine: D-353 Diesel. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 3T2781?

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 3T2781 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.