ECM Controllers & Monitors

586-5305 Electronic Control Group for Cat 352 355 725 730 735

Q: What numbers are documented for 586-5305?

Primary Cat Part Number: 586-5305. Same-number Formatting Variant: 5865305. Manufacturer-listed Reman Alternative: 11R-1252. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 586-5305 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.

586-5305 Electronic Control Group for Cat 352 355 725 730 735, OEM/reference 586-5305, Electronic Control Group / ECM, product view 1

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OEM / reference586-5305

SpecificationElectronic Control Group / ECM

Catalog ID53589561

Electronic control group identified by official Cat part number 586-5305. The official compatible-model record lists 352 and 355 excavators plus 725, 730, 730 Ejector and 735 articulated trucks. Cat also lists 11R-1252 as the remanufactured ECM alternative. Three selected exact owned photographs show the same control module and connector housings.

Product Type: Electronic Control Group / ECM
Module Family: A6E4 machine module (from manufacturer-listed reman alternative)
Condition: New replacement component

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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 Cat Part Number	Official electronic-control-group identity	586-5305
Same-number Formatting Variant	Search alias only	5865305
Manufacturer-listed Reman Alternative	Cat Reman ECM New With Core (A6E4 machine module)	11R-1252

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

586-5305

Manufacturer number

11R-1252

Formatting alias

5865305

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

Product summary

Electronic Control Group / ECM

Category: ECM Controllers & Monitors
Catalog ID: 53589561
Photo views: 3

Before ordering

Confirm these details

Match the complete part number on the original component label.
Compare the front layout and visible configuration with the product photos.
Compare connector count, connector shape and keying before installation.
Confirm the exact machine model and serial range before ordering.

Machine fitment

Compatible model references

3 model references

Official Cat Excavators: 352 / 355
Official Cat Articulated Trucks: 725 / 730 / 730 Ejector / 735
Fitment limitation: Confirm 586-5305, software/calibration, connector keying, machine serial and configuration 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 586-5305

Which machines use 586-5305?

Recorded compatible model references include Official Cat Excavators: 352 / 355, Official Cat Articulated Trucks: 725 / 730 / 730 Ejector / 735, Fitment limitation: Confirm 586-5305, software/calibration, connector keying, machine serial and configuration before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 586-5305?

Manufacturer number: 11R-1252. Formatting aliases for the same number: 5865305.

How do I confirm 586-5305 before ordering?

Match the complete part number on the original component label. Compare the front layout and visible configuration with the product photos. Compare connector count, connector shape and keying before installation. 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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