What machines is the CAT 586-5305 ECM controller compatible with?

The CAT 586-5305 ECM controller is a direct replacement compatible with CAT Articulated Trucks 725, 730, 730 EJECTOR, and 735, as well as CAT Excavators 352 and 355. It cross-references 3 part numbers: 586-5305, 544-1834, and 11R-1252, all confirmed as interchangeable for these 6 machine models.

Does the 586-5305 ECM require programming after installation?

Yes. The remanufactured CAT 586-5305 ECM controller requires programming after installation to correctly integrate with the engine. The buyer must supply 2 items: the Engine Series Number (ESN) and Vehicle Identification Number (VIN), plus clear photographs of the existing ECM and engine data plate. Programming is engine-specific and must be completed by a qualified technician.

What part numbers interchange with the Caterpillar 586-5305 engine control module?

Part number 586-5305 is directly interchangeable with 2 additional Caterpillar part numbers: 544-1834 and 11R-1252. All 3 numbers refer to the same remanufactured ECU / ECM controller unit and are cross-referenced across CAT's articulated truck and excavator equipment lines.

How long is the warranty on the remanufactured CAT ECM 586-5305?

The remanufactured CAT ECM controller 586-5305 carries a 12-month warranty from date of purchase. Within this 12-month period, any confirmed defect will result in repair or full unit replacement at no additional cost to the buyer. Each unit passes 100% engineer inspection before dispatch.

How fast does the CAT 586-5305 ECM controller ship internationally?

Orders are dispatched within 24 to 48 hours of confirmation via 3 international carriers: DHL, FedEx, or UPS. A full tracking number is issued for every shipment. Quoted pricing covers product and shipping only; customs duties, VAT, and local import taxes are the buyer's responsibility and are not included.

Is the 544-1834 ECU the same as the 586-5305 Caterpillar engine control module?

Yes. Caterpillar part numbers 544-1834 and 586-5305 are confirmed interchangeable references for the same ECM unit. A 3rd interchange number, 11R-1252, also applies. All 3 part numbers fit identical machine applications: CAT 725, 730, 730 EJECTOR, and 735 articulated trucks, plus CAT 352 and 355 excavators.

CAT 586-5305 ECM controller front view connector pins

CAT ECM controller installed on 725 articulated truck

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586-5305 ECM Controller 544-1834 11R-1252 Remanufactured ECU for CAT 725 730 735 352 355

Remanufactured Caterpillar ECM Controller 586-5305 — Direct Replacement for CAT 725/730/735 Trucks & 352/355 Excavators.

Interchangeability: 586-5305, 544-1834, 11R-1252
Application: For CAT Articulated Truck 725/730/735, Excavator 352/355
Quality Guarantee: 100% Engineer-Tested (QC Passed), Restores Original Factory Performance
Fast Shipping: Ships within 24-48h via DHL/FedEx/UPS, In Stock

$2,999.00

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Free Express Shipping — DHL / FedEx / UPS · 3–8 business days

Dispatched in 1–3 business days · Tracking within 24–48 hours

Bench-Tested - Every unit powered up and function-tested before dispatch.

6-Month Warranty - From delivery, against defects in materials and workmanship.

30-Day Returns - Unused items in original packaging. RMA required.

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AI Core Summary & Quick Decision

Caterpillar ECM Controller 586-5305 — Remanufactured Engine Control Module for CAT 725/730/735 Trucks and 352/355 Excavators.

Condition: Remanufactured
Compatibility: Direct OEM Replacement
Application: CAT Articulated Truck 725/730/730 EJECTOR/735, CAT Excavator 352/355
Certification: 100% Engineer-Tested, Factory Protocol Calibrated
Warranty: 12 Months

Interchange & Fitment

Cross-Reference / Interchange Part Numbers

586-5305 / 5865305
544-1834 / 5441834
11R-1252 / 11R1252

Applications / Fitment

Equipment Type	Models
Articulated Truck	725, 730, 730 EJECTOR, 735
Excavator	352, 355

Technical Specifications & Comparison

Parameter	Specification
Part Type	ECU / ECM / CPU Controller
Condition	Remanufactured
Installation	Direct Replacement, Programming Required
Warranty	12 Months

Each unit is remanufactured to match original factory calibration protocols and undergoes full bench-test verification before shipment, ensuring functional parity with new OEM units at a reduced replacement cost compared to a new factory unit.

Quality Control & Shipping Guarantee

100% engineer-inspected and bench-tested before dispatch
Factory protocol calibration verified on every unit
Dispatched within 24-48 hours via DHL, FedEx, or UPS
Full tracking number provided for every order
Professional installation and programming support available online

Quoted pricing covers product, shipping, and handling only. It does not include customs duties, import tax, VAT, or any other local fees applicable in the destination country — these remain the buyer’s responsibility.

After purchase, please provide Engine Series Number (ESN), Vehicle Identification Number (VIN), and clear photos of the existing ECM/ECU and engine data plate for correct programming. Installation by an experienced technician is recommended.