CAT Engine Reprogramming Tool

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CAT Engine Reprogramming Tool (ref. 847235)

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CAT Engine Reprogramming Tool for flash programming C1.8, C2.4, C3.8 & C3.3B + Instructions!

General Description:
The Engine Reprogramming Tool (ERt) is a Windows PC-based application to assist with
flashing specific Engine ECUs or Aftertreatment ACUs that do not follow the conventional
Caterpillar ™ Flash File process. The ERt application can flash these specific ECUs and ACUs
when the service tool (Electronic Technician) is not currently capable of flashing these specific
The ERt application expects a specific type of flash file known as a DPK file. The *.DPK file
extension differs from the traditional *.FLS, *.FL2 or *.FL3 file extensions used with the
Electronic Technicians service tool. The ERt application is only meant to flash specific Engine
Classes such as C1.8, C2.4, C3.3B and C3.8, plus an Aftertreatment ACU associated with the
Tier4 Final Engine (C3.8). These Engine Classes are typically installed on SSL, CTL, MTL,
certain Paving Products, CWL or other small construction machine equipment.

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