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CAT ET4 (478 0235) Diagnostics and Maintenance for Caterpillar Machinery

CAT ET4 (478 0235) Diagnostics and Maintenance for Caterpillar Machinery

Regular price R$ 6.000,00 BRL
Regular price Sale price R$ 6.000,00 BRL
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CAT ET4 (478-0235)

Official Diagnostic and Maintenance Tool for Cat Machinery

The CAT Caterpillar ET diagnostic interface represents the pinnacle of technological innovation in the diagnosis and maintenance of heavy machinery. Designed by the renowned manufacturer Caterpillar, this tool has established itself as an indispensable resource for professionals seeking efficiency, precision and depth in the diagnosis and maintenance processes of heavy equipment.

Developed with a focus on service technicians, maintenance engineers and research and development specialists, CAT ET is synonymous with a complete solution that simplifies and optimizes machine diagnostics. It allows detailed access to Electronic Control Modules (ECMs), facilitating a wide range of critical tasks from a personal computer.

Interaction with the tool is done through an intuitive graphical interface, which makes learning and use accessible, even for those with limited technical knowledge. However, to fully exploit its potential, a solid foundation of technical knowledge in the area of ​​heavy machinery is recommended.

The ability to constantly update, such as the inclusion of version ET v2023A, ensures that the tool remains at the forefront of technology, offering compatibility with the latest operating systems and ensuring fast and efficient communication via USB.

A distinctive feature of CAT ET is its versatility in supporting multiple data networks, including ATA (J1708), J1939, and Caterpillar proprietary networks, expanding its applicability. Advanced functionalities, such as data analysis, adjustment of fault codes and calibrations, are essential to keep equipment operating at maximum capacity.

In short, the CAT Caterpillar ET diagnostic interface is more than a diagnostic tool; it is an investment in the optimization and efficiency of heavy machinery maintenance. By investing in this technical knowledge and using this tool, professionals can ensure that equipment not only works reliably, but also with maximum efficiency, raising the standard of operations and maintenance in the heavy machinery sector.

Interface Features

  • Operational data analysis
  • Fault codes
  • Time adjustment
  • Throttle Calibration
  • Time calibration
  • Hydraulic Flow Matching
  • Controller Repair
  • Update
  • Controller Replacement and Modification
  • EFI Engine Repair
  • Diagnostics and maintenance
  • Advanced functionality including full diagnostics and calibration, real-time monitoring, data graphing, ECM configuration, efficient diagnostic testing and detailed reporting.

List of Compatible Vehicles until 2023


  • Electricity
  • Electricity Generation
  • Marine Energy Systems

Oil and Gas Industrial Machines:

  • Articulated Trucks
  • Asphalt Pavers
  • Backhoe loaders
  • Cold Milling Machines
  • Compactors
  • Track Tractors
  • Drills
  • Excavators
  • Feller Bunchers
  • Forestry Machines
  • Forwarders
  • Harvesters
  • Excavators for Hydraulic Mining
  • Loaders
  • Log Loaders
  • Material Handlers
  • Motor graders
  • Off-Road Trucks
  • Pipe Layers
  • Road Claimants
  • Tractors for Land Preparation
  • Compact Track and Skid Steer Loaders
  • Skidders
  • Telescopic Handlers
  • Underground Hard Rock Loaders
  • Equipment for Underground Longwall
  • Underground Utility Vehicles
  • Room and Pillar
  • Wheel Excavators
  • Wheel Loaders
  • Wheel Tractors for Scarification

This broad compatibility ensures that professionals in diverse fields can utilize the CAT ET 4 to the fullest, ensuring optimal performance and reliability of Caterpillar machines.

Usage Requirements

Notebook : device with at least 3 GB of RAM and 20 GB of HHD, I3, at least 2GHz, USB input.

Software : Windows 7, 8 or 10 pro (64x & 32x bits).

CAT Caterpillar ET Diagnostic Software: In addition to the appropriate hardware, you must install the CAT Caterpillar ET diagnostic software on the notebook. This software is the brains behind the interface, providing the tools and features needed to perform thorough diagnostics and accurate maintenance.

Specialized Training: To maximize the effectiveness of using the Caterpillar ET CAT interface, it is strongly recommended that users complete specialized training. This training aims to provide in-depth knowledge about how the interface works, the software and best practices for equipment diagnosis and maintenance. Training can range from basic fundamentals to advanced techniques, ensuring users are well prepared to handle a wide range of diagnostic scenarios.

Product Specifications

Brand: CAT®

Model: OEM

Condition : New

NP: 478-0235, replaces 317-7485, 538-5051, 171-4401 (CATII) and CDL

Weight: 1.5 kg (Entire kit)

Dimensions (Height x Width x Length): 3 cm x 8 cm x 18 cm

Languages: English, Chinese, Danish, French, German, Italian, Japanese, Portuguese, Russian, Spanish.


Contact us via Email ( or WhatsApp: (12) 9 8121-9124 . We are available from Monday to Friday, from 8am to 6pm. We seek to meet all friends, both in Brazil and abroad, for win-win cooperation. We sincerely hope to establish long-term cooperation with all of you based on mutual benefit and common development.

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