Connect compatible diagnostic interfaces to Caterpillar off-highway equipment with this heavy-duty 9-pin to 9-pin diagnostic adapter cable.
Designed for CAT construction, mining, agricultural, and other off-highway equipment, this compact adapter provides the connection needed between compatible communication adapters and CAT machinery equipped with the applicable 9-pin diagnostic port.
It is commonly used when an older CAT communication adapter needs to connect to newer CAT off-highway equipment.
Replacement Part Numbers
Designed as an alternative to:
- CAT 507-1011
- CAT 157-4829
Applications
Suitable for diagnostic and service connections on compatible Caterpillar off-highway equipment, including applications such as:
- Excavators
- Bulldozers / Dozers
- Wheel Loaders
- Motor Graders
- Articulated Trucks
- Mining Equipment
- Construction Equipment
- Agricultural and Industrial CAT Equipment
Features
- 9-pin male/female diagnostic adapter configuration
- Designed for CAT off-highway diagnostic applications
- Allows compatible communication adapters to connect to supported CAT equipment
- Supports diagnostic data communication
- Compact design for easy storage in a diagnostic cable kit
- Heavy-duty connectors designed for shop and field use
- Direct replacement-style adapter for CAT 507-1011 and 157-4829 applications
What This Adapter Does
This adapter converts the applicable CAT 9-pin diagnostic connection so a compatible diagnostic communication interface can communicate with supported Caterpillar equipment.
When used with the proper diagnostic interface and software, technicians can access supported machine and engine systems for functions such as:
- Reading and clearing diagnostic trouble codes
- Viewing live equipment and engine data
- Monitoring sensors and operating parameters
- Troubleshooting electronic systems
- Performing supported service and diagnostic procedures
Important
This listing is for the 9-pin diagnostic adapter cable only.
Diagnostic laptop, communication interface, and diagnostic software are sold separately unless specifically stated otherwise.
Always verify the diagnostic connector and equipment application before ordering.




