In addition to getting email alerts about Cat platforms you use, you can check this drawer of the tool box for the latest information on PartStore and

SIS Web Oct 31, 2017 SIS Web Outage: RESOLVED

Resolved: Caterpillar reports all systems are functioning normally

SIS Web Outage

Please be aware, users of Service Information Systems (SIS) Web may be experiencing periods of performance degradation or application/technology unavailability. Support analysts are involved and working on the situation. A final alert will be sent when the issue is resolved. 

We recommend completing a browser refresh

PartStore Oct 10, 2017 Store Closures

Attention Santa Rosa, Willits and Fortuna Customers:

Wildfires in the area are preventing parts deliveries to Santa Rosa, Willits, and Fortuna stores and dropboxes.

PartStore Jun 19, 2017 SIS Web - Need to Refresh

Loss of SIS access in PartStore for Techs - Refresh needed after accepting privacy agreement
Issue this morning with the  losing access to the Order Parts button, Price & Availability after accepting the Cat privacy agreements.
SIS Web Customers please refresh or log out and log back in to get the Order Parts button to reappear. Jun 8, 2017 Caterpillar Outage: RESOLVED

Resolved: Caterpillar reports all systems are functioning normally

Caterpillar is experiencing issues with multiple websites.

This is effecting the customers ability to log in and use the systems.

They may be seeing "invalid user id / password" errors.

Caterpillar is aware and working on the issues. This alert will be updated when we recieve an ETA or the issues are resolved.

PartStore Mar 17, 2017 Planned System Maintenance

The Peterson business system will be down March 18 and 19 for maintenance. We will be unable to receive any online orders during this time.

The system should be restored at approximately 8am on March 20.

PartStore Mar 13, 2017 Goes Live March 23, 2017

The day is finally here, it’s time to start using to place your online parts orders.

Caterpillar has made vast improvements to the new website to improve efficiency, and added familiar features to make parts of the ordering process similar to PartStore.

Please take a moment to login to the new site before Mach 23, take a look around, and call us with any questions. Our goal is to support your online ordering and we aim to make this transition as seamless as possible.

Here are some recommendations to help you transition to

  1. Save the home page of this website as your new favorite to login to
  2. Log in to and set your default shipping preferences
  3. View a pdf showing where to set your shipping preferences
  4. Become familiar with how to use the new website by watching 'How to' videos
  5. View all how to videos for