Timacton1 Report post Posted March 15, 2022 I have a 1996 Caterpillar 3126 and a beaver Monterey I’m having intermittent ECM problems I do not have a manufactures tag on the engine and cannot find the serial number I need to find a part number on an ECM for replacement Share this post Link to post Share on other sites
bm02tj Report post Posted March 16, 2022 Visit a Cat dealer and have them plug in and get info you need Share this post Link to post Share on other sites
