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Case 621 Wheel Loader – Wiring Schematics

acolar ยท 2025-12-21 16:07

Anyone have access or know where I can purchase the wiring schematics for an early 1990's Case 621 (Ser# JAK0020131) Trying to diagnose issues with no forward motion - searching for wiring schematics between steering column F-N-R lever and transmission controls. Thanks Tony

Replies2
  1. #1acolar2025-12-21 17:03

    Found a manual set on ebay just ordered.

  2. #2steve wherley2025-12-23 09:59

    621 a model has Clark trans The trans controller known for switch's braking in it ,they are cam operated and can be replaced . believe I stock them