Based on the search results, I believe these Kennedy tool boxes would be perfect for a diesel mechanic: The Kennedy 255MM 10" Box Joint Waterpump tool box for R386 is a great compact option that will fit easily into any workshop. The Kennedy TTT445 Tool Box With Totetray for R804 is also a nice compact size with a handy top tray. For a larger mobile option, the Kennedy Mobile Tool Box 550X350X475MM for R3337 has lots of storage space and wheels for easy transport around the workshop. Let me know if you would like any other details on these tool box options or if you see anything else that catches your interest! I'm afraid I don't have pricing for products not in the search results.