If you plan to purchase parts for regular maintenance or service for your Bobcat® equipment or attachment, it’s the easiest way to find part numbers. Learn how parts work on the machine and together. Parts DiagramsAll Machines. Thank you for selecting the Cat ® Medium Hydraulic Excavator. Request a quote for any Heavy Equipment Excavator parts with our Parts Quote Request, or call now to speak to a parts specialist at to get the parts you need at competitive prices Bobcat parts online is your of