[header] How to order heavy equipment parts and supplies [title] Refer to your manual. [step] Note that there are many different types of heavy equipment, and many different manufacturers, but most, if not all, are provided with a basic service manual or owner's manual. Often this is the best place to start. 
[title] Identify the manufacturer and model number and year. [step] Regardless of where you begin looking for parts, you will need to be able to identify the manufacturer, the model year, and the model number.