Home \ Products \ Hydraulic Post Driver \ Mini Excavator Post Driver Mini Excavator Post Driver The Premier Attachment Post Driver line has two models that will work with today’s Mini Excavators. The PD500 and PD750 are specifically designed to work with the hydraulic systems of these versatile machines. Specifications: PD500 Energy Class: 500 ft/lb GPM: 10-16 Driving Cup Diameter: 6” Minimum Machine Operating Capacity: 500 lbs. Base Model Weight w/Mini-Skid Steer Mount: 400 lbs. Required Mini Excavator Operating Weight: 5,000 – 13,000 lbs. Shaft Diameter: 2” Compatible with: Mini-Skid Steer, Bobcat MT, Mini Excavator PD750 Energy Class: 750 ft/lb GPM: 12-20 Driving Cup Diameter: 8” Minimum Machine Operating Capacity: 1,400 lbs Base Model Weight w/Universal Skid Steer Mount: 1,200 lbs. Required Excavator Operating Weight: 7,500 – 15,000 lbs. Shaft Diameter: 2-3/4” Compatible with: Skid Steers, Compact Track Loaders, Backhoes, Excavators For more information please call our Customer Service Department at 1-866-458-0008 or Find a Dealer near you. See our 2021 Premier Attachments Catalog.