Home \ Products \ Hydraulic Post Driver \ Excavator Post Driver Excavator Post Driver Premier Attachments makes three models that will work with Excavators depending upon their hydraulic capacity. The PD750, PD1000, and PD1500 are designed to work with the specifications of these powerful machines. Specifications: 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 PD1000 Energy Class: 1,000 ft/lb GPM: 15-25 Driving Cup Diameter: 9” Minimum Machine Operating Capacity: 1,800 lbs Base Model Weight w/Universal Skid Steer Mount: 1,350 lbs. Required Excavator Operating Weight: 9,900 – 18,000 lbs. Shaft Diameter: 3” Compatible with: Skid Steers, Compact Track Loaders, Backhoes, Excavators PD1500 Energy Class: 1,500 ft/lb GPM: 19-29 Driving Cup Diameter: 10” Minimum Machine Operating Capacity: 2,500 lbs Base Model Weight w/Universal Skid Steer Mount: 1,750 lbs. Required Excavator Operating Weight: 15,000 – 25,000 lbs. Shaft Diameter: 3-5/16” 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 Premier Attachments Catalog.