. Required Excavator Size: 8,000-14,000 lbs. 2022 MONTANA POST DRIVER 750R Auger (Posthole) Attachments Price: USD $6,800.00 Financial Calculator Item Location: Bono, Arkansas 72416 Quantity: 1 Condition: New Year: 2022 Compare Tedder Equipment of Northeast AR Bono, Arkansas 72416 Phone: (870) 362-7057 visit our website Contact Us Brand new & in stock! Page 1 of 1. It weighs 2000 lbs., requiring a lifting-capacity of 2500 pounds or more. All models are low flow 11-18 GPM. We bought the Montana 750R post driver off of Axle. The Montana Post drivers are gentle on post tops. Post rack:Work quickly using the convenient post rack built into the frame of the post driver on the skid steer units. Montanas smallest post driver, the 750R Rancher allows farmers and ranchers to efficiently build their own fences using any skid steer or excavator. Montana Post Driver. Oil Flow (GMP): 11-18 GPM Working Pressure: 2000 PSI The 750 rancher is designed for heavy farm applications. Montana's mid-sized hydraulic post driver is the 1000E model with a working pressure of 2200 PSI delivering 400-800 blows per minute.