Multec PD5-7 Post Driver (Tractor 3PL Post Knocker Banger Thumper Rammer). Model: PD5-7 Super Contractor Post Driver. CAT 2 Three point linkage (3PL). Double side shift frame. Triple rear shift frame. The Large Skid feet on each of the independent hydraulic jack legs are great for. Stability in all terrain. Post cap with spikes also …