Flat base and clevis pin adapter allows mounting on virtually all 2-Ton engine cranes Machined and polished cylinders provide non-abrasive, leak-free, durable performance Hydraulic system is protected from internal damage by built-in by-pass mechanism Capacity (Ton): 8 Minimum Height: 24-1/16" Maximum Height: 43-11/16" Base Size: 4-3/4" x 4-3/4" Ram Piston Hole Diameter: 5/8" Shipping Weight: 33 lbs.