Available from MK Martin is the Power Pack that giving your tractor with more hydraulic power to get the job done. Available in both a standard model, and a cooling model, there's a MK Martin Power Pack that's right for you. The power pack holds up to 30 gallons and runs 2500 PSI at 30 gallons per minute. Minimum horse power requirement is 40. Models SBLMPPCS-30 Recommended HP 40-60HP Capacity (gallons) 30 Flow Rate (PSI) 30 GPM/2500 PSI Mount 3PH Weight 575 LBS. Height 48" Width 39" Depth 32" Max Operating Temp. 30° C Max Operating Time (hours) Full Duty Cycle Cooling System Included Yes