Porto-Power by Blackhawk Automotive Air Operated Foot Pumps
Air Operated Foot Pumps
Blackhawk-Porto Power air operated foot pumps are industrial grade 10,000 psi treadle pumps with all aluminum reservoirs at a great price.  They are a direct replacement for the pumps on many frame machines, engine cranes, and shop presses and come in a variety of reservoir capacities to work for almost any application.
Air Operated Foot Pumps Spec Sheet
Entire Porto-Power by Blackhawk Automotive Catalog
Items:

B65426
10,000 PSI - 36.6 cu in Capacity

B65425
10,000 PSI - 91.5 cu in Capacity

B65427
10,000 PSI - 122 cu in Capacity

B65438
10,000 psi - 231 cu in Capacity