American Lube Equipment 3:1 Stub Oil Pump with 2" ARO Thunder Air Motor LM-2203A-C Twin It is a cast iron

It is a cast iron wheel riding on a steel axle without the ball bearings

P/N 13051T-S4F -

Swivel Inlet: 1/2 in-14 npt (female)

The Alemite 3575 Series of mechanical meters is suitable for indoor or outdoor fluid dispensing applications

Drum and coupler dispenser not included

American Lube Equipment 3:1 Stub Oil Pump with 2" ARO Thunder Air Motor LM-2203A-C Twin It is a cast ironRELIABLE DESIGNThunder pumps feature a patented, ice free air motor contained in a rugged housing that is designed to withstand the harshest working environments. ARO is so confident in this design that it is backed by a 5 year warranty. LUBE FREE AIR MOTORThe air valves and the piston are pre lubricated. Thunder pumps do not require an air line lubricator. NO MECHANICAL ASSISTThunder's patented valve design uses no trip rods, push pins, or springs.