You are bidding a NEW Thomas Ait Motor, Model: RA-150-4FR. This is a brand new motor in the box and it is fully guaranteed. 1.5 HP 3000 Max. RPMs Face Mount Reversible Exhaust muffler is shipped with the motor and can be mounted directly or at a remote location. The Thomas Rotary Air Motor is a vane type motor, precision built to exacting specifications. The rotor/shaft assembly is mounted eccentrically in the cylinder with a top seT (distance betwen cylinder wall and rotor) of face and both end plates is also maintained between .001 and .002 inches. The sliding vanes self adjust for wear, and will last 6,000 to 15,000 hours. Shipping and handling is $14.90 within the Continental USA. Additional prep fees may apply.