NO MOTOR THESE ARE FURNACE BLOWER ASSEMBLIES, FOR CENTRAL AIR GAS FURNACES. WE WILL HELP YOU WITH TECH SUPPORT AND SIZING TO GET YOU THE RIGHT BLOWER. THESE ARE BLOWER ASSEMBLIES WITH NO MOTOR -YOU PROVIDE THE MOTOR. WE HAVE A WIDE VARIETY OF BLOWER ASSEMBLIES. Just send us a message with your. Intended use for the blower. If you need a specific size, please provide. Width (flat surface to plat surface). Outlet opening width (should be the same as blower width) and length. Blower height and length. AC size and furnace BTU (for gas furnaces). CAGE, AND HOUSING ASSEMBLY NO MOTOR. USED TO REPLACE OR OLD EXISTING FURNACE BLOWER ASSEMBLY, OR USED FOR OTHER VENTILATION PROJECTS. VERY POPULAR FOR USE AS SHOP FANS AND VENTILATOR. I HAVE SEVERAL, YOURS WILL VARY FROM PICTURE. MOST ARE 3 TO 5 TON (AC) SIZE. SIZE TO REPLACE YOUR EXISTING FURNACE ASSEMBLY? CONTACT ME WITH OPENING DIMENSIONS, AND I’LL MATCH AS CLOSE AS POSSIBLE. RUN TESTED AND WORKING GOOD. FOR THOSE LOOKING FOR A BLOWER TO REPLACE YOUR EXISTING GAS FURNACE BLOWER. MATCH THE WIDTH, MATCH THE BLOWER. TYPICALLY, ALL BLOWERS HAVE THE SAME DIMENSIONS, EXCEPT AS THE BLOWER GETS BIGGER, IT GETS WIDER. WIDER, THE OPENING WIDTH GETS WIDER. MOST ALL BLOWERS HAVE AN AIR OPENING THAT IS 7 TO 12 INCHES LONG. BUT THE AIR OPENING WIDTH, WHICH IS THE SAME AS THE BLOWER HOUSING WIDTH, IS ABOUT 8 INCHES IN A 2 TON, 50,000 BTU FURNACE BLOWER, GOES TO 13 -14 INCHES IN A 125,000 BTU, 5 TON BLOWER. THE RADIAL DIMENSIONS GET A BIT LARGER AS THE BLOWER GETS LARGER, TOO.