Marathon B305 Motor 318172-701 provided the timing ranges and

provided the timing ranges and voltage ratings match the original equipment specifications

it allows technicians to upgrade system filtration efficiency without extensive cabinet modification

it utilizes sleeve bearings for quiet operation and a shell-band mount for standard housing integration

these parts are identical in performance and technical specifications

Marathon B305 Motor 318172-701 provided the timing ranges andThe Marathon B305 is a high performance 1 3 HP belt drive blower motor designed for continuous duty in demanding HVACR applications. Operating on 115Vac single phase power, this 48Y frame motor delivers a reliable 1725 1800 RPM (4 pole) output with a robust 1. 35 service factor, allowing for occasional peak loads without compromising long term durability. This model features a split phase design optimized for residential and commercial furnace blower