Blower Motor - Heavy Duty EARLY serial numberOEM part numbers 274653, 9807217, 86626709 Item Information Replaces Bushing Style Motor with New HD Bearing Style Motor With 48" Wire Leads Wire Identification: Orange = High Speed, Yellow = Medium Speed, Red = Low Speed, Black = Ground Additional Information 3 8" Double Shaft 4 Wire Ball Bearing Motor, Serial Number 566087 and Below Specifications TYPE Double Shaft, 3 Speed SHAFT SIZE 3 8" SHAFT LENGTH 4 1 4" MOTOR DIAMETER 3 1 2" MOTOR LENGTH 4 1