Available in feed rate sizes from 50 to 75lbs. of coal per hour, the Hopper Model Stokers feature an easy to install Windbox type burner. The smaller capacity hopper is built with a heavy steel base for long life. A single motor drives both the gear transmission and blower fan.FeaturesContinuous Gear Driven Transmission Rugged in construction, extremely simple in design and operation - has been tried and proven over a period of many years. All light commercial models are furnished with this standard transmission, single end shaft motors and 3-speed pulleys for easy coal-feed adjustments. Gears are made of special alloy. Shear pin for positive protection of all parts.Heavy Duty Screw Conveyor The conveyor screw is made of high carbon steel, making it highly resistant to abrasion and wear.Sectional Tuyeres Tuyeres in all burner heads are built in sections to allow for expansion and contractionHeavy Duty Motor Thoroughly tested and proven by engineers for high starting power and extra years of trouble free performance. No radio or television interference.Extended Windbox Makes it easy to clean out siftings underneath the tuyeres.