Boston Gear WA721B-300-G Double Reduction Worm Gear Reducer

Description:

The Boston Gear WA721B-300-G 300:1 Double Reduction Gear Reducer is used in industrial power transmission systems to provide extremely high torque multiplication with very low output speed in mechanical drive applications. It is part of the Boston 700 Series double reduction worm gear reducer line, designed for compact high-ratio speed reduction in demanding industrial environments. Commonly installed in conveyors, material handling systems, packaging machinery, and processing equipment where very low output RPM and high torque output are required. Maintenance teams, OEM manufacturers, and system integrators use this part for replacement of worn gearboxes, retrofit of legacy drive systems, and restoration of high-ratio mechanical power transmission.

Applications:

The Boston WA721B-300-G is used in industrial mechanical drive systems to reduce motor speed by a 300:1 ratio, producing very low-speed, high-torque output for controlled motion applications. It is commonly applied in conveyor systems, rotating machinery, mixers, packaging equipment, and bulk material handling systems where precise low-speed operation is required.

Technical Specifications:

• Manufacturer: Boston Gear
• Model / Part number: WA721B-300-G
• Product type: Double reduction worm gear speed reducer
• Series: 700 Series
• Ratio: 300:1
• Input horsepower: 0.20 HP (maximum rated input capacity)
• Output speed: ~5.8 RPM at 1750 RPM input
• Gear type: Double reduction worm gear system
• Housing material: Cast iron industrial housing
• Lubrication: Oil bath lubrication system
• Output type: Solid shaft output (configuration dependent)
• Input type: Quill or shaft-mounted input (series dependent)
• Mounting: Base-mounted industrial gearbox
• Application environment: Industrial power transmission and material handling systems

Common Replacements:

• Boston Gear FWA721-300-B5-G double reduction worm reducer equivalent
• Dodge Torque-Arm II 300:1 shaft-mounted worm gearbox equivalent
• Browning 700 Series 300:1 worm gear speed reducer equivalent