BOSTON GEAR Speed Reducer: 40:1, 44 RPM, 2 hp Input Max, 2131 in-lb Output Max, Round
The BOSTON GEAR Speed Reducer (SKU 1L857) is a direct-drive right-angle speed reducer with a 40:1 ratio, delivering 44 RPM output and supporting up to 2 hp input and 2131 in-lb output torque. It features a round…
SKU 3G-OTH-139464
Need installation or engineering help?
Ask a question
Product Description
The BOSTON GEAR Speed Reducer (SKU 1L857) is a direct-drive right-angle speed reducer with a 40:1 ratio, delivering 44 RPM output and supporting up to 2 hp input and 2131 in-lb output torque. It features a round configuration and is compatible with 140TC/180C motor frames (MPN F732-40E-B7-G).
Frequently Asked Questions
What is the BOSTON GEAR F732-40E-B7-G speed reducer used for?
The BOSTON GEAR F732-40E-B7-G is a direct-drive right-angle speed reducer used in industrial machinery to reduce motor speed and increase torque. It is commonly applied in conveyors, material handling, packaging equipment, and other power transmission systems requiring a 40:1 reduction ratio and 2131 in-lb output torque.
What are the specifications of the BOSTON GEAR F732-40E-B7-G speed reducer?
The BOSTON GEAR F732-40E-B7-G speed reducer has a 40:1 ratio, 44 RPM output, 2 hp input max, and 2131 in-lb output torque max. It features a round configuration and is compatible with 140TC/180C motor frames. The manufacturer part number is F732-40E-B7-G.
Where to buy the BOSTON GEAR F732-40E-B7-G speed reducer worldwide?
You can source the BOSTON GEAR F732-40E-B7-G speed reducer from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this BOSTON GEAR direct-drive right-angle speed reducer.
How to select the right BOSTON GEAR speed reducer for an application?
To select the right BOSTON GEAR speed reducer, match the input horsepower (max 2 hp), output torque (max 2131 in-lb), and ratio (40:1) to your motor and load requirements. Ensure the motor frame size (140TC/180C) and mounting configuration (round) are compatible. Consult the BOSTON GEAR catalog for application-specific guidance.
Used in
Common applications for BOSTON GEARBOSTON GEAR Products
3G Electric supplies BOSTON GEAR direct-drive right-angle speed reducers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















