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BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max - Direct-Drive Parallel Speed Reducers
BOSTON GEARDirect-Drive Parallel Speed Reducers

BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max

The BOSTON GEAR Speed Reducer is a direct-drive parallel speed reducer with a 5.1:1 ratio, 343 RPM, 10 hp input max, and 1726 in-lb output max. It features a round configuration and is identified by MPN…

SKU 3G-OTH-143616

Also listed as: F872B51KB11M1 · F872B 5 1K B11 M1 · F872B-5-1K-B11-M1

Brand
BOSTON GEAR
Item
Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max
Category
Direct-Drive Parallel Speed Reducers
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
F872B-5.1K-B11-M1
Type
343 RPM, 1726 in-lb Output Max, Round
Input Max
10 hp

Technical Documents

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BOSTON GEAR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTON GEAR Speed Reducer is a direct-drive parallel speed reducer with a 5.1:1 ratio, 343 RPM, 10 hp input max, and 1726 in-lb output max. It features a round configuration and is identified by MPN F872B-5.1K-B11-M1 with frame size 210TC/250UC.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BOSTON GEAR F872B-5.1K-B11-M1 speed reducer used for?

This BOSTON GEAR direct-drive parallel speed reducer is used to reduce motor speed and increase torque in industrial machinery such as conveyors, mixers, and material handling systems. It handles up to 10 hp input and delivers 1726 in-lb output torque at 343 RPM.

What are the specifications of the BOSTON GEAR F872B-5.1K-B11-M1?

The BOSTON GEAR speed reducer has a 5.1:1 ratio, 343 RPM output, 10 hp input max, and 1726 in-lb output max. It uses a round configuration with frame size 210TC/250UC. The manufacturer part number is F872B-5.1K-B11-M1.

Where to buy the BOSTON GEAR F872B-5.1K-B11-M1 worldwide?

3G Electric supplies the BOSTON GEAR F872B-5.1K-B11-M1 speed reducer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this direct-drive parallel reducer.

How to select the right BOSTON GEAR speed reducer for an application?

To select the correct BOSTON GEAR speed reducer, match the input horsepower (10 hp max for this model), desired output speed (343 RPM), and required torque (1726 in-lb max). Verify the frame size (210TC/250UC) fits your motor and mounting configuration.

Used in

Common applications for BOSTON GEAR
Material handling conveyors — Boston Gear worm gear speed reducers for belt drives
Packaging machinery — Boston Gear helical gear reducers for precise indexing
Food processing equipment — Boston Gear stainless steel speed reducers for washdown environments
Industrial pump drives — Boston Gear clamp collars for shaft coupling alignment
Mixer and agitator systems — Boston Gear oil-impregnated spider inserts for torque transmission
Automated assembly lines — Boston Gear mounting bases for horizontal reducer installation

BOSTON GEAR Products

3G Electric supplies BOSTON GEAR direct-drive parallel speed reducers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1742 in-lb Output Max, Round (MPN F862B-5.1K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1742 in-lb Output Max, Round (MPN F862B-5.1K-B11-M1)
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 10 hp Input Max, 3278 in-lb Output Max, Round, 210TC/250UC (MPN F872B-10K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 10 hp Input Max, 3278 in-lb Output Max, Round, 210TC/250UC (MPN F872B-10K-B11-M1)
This direct-drive parallel speed reducer provides a 2.9:1 reduction ratio, reducing input speed to 603 RPM at the output while increasing torque to 998 in-lb maximum. It accepts up to 10 hp input and features a round configuration compatible with 210TC/250UC motor frames. Typical applications include conveyors, pumps, and material handling systems requiring moderate torque multiplication
BOSTON GEAR
This direct-drive parallel speed reducer provides a 2.9:1 reduction ratio, reducing input speed to 603 RPM at the output while increasing torque to 998 in-lb maximum. It accepts up to 10 hp input and features a round configuration compatible with 210TC/250UC motor frames. Typical applications include conveyors, pumps, and material handling systems requiring moderate torque multiplication
BOSTON GEAR Speed Reducer: 14:1, 125 RPM, 10 hp Input Max, 4870 in-lb Output Max, Round, 210TC/250UC (MPN F872B-14K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 14:1, 125 RPM, 10 hp Input Max, 4870 in-lb Output Max, Round, 210TC/250UC (MPN F872B-14K-B11-M1)
This direct-drive parallel speed reducer reduces motor speed and increases torque for industrial machinery such as conveyors, mixers, and packaging equipment. It accepts up to 5 hp input and delivers 840 in-lb output torque at 343 RPM. The round design fits 180TC/210C motor frames
BOSTON GEAR
This direct-drive parallel speed reducer reduces motor speed and increases torque for industrial machinery such as conveyors, mixers, and packaging equipment. It accepts up to 5 hp input and delivers 840 in-lb output torque at 343 RPM. The round design fits 180TC/210C motor frames
This direct-drive parallel speed reducer reduces motor speed and increases torque for industrial machinery. It accepts up to 3 hp input and delivers 531 in-lb output torque at 343 RPM. The round housing features a 180TC/210C input flange. Typical applications include conveyors, pumps, and material handling systems
BOSTON GEAR
This direct-drive parallel speed reducer reduces motor speed and increases torque for industrial machinery. It accepts up to 3 hp input and delivers 531 in-lb output torque at 343 RPM. The round housing features a 180TC/210C input flange. Typical applications include conveyors, pumps, and material handling systems

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BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 10 hp Input Max, 972 in-lb Output Max, Round, 210TC/250UC (MPN F862B-2.9K-B11-M1)
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BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 10 hp Input Max, 972 in-lb Output Max, Round, 210TC/250UC (MPN F862B-2.9K-B11-M1)
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 1.5 hp Input Max, 524 in-lb Output Max, 140TC/180C (MPN F832B-10K-B7-M1)
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BOSTON GEAR Speed Reducer: 14:1, 125 RPM, 2 hp Input Max, 988 in-lb Output Max, Round, 140TC/180C (MPN F842B-14K-B7-M1)
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BOSTON GEAR Speed Reducer: 14:1, 125 RPM, 2 hp Input Max, 988 in-lb Output Max, Round, 140TC/180C (MPN F842B-14K-B7-M1)
BOSTON GEAR Speed Reducer: 28:1, 62 RPM, 0.5 hp Input Max, 491 in-lb Output Max, 56C, Any Angle (MPN F832B-28K-B5-M1)
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BOSTON GEAR Speed Reducer: 28:1, 62 RPM, 0.5 hp Input Max, 491 in-lb Output Max, 56C, Any Angle (MPN F832B-28K-B5-M1)
Direct-drive parallel speed reducer with 63:1 ratio, delivering 27 RPM output. Accepts 1.5 hp maximum input and provides 3027 in-lb maximum output torque. Fits 140TC/180C motor frame. Used in industrial machinery, conveyors, and material handling systems to reduce motor speed and increase torque
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Direct-drive parallel speed reducer with 63:1 ratio, delivering 27 RPM output. Accepts 1.5 hp maximum input and provides 3027 in-lb maximum output torque. Fits 140TC/180C motor frame. Used in industrial machinery, conveyors, and material handling systems to reduce motor speed and increase torque
BOSTON GEAR Speed Reducer: 28:1, 62 RPM, 1 hp Input Max, 994 in-lb Output Max, 56C, Any Angle (MPN F842B-28K-B5-M1)
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BOSTON GEAR Speed Reducer: 28:1, 62 RPM, 1 hp Input Max, 994 in-lb Output Max, 56C, Any Angle (MPN F842B-28K-B5-M1)
BOSTON GEAR Speed Reducer: 18:1, 97 RPM, 2 hp Input Max, 1192 in-lb Output Max, 140TC/180C (MPN F842B-18K-B7-M1)
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BOSTON GEAR Speed Reducer: 18:1, 97 RPM, 2 hp Input Max, 1192 in-lb Output Max, 140TC/180C (MPN F842B-18K-B7-M1)