We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 10 hp Input Max, 998 in-lb Output Max, Round - Direct-Drive Parallel Speed Reducers
BOSTON GEARDirect-Drive Parallel Speed Reducers

BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 10 hp Input Max, 998 in-lb Output Max, Round

The BOSTON GEAR Speed Reducer (SKU 3G-OTH-143603) is a direct-drive parallel speed reducer with a 2.9:1 ratio, 603 RPM output, 10 hp input max, and 998 in-lb output max. It features a round configuration and is…

SKU 3G-OTH-143603

Also listed as: F872B29KB11M1 · F872B 2 9K B11 M1 · F872B-2-9K-B11-M1

Brand
BOSTON GEAR
Item
Speed Reducer: 2.9:1, 603 RPM, 10 hp Input Max, 998 in-lb Output Max, Round
Category
Direct-Drive Parallel Speed Reducers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
F872B-2.9K-B11-M1
Type
603 RPM, 998 in-lb Output Max, Round, 210TC/250UC
Input Max
10 hp

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BOSTON GEAR Speed Reducer (SKU 3G-OTH-143603) is a direct-drive parallel speed reducer with a 2.9:1 ratio, 603 RPM output, 10 hp input max, and 998 in-lb output max. It features a round configuration and is compatible with 210TC/250UC motor frames (MPN F872B-2.9K-B11-M1).

Frequently Asked Questions

What is the BOSTON GEAR F872B-2.9K-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, pumps, and material handling systems. It handles up to 10 hp input and delivers 998 in-lb output torque at 603 RPM, making it suitable for moderate-duty applications.

What are the specifications of the BOSTON GEAR F872B-2.9K-B11-M1 speed reducer?

The BOSTON GEAR F872B-2.9K-B11-M1 is a direct-drive parallel speed reducer with a 2.9:1 ratio, 603 RPM output, 10 hp input max, and 998 in-lb output max. It has a round configuration and fits 210TC/250UC motor frames. The manufacturer part number is F872B-2.9K-B11-M1.

Where to buy the BOSTON GEAR F872B-2.9K-B11-M1 speed reducer worldwide?

3G Electric supplies the BOSTON GEAR F872B-2.9K-B11-M1 speed reducer worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct BOSTON GEAR speed reducer for a motor?

To select the correct BOSTON GEAR speed reducer, match the motor frame size (e.g., 210TC/250UC) and verify input power (10 hp max), output torque (998 in-lb max), and speed (603 RPM). Ensure the reducer's ratio (2.9:1) meets your application's torque and speed requirements. Consult a BOSTON GEAR catalog for mounting dimensions.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
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)
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)
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max, Round (MPN F872B-5.1K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 10 hp Input Max, 1726 in-lb Output Max, Round (MPN F872B-5.1K-B11-M1)
BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 5 hp Input Max, 508 in-lb Output Max, Round, 180TC/210C (MPN F832B-2.9K-B9-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 2.9:1, 603 RPM, 5 hp Input Max, 508 in-lb Output Max, Round, 180TC/210C (MPN F832B-2.9K-B9-M1)
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 3 hp Input Max, 1006 in-lb Output Max, Round, 180TC/210C (MPN F842B-10K-B9-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 3 hp Input Max, 1006 in-lb Output Max, Round, 180TC/210C (MPN F842B-10K-B9-M1)
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 3 hp Input Max, 531 in-lb Output Max, Round, 180TC/210C (MPN F832B-5.1K-B9-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 5.1:1, 343 RPM, 3 hp Input Max, 531 in-lb Output Max, Round, 180TC/210C (MPN F832B-5.1K-B9-M1)

More from BOSTON GEAR

View all BOSTON GEAR parts
Direct-drive parallel speed reducer with 45:1 ratio, 38 RPM output, 0.75 hp input max, and 1180 in-lb output max. Features a 56C frame and any-angle mounting. Suitable for conveyors, material handling, and packaging equipment
BOSTON GEAR
Direct-drive parallel speed reducer with 45:1 ratio, 38 RPM output, 0.75 hp input max, and 1180 in-lb output max. Features a 56C frame and any-angle mounting. Suitable for conveyors, material handling, and packaging equipment
This direct-drive parallel speed reducer provides a 50:1 reduction ratio, with a maximum input of 0.75 hp and output torque up to 1280 in-lb at 35 RPM. It features a 56C input flange and supports any-angle mounting. Typical applications include conveyors, material handling systems, and packaging equipment where speed reduction and torque multiplication are required
BOSTON GEAR
This direct-drive parallel speed reducer provides a 50:1 reduction ratio, with a maximum input of 0.75 hp and output torque up to 1280 in-lb at 35 RPM. It features a 56C input flange and supports any-angle mounting. Typical applications include conveyors, material handling systems, and packaging equipment where speed reduction and torque multiplication are required
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
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)
BOSTON GEAR
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)
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 7.5 hp Input Max, 2548 in-lb Output Max, Round (MPN F862B-10K-B11-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 10:1, 175 RPM, 7.5 hp Input Max, 2548 in-lb Output Max, Round (MPN F862B-10K-B11-M1)
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
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: 63:1, 27 RPM, 1.5 hp Input Max, 3027 in-lb Output Max, 140TC/180C (MPN F862B-63K-B7-M1)
BOSTON GEAR
BOSTON GEAR Speed Reducer: 63:1, 27 RPM, 1.5 hp Input Max, 3027 in-lb Output Max, 140TC/180C (MPN F862B-63K-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)
BOSTON GEAR
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)