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Solid Input Shaft Inline Helical Reducers

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#41493
623B-125
Boston Gear 30223760 623B-125 helical speed reducer with 125:1 ratio. Cast iron housing for general industrial power transmission applications requiring reliable speed reduction.
Brand Boston Gear
Model 623B-125
$3,427.39 Each
Free Shipping orders over $100
#41496
633B-125
Boston Gear 30223763 633B-125 helical speed reducer with 125:1 ratio. Cast iron housing for general industrial drive applications. Single reduction design.
Brand Boston Gear
Model 633B-125
$4,085.56 Each
Free Shipping orders over $100
#41499
643B-125
Boston Gear 30223766 643B-125 helical speed reducer with 125:1 ratio. Cast iron housing for general industrial power transmission applications. Single reduction design.
Brand Boston Gear
Model 643B-125
$7,134.77 Each
Free Shipping orders over $100
#41678
239D-17
Boston Gear 30227459 239D-17 speed reducer is a power transmission component designed for industrial applications. This unit provides reliable speed reduction in a compact cast iron housing. Suitable for general industrial drives requiring durable gear reduction.
Brand Boston Gear
Model 239D-17
$4,277.71 Each
Free Shipping orders over $100
#44279
247D-PH-17-H1
Boston Gear 30238355 247D-PH-17-H1 speed reducer with 17:1 ratio and 2.47" center distance. Features a hollow bore output (H1 configuration) for direct shaft mounting. Cast iron housing designed for general industrial power transmission applications.
Brand Boston Gear
Model 247D-PH-17-H1
$7,389.51 Each
Free Shipping orders over $100
#45327
832B-25K-M1
Boston Gear 30267078 832B-25K-M1 helical speed reducer with 25:1 ratio. This single-stage helical gearbox provides efficient power transmission for industrial applications requiring a compact, right-angle drive solution.
Brand Boston Gear
Model 832B-25K-M1
$1,104.52 Each
Free Shipping orders over $100
#45329
832B-3.3K-M1
Boston Gear 30267080 832B-3.3K-M1 helical speed reducer with 3.3:1 ratio. This compact inline reducer is designed for general industrial power transmission applications requiring reliable speed reduction. The unit weighs 19.1 lb and features a helical gear design for smooth, quiet operation.
Brand Boston Gear
Model 832B-3.3K-M1
$1,104.52 Each
Free Shipping orders over $100
#45337
832B-5.1K-M1
Boston Gear 30267088 832B-5.1K-M1 helical speed reducer with 5.1:1 ratio. This single-stage helical gearbox provides efficient power transmission for industrial drive applications requiring a compact, right-angle configuration. The unit features a cast iron housing for durability and is designed for foot-mount installation.
Brand Boston Gear
Model 832B-5.1K-M1
$1,104.52 Each
Free Shipping orders over $100
#45340
832B-56K-M1
Boston Gear 30267091 832B-56K-M1 helical speed reducer with 56C input flange. Cast iron housing for general industrial drives. Single reduction design.
Brand Boston Gear
Model 832B-56K-M1
$1,104.52 Each
Free Shipping orders over $100
#45346
832B-9.0K-M1
Boston Gear 30267097 832B-9.0K-M1 helical speed reducer with 9.0:1 ratio. This single-stage helical gearbox is designed for general industrial power transmission applications requiring efficient speed reduction. The compact housing supports foot-mount configurations.
Brand Boston Gear
Model 832B-9.0K-M1
$1,104.52 Each
Free Shipping orders over $100
#45385
833B-180K-M1
Boston Gear 30267136 833B-180K-M1 helical speed reducer with 180:1 ratio. This unit features a helical gear design for smooth, quiet operation in industrial power transmission applications. The 833B series housing provides durable cast iron construction.
Brand Boston Gear
Model 833B-180K-M1
$1,474.68 Each
Free Shipping orders over $100
#45419
842B-11K-M1
Boston Gear 30267170 842B-11K-M1 helical speed reducer with 11:1 ratio. Cast iron housing for general industrial power transmission applications.
Brand Boston Gear
Model 842B-11K-M1
$1,239.85 Each
Free Shipping orders over $100
#45429
842B-25K-M1
Boston Gear 30267180 842B-25K-M1 helical speed reducer with 25:1 ratio. This single-stage helical gearbox provides efficient power transmission for industrial applications requiring a compact, right-angle drive solution.
Brand Boston Gear
Model 842B-25K-M1
$1,239.85 Each
Free Shipping orders over $100
#45433
842B-3.9K-M1
Boston Gear 30267184 842B-3.9K-M1 helical speed reducer with 3.9:1 ratio. This unit features a helical gear design for smooth, quiet operation in industrial power transmission applications. The 842B series provides reliable speed reduction for conveyors, material handling, and general machinery drives.
Brand Boston Gear
Model 842B-3.9K-M1
$1,239.85 Each
Free Shipping orders over $100
#45442
842B-56K-M1
Boston Gear 30267193 842B-56K-M1 helical speed reducer with 56C input flange. The 842B series offers efficient right-angle helical gearing for industrial power transmission applications. Cast iron housing provides durability in demanding environments.
Brand Boston Gear
Model 842B-56K-M1
$1,239.85 Each
Free Shipping orders over $100
#45481
842BF-9.0K-M8
Boston Gear 30267232 842BF-9.0K-M8 helical speed reducer with 9.0:1 ratio. This unit features a compact design for general industrial power transmission applications requiring reliable speed reduction.
Brand Boston Gear
Model 842BF-9.0K-M8
$1,497.57 Each
Free Shipping orders over $100
#45485
843B-140K-M1
Boston Gear 30267236 843B-140K-M1 helical speed reducer with 140:1 ratio. This single-stage helical reducer features a compact design for general industrial power transmission applications. The 843B series housing is constructed from cast iron for durability and long service life.
Brand Boston Gear
Model 843B-140K-M1
$1,603.05 Each
Free Shipping orders over $100
#45493
843B-45K-M1
Boston Gear 30267244 843B-45K-M1 helical speed reducer with 45:1 ratio. This unit features a helical gear design for smooth, quiet operation in industrial power transmission applications. The 843B series reducer is built for reliable performance in material handling, packaging, and general machinery drives.
Brand Boston Gear
Model 843B-45K-M1
$1,603.05 Each
Free Shipping orders over $100
#45502
843BF-125K-M8
Boston Gear 30267253 843BF-125K-M8 helical speed reducer with 125:1 ratio. Cast iron housing for general industrial power transmission applications. Designed for reliable speed reduction in conveyor, material handling, and processing equipment.
Brand Boston Gear
Model 843BF-125K-M8
$1,824.94 Each
Free Shipping orders over $100
#45519
862B-1.9K-M1
Boston Gear 30267270 862B-1.9K-M1 helical speed reducer with a 1.9:1 ratio. This unit features a helical gear design for smooth, quiet operation and high efficiency in industrial power transmission applications. The cast iron housing provides durability and rigidity for reliable performance under load.
Brand Boston Gear
Model 862B-1.9K-M1
$1,755.28 Each
Free Shipping orders over $100
#45533
862B-3.3K-M1
Boston Gear 30267285 862B-3.3K-M1 helical speed reducer with a 3.3:1 ratio. This unit features a helical gear design for smooth, quiet operation in industrial power transmission applications. The reducer weighs 48.1 lb and is built for reliable performance in material handling, packaging, and general machinery drives.
Brand Boston Gear
Model 862B-3.3K-M1
$1,755.28 Each
Free Shipping orders over $100
#45539
862B-40K-M1
Boston Gear 30267291 862B-40K-M1 helical speed reducer with 40:1 ratio. This unit features a helical gear design for smooth, quiet operation and high efficiency in industrial power transmission applications. The cast iron housing provides durability and thermal capacity for continuous duty.
Brand Boston Gear
Model 862B-40K-M1
$1,755.28 Each
Free Shipping orders over $100
#45544
862B-56K-M1
Boston Gear 30267296 862B-56K-M1 helical speed reducer with 56C input flange. The 862B series features a cast iron housing for industrial power transmission applications requiring reliable speed reduction.
Brand Boston Gear
Model 862B-56K-M1
$1,755.28 Each
Free Shipping orders over $100
#45569
862BF-32K-M8
Boston Gear 30267321 862BF-32K-M8 helical speed reducer with 32:1 ratio. This unit features a helical gear design for smooth, quiet operation in industrial power transmission applications. The cast iron housing provides durability and rigidity for demanding drive systems.
Brand Boston Gear
Model 862BF-32K-M8
$2,060.78 Each
Free Shipping orders over $100
#45570
862BF-36K-M8
Boston Gear 30267322 862BF-36K-M8 helical speed reducer with 36:1 ratio. Cast iron housing for general industrial power transmission applications.
Brand Boston Gear
Model 862BF-36K-M8
$2,060.78 Each
Free Shipping orders over $100
#45582
862BF-8.0K-M8
Boston Gear 30267335 862BF-8.0K-M8 helical speed reducer with 8:1 ratio. This unit features a helical gear design for smooth, quiet operation and high efficiency in industrial power transmission applications. The reducer is suitable for a variety of material handling and general industrial drives.
Brand Boston Gear
Model 862BF-8.0K-M8
$2,060.78 Each
Free Shipping orders over $100
#45605
863BF-140K-M8
Boston Gear 30267358 863BF-140K-M8 helical speed reducer with 140TC input flange. Cast iron housing for general industrial power transmission applications. Single reduction helical gearing provides efficient torque transmission in material handling, packaging, and conveyor systems.
Brand Boston Gear
Model 863BF-140K-M8
$2,373.22 Each
Free Shipping orders over $100
#45610
863BF-250K-M8
Boston Gear 30267363 863BF-250K-M8 helical speed reducer with 250:1 ratio. Cast iron housing for general industrial power transmission applications.
Brand Boston Gear
Model 863BF-250K-M8
$2,373.22 Each
Free Shipping orders over $100
#45637
872B-3.9K-M1
Boston Gear 30267390 872B-3.9K-M1 helical speed reducer with a 3.9:1 ratio. This unit features a helical gear design for smooth, quiet operation and high efficiency in industrial power transmission applications. The cast iron housing provides durability and thermal capacity for continuous duty.
Brand Boston Gear
Model 872B-3.9K-M1
$2,887.67 Each
Free Shipping orders over $100
#45642
872B-45K-M1
Boston Gear 30267395 872B-45K-M1 helical speed reducer with 45:1 ratio. Cast iron housing for general industrial power transmission applications.
Brand Boston Gear
Model 872B-45K-M1
$2,887.67 Each
Free Shipping orders over $100
#45652
872B-9.0K-M1
Boston Gear 30267405 872B-9.0K-M1 helical speed reducer. This inline helical gearbox is designed for general industrial power transmission applications requiring efficient speed reduction. The 872B series features a cast iron housing for durability and reliable performance in continuous-duty operations.
Brand Boston Gear
Model 872B-9.0K-M1
$2,887.67 Each
Free Shipping orders over $100
#45653
872BF-1.5K-M8
Boston Gear 30267406 872BF-1.5K-M8 helical speed reducer rated for 1.5 HP. The 872BF series features a compact, right-angle helical design suitable for general industrial power transmission applications. Cast iron housing provides durability in demanding environments.
Brand Boston Gear
Model 872BF-1.5K-M8
$1,805.09 Each
Free Shipping orders over $100
#45662
872BF-2.6K-M8
Boston Gear 30267415 872BF-2.6K-M8 helical speed reducer with 2.6:1 ratio. This unit features a helical gear design for smooth, quiet operation in industrial power transmission applications. The reducer is built with a cast iron housing for durability and long service life.
Brand Boston Gear
Model 872BF-2.6K-M8
$1,805.09 Each
Free Shipping orders over $100
#45672
872B-12K-M1
Boston Gear 30267377 872B-12K-M1 helical speed reducer. This inline helical gearbox is designed for general industrial power transmission applications requiring efficient speed reduction. The unit features a cast iron housing for durability and reliable performance in continuous-duty operations.
Brand Boston Gear
Model 872B-12K-M1
$2,887.67 Each
Free Shipping orders over $100
#45679
872BF-56K-M8
Boston Gear 30267432 872BF-56K-M8 helical speed reducer with 56C input flange. Cast iron housing for general industrial power transmission applications. Single reduction helical gearing provides efficient, quiet operation for conveyors, material handling, and packaging machinery.
Brand Boston Gear
Model 872BF-56K-M8
$3,392.16 Each
Free Shipping orders over $100
#45681
872BF-63K-M8
Boston Gear 30267434 872BF-63K-M8 helical speed reducer with 63:1 ratio. Cast iron housing for general industrial power transmission applications.
Brand Boston Gear
Model 872BF-63K-M8
$3,392.16 Each
Free Shipping orders over $100
#45701
873B-71K-M1
Boston Gear 30267454 873B-71K-M1 is a helical speed reducer with a 71:1 ratio. This unit features a cast iron housing and is designed for industrial power transmission applications requiring reliable speed reduction.
Brand Boston Gear
Model 873B-71K-M1
$3,448.89 Each
Free Shipping orders over $100
#45703
873B-90K-M1
Boston Gear 30267456 873B-90K-M1 helical speed reducer with 90:1 ratio. Cast iron housing for general industrial power transmission applications. Single reduction design.
Brand Boston Gear
Model 873B-90K-M1
$3,448.89 Each
Free Shipping orders over $100
#146458
H3C14S00752
Dodge H3C14S00752 right angle helical bevel speed reducer featuring 7.52:1 ratio with 140TC C-face motor input. Quantis RHB series with helical bevel gear train, hollow bore output shaft configuration for direct mounting applications.
Brand Dodge
Model H3C14S00752
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#146471
H3C18S00750
Dodge H3C18S00750 HB382 in-line helical gearmotor featuring 180TC C-face motor mount, 7.5:1 reduction ratio, single-stage design. Cast iron housing with precision-ground AGMA class 11 gears. Premium efficiency up to 98% per stage with factory-filled
Brand Dodge
Model H3C18S00750
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#146480
H3C56S04253
Dodge H3C56S04253 HB383 in-line helical speed reducer, 42.53:1 ratio, single reduction, 56C C-face frame, foot mount configuration. Cast iron housing with precision ground helical gears for belt conveyors, mixers, and general industrial applications.
Brand Dodge
Model H3C56S04253
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#146492
H4C18S01755
Dodge H4C18S01755 HB482 right angle helical bevel reducer featuring 17.55:1 ratio, 180TC C-face motor mount, 1-1/4" solid output shaft. Premium Quantis RHB series with spiral bevel gearing, up to 94% efficiency. Cast iron housing.
Brand Dodge
Model H4C18S01755
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#146502
H4C56S04126
Dodge H4C56S04126 HB482 right angle helical bevel speed reducer with 41.26:1 gear ratio, 56C C-face motor flange, 1-1/4" input shaft diameter. Premium efficiency helical-bevel gear train in cast iron housing.
Brand Dodge
Model H4C56S04126
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#146511
H4C14S01468
Dodge H4C14S01468 HB482 right angle helical-bevel speed reducer with 140TC C-face input flange, 14.68:1 gear ratio, 1-1/4" solid output shaft. Quantis RHB series helical bevel gearbox for industrial applications requiring 90-degree power transmission.
Brand Dodge
Model H4C14S01468
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#146513
H4C14S04138
Dodge H4C14S04138 HB483 right angle helical bevel speed reducer with 140TC C-face motor mounting, 41.38:1 gear ratio, 1-1/4" solid output shaft. Quantis premium efficiency series with spiral bevel gearing, cast iron housing.
Brand Dodge
Model H4C14S04138
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#146524
H6C14S03060
Dodge H6C14S03060 HB682 right angle helical-bevel speed reducer, 30.6:1 ratio, 140TC C-face motor mount, 1-5/8" input shaft. Quantis RHB series premium efficiency helical bevel gearing for right angle applications.
Brand Dodge
Model H6C14S03060
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#146526
H6C14S04206
Dodge H6C14S04206 HB682 in-line helical reducer, 42.06:1 ratio, 140TC C-face motor mounting, 1-5/8" output shaft. Quantis ILH family high-efficiency helical gearing for industrial applications.
Brand Dodge
Model H6C14S04206
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#146528
H6C18S01645
Dodge H6C18S01645 HB682 in-line helical speed reducer, 16.45:1 ratio, 180TC C-face input flange, 1-5/8" solid output shaft. Quantis ILH series premium efficiency helical gearing for conveyor and industrial drives.
Brand Dodge
Model H6C18S01645
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#146529
H6C18S02020
Dodge H6C18S02020 HB682 inline helical gearmotor, 20.20:1 ratio, 180TC C-face frame, 1-5/8" output shaft diameter. Quantis ILH series with precision helical gearing, up to 98% efficient per stage. 145 lbs.
Brand Dodge
Model H6C18S02020
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#146557
H8S16S00487
Dodge H8S16S00487 HB882CN160SEP Quantis RHB right angle helical bevel gear reducer, 4.87:1 ratio, size 88, double reduction, clamp collar input, NEMA frame, 160 frame, solid output shaft 2-1/8" diameter. Cast iron housing.
Brand Dodge
Model H8S16S00487
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#146569
H8S10S05793
Dodge H8S10S05793 HB883 in-line helical speed reducer with 57.93:1 ratio. Size 88 double reduction foot mount configuration. High-efficiency helical gearing with precision-machined cast iron housing. 2-1/8" shaft diameter. Premium industrial drive
Brand Dodge
Model H8S10S05793
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#149167
H10C28S00551
Dodge H10C28S00551 HB1082 inline helical speed reducer with 5.51:1 ratio, 280TC C-face motor flange input, and 2-3/8" solid output shaft. Quantis ILH series design with precision helical gearing for industrial applications requiring compact inline
Brand Dodge
Model H10C28S00551
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#152662
H3C56S03382
Dodge H3C56S03382 HB383 Quantis right angle helical-bevel speed reducer, 33.82:1 ratio, single stage reduction, 56C C-face motor input, foot mount configuration. Cast iron housing with precision spiral bevel and helical gearing.
Brand Dodge
Model H3C56S03382
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#152674
H6C18S01359
Dodge H6C18S01359 HB682 right angle helical bevel reducer featuring 13.59:1 ratio, 180TC C-face motor flange, and 1-5/8" solid output shaft. Precision spiral bevel gearing with up to 94% efficiency for demanding industrial applications.
Brand Dodge
Model H6C18S01359
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#152675
H6C18S00422
Dodge H6C18S00422 HB682 in-line helical speed reducer with 180TC C-face motor flange, 4.22:1 gear ratio, 1-5/8" output shaft diameter. Quantis ILH series double reduction unit with precision ground helical gearing and cast iron housing.
Brand Dodge
Model H6C18S00422
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#780973
H3C56S00875
Dodge H3C56S00875 HB382 56-CC 8.75:1 ratio solid input shaft inline helical speed reducer with 56C C-face motor flange. Single reduction helical gearing for parallel shaft applications. Cast iron housing with precision machined gears.
Brand Dodge
Model H3C56S00875
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#786953
H4C18S01617
Dodge H4C18S01617 HB482 right angle helical bevel reducer with 180TC C-face motor flange. 16.17:1 ratio, 1-1/4" output shaft diameter. Quantis RHB series for industrial applications requiring compact right angle power transmission.
Brand Dodge
Model H4C18S01617
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#2039975
842BF-63-M8
Boston Gear E00280 842BF-63-M8 helical speed reducer. This inline helical gearbox is designed for general industrial power transmission applications requiring efficient speed reduction. The 842BF-63-M8 configuration provides reliable performance in a compact footprint.
Brand Boston Gear
Model 842BF-63-M8
$726.25 Each
Free Shipping orders over $100
#2040010
D00766
Boston Gear D00766 832B-20K-M4 helical speed reducer with 20:1 ratio. This inline helical gearbox features a cast iron housing and is designed for general industrial power transmission applications requiring efficient speed reduction.
Brand Boston Gear
Model D00766
$548.75 Each
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#2040095
842B-25K-M6
Boston Gear 30264756 842B-25K-M6 speed reducer with 25:1 ratio. Cast iron housing for general industrial power transmission applications.
Brand Boston Gear
Model 842B-25K-M6
$718.38 Each
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