MARINE TRANSMISSION SHAFT COUPLERS

Standard replacement shaft coupling for  marine transmissions.

ALLISON, ATOMIC FOUR, BORG WARNER, CAPITOL, HURTH, NEWAGE, PARAGON, TWIN DISC, VOLVO PENTA, YANMAR, AND ZF

SKU: COUPLING Categories: ,

Description

Marine Transmission Shaft Couplers by Buck Algonquin.

Available in solid and split style body.

Most are in stock.

Split couplers are cast from ductile iron and precision machine to SAEJ specifications.

All couplers must be fit and faced to the propeller shaft.

FLANGE DIAMETER SHAFT RANGE NUMBER OF BOLTS BOLT SIZE BOLT CIRCLE PILOT OVERALL LENGTH SOLID SPLIT
ALLISON
5-3/4″ 1-1/2″-2″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 4-1/2″ 50MC573
5-3/4″ 1-1/4″-2-1/4″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 5-3/32″ 505751
7-1/4″ 1-1/4″ – 1-3/4″ 6 5/8″ 6″ 3-3/4″ X 1/4″ F 4-3/8″ 50725A
7-1/4″ 2-2-1/2″ 6 5/8″ 6″ 3-3/4″ X 1/4″ F 5-1/2″ 50725B
ATOMIC FOUR
3.410″ 7/8″ – 1-1/8″ 3 3/8″ 2.3/4″ 1-7/8″ X 1/4″ F 2.437 50MC3500
BORG WARNER
4″ 3/4″ X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 2-1/4″ 50MC004
4″ 3/4″ X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 2″ 50401S
4″ 7/8″” X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 3-7/16″ 50400B
5″ 1″-2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 5-5/8″ 50MC005
5″ 1″ – 1-1/2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 3-7/16″ 50500A
5″ 1-1/2″ X 2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 4″ 50500C
5″ 1″- 1-1/2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 2-1/2″ 50500S
5-3/4″ 1-1/2″ – 2″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 4-1/2″ 50MC573
5-3/4″ 1-1/4″ – 2-1/4″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 5-3/32″ 505751
5-3/4″ 2-1/2″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 5-3/32″ 505751
CAPITOL
4-3/4″ 1″ – 1-1/2″ 6 7/16″ 3-7/8″ 2-1/2″ X 3/16″ F 3-1/2″ 50475A
4-3/4″ 1-1/2″ – 2″ 6 7/16″ 3-7/8″ 2-1/2″ X 3/16″ F 4″ 50475B
4-3/4″ 1-1/4″ – 1-1/2″ 6 7/16″ 3-7/8″ 2-1/2″ X 3/16″ F 3-5/8″ 50MC4725
5-3/4″ 1-1/2″ – 2″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 4-1/2″ 50MC573
5-3/4″ 1-1/2″ – 2″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 5-3/32″ 505751
7-1/4″ 1-1/4″ – 1-3/4″ 6 5/8″ 6″ 3-3/4″ X 1/4″ F 4-3/8″ 50725A
7-1/4″ 2″ – 2-1/2″ 6 5/8″ 6″ 3-3/4″ X 1/4″ F 5-1/2″ 50725B
HURTH
4″ 3/4″ X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 2-1/4″ 50MC004
4″ 3/4″ X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 2″ 50401S
4″ 7/8″” X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 3-7/16″ 50400B
5″ 1″-2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 5-5/8″ 50MC005
5″ 1″ – 1-1/2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 3-7/16″ 50500A
5″ 1-1/2″ X 2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 4″ 50500C
5″ 1″- 1-1/2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 2-1/2″ 50500S
NEWAGE
4″ 3/4″ X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 2-1/4″ 50MC004
4″ 3/4″ X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 2″ 50401S
4″ 7/8″” X 1-1/2″ 4 3/8″ 3-1/4″ 2-1/2″ X 3/32″ M 3-7/16″ 50400B
5″ 1″-2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 5-5/8″ 50MC005
5″ 1″ – 1-1/2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 3-7/16″ 50500A
5″ 1-1/2″ X 2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 4″ 50500C
5″ 1″- 1-1/2″ 4 7/16″ 4-1/4″ 2-1/2″ x 3/32″ M 2-1/2″ 50500S
5-3/4″ 1-1/2″ – 2″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 4-1/2″ 50MC573
5-3/4″ 1-1/4″ – 2-1/4″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 5-3/32″ 505751
5-3/4″ 2-1/2″ 6 1/2″ 4-3/4″ 3″ X 1/4″ F 5-3/32″ 505751
7-1/4″ 1-1/4″ – 1-3/4″ 6 5/8″ 6″ 3-3/4″ X 1/4″ F 4-3/8″ 50725A
7-1/4″ 2″ – 2-1/2″ 6 5/8″ 6″ 3-3/4″ X 1/4″ F 5-1/2″ 50725B
PARAGON
4″ 1″ – 1-1/2″ 4 3/8″ 3-1/4″ 2″ X 3/32″ M 3-7/16″ 50400A
4″ 7/8″ – 1-1/4″ 4 3/8″ 3-1/4″ 2″ X 3/32″ M 2″ 50400S
4″ 3/4″ – 1-3/8″ 4 3/8″ 3-1/4″ 2″ X 3/32″ M 2-1/4″ 50MC4020
4″ 1″ – 1-1/2″ 4 3/8″ 3-1/4″ 2-5/8″ X 3-32″ M 3-7/16″ 50400C
4″ 1″ – 1-1/4″ 4 3/8″ 3-1/4″ 2-5/8″ X 3-32″ M 2″ 50402S
4″ 3/4″ – 1-3/8″ 4 3/8″ 3-1/4″ 2-5/8″ X 3-32″ M 2-1/4″ 50MC4026
4-1/2″ 1″ – 1-3/4″ 4 3/8″ 3-3/4″ 2-5/8″ X 3/32″ M 2-5/8″ 50MC4526
5″ 1″ – 1-1/2″ 4 3/8″ 4-1/8″ 2-3/4″ X 3-32″ M 3-7/16″ 50500B
5″ 1″ – 1-1/2″ 4 3/8″ 4-1/8″ 2-3/4″ X 3-32″ M 2-1/2″ 50501S
TWIN DISC
4-3/4″ 1″ – 1-1/2″ 6 7/16″ 3-7/8″ 2-1/2″ X 3/16″ F 3-1/2″ 50475A
4-1/4″ 1-1/2″ – 2″ 6 7/16″ 3-7/8″ 2-1/2″ X 3/16″ F 4″ 50475B
4-3/4″ 1-1/4″ – 1-1/2″ 6 7/16″ 3-7/8″ 2-1/2″ X 3/16″ F 3-5/8″ 50MC4725
5″ 1″ – 1-1/2″ 8 3/8″ 4-1/8″ 2-1/2″ X 3/32″ M 3-7/16″ 50501A
5-3/4″ 1-1/4″ – 2-1/4″ 6 5/8″ 4-3/4″ 3″ X 1/4″ F 5-3/32″ 505752
5-3/4″ 1-1/4″ – 2″ 6 5/8″ 4-3/4″ 3″ X 1/4″ F 4-1/2″ 50MC574
7-1/4″ 1-1/4″ – 1-3/4″ 6 3/4″ 6″ 3-3/4″ X 1/4″ F 4-3/8″ 50726A
7-1/4″ 2″ – 2-1/2″ 6 3/4″ 6″ 3-3/4″ X 1/4″ F 5-1/2″ 50726B
VOLVO PENTA
3.945″ 3/4″ – 1-1/4″ 4 10mm 3.142″ 2.366″ x 3/32″ F 2-17/32″ 50MVP400
YANMAR
4″ 3/4″ – 1-1/4″ 4 10mm 3.070″ 1.966″ X 5-32″ M 2″ 50400YS
4″ 3/4″ – 1-3/8″ 4 10mm 3.070″ 1.966″ X 5-32″ M 2-1/4″ 50MCY004
4-3/4″ 1″ – 1-1/2″ 4 10mm 3.937″ 2.556″ X 1/8″ M 3-7/16″ 50500YS
4-3/4″ 1″ – 1-3/4″ 4 10mm 3.937″ 2.556″ X 1/8″ M 2-3/8″ 50MCY005
ZF
4-3/4″ 1″ – 1-1/2″ 6 12mm 3-7/8″ 2-1/2″ X 3/16″ F 3-1/2″ 50476A
4-3/4″ 1-1/2″ – 2″ 6 12mm 3-7/8″ 2-1/2″ X 3/16″ F 4″ 50476B
4-3/4″ 1-1/4″ – 1-1/2″ 6 12mm 3-7/8″ 2-1/2″ X 3/16″ F 3-5/8″ 50MC4726
5-3/4″ 1-1/2″ – 2″ 6 16mm 4-3/4″ 3″ x  1/4″ F 4-1/2″ 50MC574
5-3/4″ 1-1/4″ – 2-1/4″ 6 5/8″ 4-3/4″ 3″ x  1/4″ F 4-3/16″ 505752

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