Inboard Shafts

Inboard Shafts

General Propeller Company is one of the leading boat shaft manufacturers in the US. We are an OEM supplier to numerous boat builders, including Sea Ray, Regal, Hunter, Correct Craft - Nautique, Bertram, Wellcraft, Catalina, Sea Force IX, ………...

As a major boat shafting distributor, we will have the material you need in stock from ¾” to 4” diameter.  All machining is performed “in house” on C-N-C turning centers to exacting tolerances and every shaft is inspected for straightness, diameter and out-of-round tolerances per ABYC standards. Shafts provided with couplings are fully assembled and checked for coupling fit and run-out.

 Inboard Shaft Quote Form  - Please fill out for current pricing

Fast Delivery!

Most shafts ready to ship in 24 - 48 hours

  

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Taper Coupling 50TC476138 Discontinued

Taper Coupling 50TC476138

Taper Coupling - Flange 4.75" | Bore 1.375" | F-Pilot Dia 2.50" | 6 Bolt - 12mm Dia | Bolt Cir 3.87..

50TC476138

$0.00

Coupling Bolt Set BOLTSET474 Discontinued

Coupling Bolt Set BOLTSET474

Bolt Size: 7/16" - 20 x 1-1/4" | Package Quantity: 6Cancer and Reproductive Harm -   P65Warning..

BOLTSET474

$0.00

Coupling Pinch Bolt Set PINCH625

Bolt Size: 5/8" - 18 x 3" Cancer and Reproductive Harm -   P65Warnings..

PINCH625

$16.77 $11.74

Nylon Bore Reducer NB05

Nylon Bore Reducer NB05 1-1/8 to 1" ..

NB05

$35.00 $31.50

Prop Tight 1.75" Shaft Locking Nut Set CS175

Shaft Size: 1.75" | Lock Nut & Jam Nut Thread Size: 1-1/4" - 7 | Cotter Pin: 3/16"# of Slots - 1..

CS175

$238.33 $214.50

Propeller Shaft Nut Kit PSK125

Shaft Size: 1.25" | Full & Jam Nut Thread Size: 7/8" - 9 | Keystock 5/16" | Cotte..

PSK125

$46.09 $32.26

R&D Split Coupling 202-316

5" Yanmar  Split Hub Coupling - Flange(a) -  4.72", Bolt Circle(b) - 3.94", # of Holes(..

202-316

$515.00 $412.00

Reverse Taper Coupling 50TC573175 Discontinued

Reverse Taper Coupling 50TC573175

Reverse Taper Coupling - Flange 5.75" | Bore 1.75" | F-Pilot Dia 3.0" | 6 Bolt - .50" Dia | Bolt Ci..

50TC573175

$0.00

Solid Coupling 50MVP40075

Solid Hub Coupling - Flange 3.945" | Bore 0.75" | F-Pilot Dia 2.366" | 4 Bolt - 10mm ..

50MVP40075

$141.63 $99.14

Split Coupling 50400A1500 Discontinued

Split Coupling 50400A1500

Split Hub Coupling - Flange 4" | Bore 1.50" | M-Pilot Dia 2" | 4 Bolt - .375" Dia | Bolt Cir 3.25" ..

50400A1500

$0.00

Taper Coupling 50TC476150 Discontinued

Taper Coupling 50TC476150

Taper Coupling - Flange 4.75" | Bore 1.5" | F-Pilot Dia 2.50" | 6 Bolt - 12mm Dia | Bolt Cir 3.875"..

50TC476150

$0.00

Coupling Bolt Set BOLTSET475 Discontinued

Coupling Bolt Set BOLTSET475

Bolt Size: 7/16" - 20 x 1-1/2" | Package Quantity: 6Cancer and Reproductive Harm -   P65Warning..

BOLTSET475

$0.00

Coupling Pinch Bolt Set PINCH750 Discontinued

Coupling Pinch Bolt Set PINCH750

Bolt Size: 3/4" - 16 x 4-1/2" Cancer and Reproductive Harm -   P65Warnings..

PINCH750

$0.00

Nylon Bore Reducer NB06

Nylon Bore Reducer NB06 1-1/4" to 1" ..

NB06

$36.00 $32.40

Prop Tight 1.75" Shaft Locking Nut LN175

Shaft Size: 1.75" | Lock Nut Thread Size: 1-1/4" - 7 # of Slots - 12Naval Brass Download/View ..

LN175

$160.00 $144.00

Propeller Shaft Nut Kit PSK138

Shaft Size: 1.375" | Full & Jam Nut Thread Size: 1" - 8 | Keystock 5/16" | Cotter..

PSK138

$62.69 $43.88

R&D Split Coupling 202-313

4.75" Flange ZF, IRM 220, MG502 Split Hub Coupling - Flange(a) -  5.00", Bolt Circle(b) - 3...

202-313

$735.00 $588.00

Solid Coupling 50MVP40087

Solid Hub Coupling - Flange 3.945" | Bore 0.875" | F-Pilot Dia 2.366" | 4 Bolt - 10mm..

50MVP40087

$141.63 $99.14

Split Coupling 50400B0875

Split Hub Coupling - Flange 4" | Bore 0.875" | M-Pilot Dia 2.5" | 4 Bolt - .375" Dia | Bolt Cir 3.2..

50400B0875

$198.31 $138.82

Taper Coupling 50TC476175

Taper Coupling - Flange 4.75" | Bore 1.75" | F-Pilot Dia 2.50" | 6 Bolt - 12mm Dia | Bolt Cir 3.875..

50TC476175

$354.70 $248.29