For service classification definitions and important notes refer to the Twin Disc Marine Product Guide or contact Twin Disc directly.
Reduction Ratios | Pleasure Craft | Light Duty | Intermediate Duty | Medium Duty | Continuous Duty |
---|---|---|---|---|---|
:1 | @ 2300 RPM | @ 2300 RPM | @ 2100 RPM | @ 1800 RPM | @ 1800 RPM |
3.28, 3.43, 4.17 |
673 kW (902 hp) |
629 kW (843 hp) |
504 kW (676 hp) |
361 kW (484 hp) |
347 kW (465 hp) |
4.59 |
634 kW (850 hp) |
591 kW (793 hp) |
448 kW (601 hp) |
||
4.86 |
604 KW (810 hp) |
565 KW (758 hp) |
429 KW (575 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3000 rpm.
C | 277 mm (10.90”) |
S | 250 mm (9.85”) |
F | 483 mm (19.00”) |
L | 286 mm (11.25”) |
R | 286 mm (11.25”) |
Weight | 394 kg * |
* dry weight, including SAE #1 housing and SAE 355 flexible coupling
Specifications subject to change without prior notice in the interest of continual product improvement. Contact your local Twin Disc representative for engineering specifications, Survey Society Approvals and Classifications.