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 |
1.00, 1.10, 1.28 1.48, 1.73, 2.04 1.96 |
895 kW (1200 hp) |
746 kW (1000 hp) |
560 kW (751 hp) |
485 kW (650 hp) |
445 kW (597 hp) |
2.57 |
847 kW (1136 hp) |
716 kW (960 hp) |
|||
2.90 |
746 kW (1000 hp) |
671 kW (900 hp) |
522 kW (700 hp) |
448 kW (601 hp) |
408 kW (547 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2800 rpm.
C | 200 mm (7.87”) |
S | 190 mm (7.47”) |
F | 572 mm (22.52”) |
L | 305 mm (12.01”) |
R | 305 mm (12.01”) |
Weight | 294 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.