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 |
1.03, 1.20, 1.33 1.48, 1.57, 1.75 1.96 |
1142 kW (1531 hp) |
974 kW (1306 hp) |
806 kW (1081 hp) |
671 kW (900 hp) |
612 kW (821 hp) |
2.50 |
952 kW (1277 hp) |
895 kW (1200 hp) |
702 kW (941 hp) |
552 kW (740 hp) |
537 kW (720 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2500 rpm.
C | 206 mm (8.12”) |
S | 179 mm (7.04”) |
F | 572 mm (22.52”) |
L | 305 mm (12.01”) |
R | 305 mm (12.01”) |
Weight | 344 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.