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 | ||
1.55, 1.72, 2.09 |
1566 kW (2100 hp) |
1417 kW (1900 hp) |
1234 kW (1655 hp) |
1021 kW (1369 hp) |
950 kW (1274 hp) |
||
2.28, 2.42 |
1145 kW (1535 hp) |
943 kW (1265 hp) |
833 kW (1117 hp) |
||||
2.73 |
1504 kW (2017 hp) |
1330 kW (1784 hp) |
1014 kW (1360 hp) |
835 kW (1120 hp) |
780 kW (1046 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2500 rpm.
C | 316 mm (12.44”) |
S | 184 mm (7.25”) |
F | 653 mm (25.71”) |
L | 340 mm (13.39”) |
R | 340 mm (13.39”) |
A | 10° |
Weight | 580 kg * |
* dry weight, including SAE #0 housing and SAE 460 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.