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 | ||
1.34, 1.51, 1.74 2.03, 2.24 |
1418 kW (1902 hp) |
1301 kW (1745 hp) |
992 kW (1330 hp) |
820 kW (1100 hp) |
767 kW (1029 hp) |
||
2.48 |
1343 kW (1801 hp) |
1195 kW (1602 hp) |
937 kW (1257 hp) |
772 kW (1035 hp) |
728 kW (976 hp) |
||
2.80 |
1156 kW (1550 hp) |
1144 kW (1534 hp) |
908 kW (1218 hp) |
709 kW (951 hp) |
699 kW (937 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2500 rpm.
C | 297 mm (11.70”) |
S | 159 mm (6.25”) |
F | 574 mm (22.60”) |
L | 340 mm (13.39”) |
R | 340 mm (13.39”) |
A | 10° |
Weight | 488 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.