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 | @ 2800 RPM | @ 2800 RPM | @ 2500 RPM | @ 2100 RPM | @ 2100 RPM |
1.19, 1.53, 1.83 |
354 kW (475 hp) |
331 kW (444 hp) |
239 kW (320 hp) |
157 kW (211hp) |
142 kW (190 hp) |
2.07, 2.51 |
321 kW (430 hp) |
300 kW (402 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3500 rpm.
C | 331 mm (13.03”) |
S | 101 mm (3.97”) |
F | 102 mm (4.00”) |
F1 | 328 mm (12.92”) |
L | 213 mm (8.40”) |
R | 156 mm (6.15”) |
A | 15° |
Weight | 142 kg * |
* dry weight, including SAE #3 housing and SAE 290 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.