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 |
1.45, 1.73, 1.96 |
530 kW (710 hp) |
471 kW (632 hp) |
343 kW (460 hp) |
267 kW (358 hp) |
239 kW (320 hp) |
2.43 |
474 kW (635 hp) |
442 kW (593 hp) |
306 kW (410 hp) |
250 kW (335 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3000 rpm.
C | 185 mm (7.30”) |
S | 128 mm (5.05”) |
F | 434 mm (17.07”) |
L | 260 mm (10.25”) |
R | 178 mm (7.00”) |
A | 7° |
Weight | 215 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.