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 |
1.05, 1.22, 1.47, 1.72 |
433 KW (580 hp) |
404 kW (542 hp) |
287 kW (385 hp) |
250 kW (335 hp) |
227 kW (305 hp) |
2.04 |
410 KW (550 hp) |
383 kW (514 hp) |
|||
2.43 |
365 KW (490 hp) |
342 kW (459 hp) |
268 kW (360 hp) |
225 KW (302 hp) |
205 kW (275 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3200 rpm.
C | 170 mm (6.69”) |
S | 123 mm (4.84”) |
F | 373 mm (14.69”) |
L | 254 mm (10.00”) |
R | 165 mm (6.50”) |
A | 7° |
Weight | 123 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.