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 |
1.06, 1.33, 1.53 1.77, 2.05, 2.28 |
530 kW (710 hp) |
460 kW (617 hp) |
351 kW (471 hp) |
301 kW (404 hp) |
262 kW (351 hp) |
2.53 |
492 kW (660 hp) |
||||
2.88 |
447 kW (600 hp) |
418 kW (560 hp) |
340 kW (456 hp) |
273 kW (366 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3200 rpm.
C | 54 mm (2.12”) |
S | 178 mm (7.00”) |
F | 405 mm (15.97”) |
L | 254 mm (10.00”) |
R | 254 mm (10.00”) |
A | 7° |
Weight | 135 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.