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 |
1.28, 1.52, 1.81 2.04 |
671 kW (900 hp) |
597 kW (801 hp) |
410 kW (550 hp) |
319 kW (428 hp) |
298 kW (400 hp) |
2.48 |
596 kW (800 hp) |
559 kW (750 hp) |
380 kW (510 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3000 rpm.
C | 191 mm (7.51”) |
S | 139 mm (5.45”) |
F | 502 mm (19.76”) |
L | 265 mm (10.43”) |
R | 265 mm (10.43”) |
A | 7° |
Weight | 210 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.