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 |
1.12, 1.25, 1.50 1.80, 2.04 |
272 kW (365 hp) |
254 kW (341 hp) |
187 kW (251 hp) |
128 kW (172 hp) |
116 kW (156 hp) |
2.50 |
239 kW (320 hp) |
223 kW (299 hp) |
* Ratings shown for use with standard right hand rotation engines.
The maximum allowable rated engine speed is 3300 rpm (5500 rpm in high speed configuration).
C | 140 mm (5.52”) |
S | 93 mm (3.68”) |
F | 307 mm (12.10”) |
L | 207 mm (8.13”) |
R | 149 mm (5.85”) |
A | 10° |
Weight | 91 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.