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 | @ 2500 RPM | @ 2300 RPM | @ 2100 RPM | @ 1800 RPM | @ 1800 RPM |
1.08, 1.26, 1.47 1.72, 2.04 |
425 kW (570 hp) |
376 kW (504 hp) |
279 kW (374 hp) |
227 kW (304 hp) |
216 kW (290 hp) |
2.43 |
400 kW (536 hp) |
351 kW (471 hp) |
254 kW (341 hp) |
208 kW (279 hp) |
199 kW (267 hp) |
* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 3600 rpm.
C | 170 mm (6.69”) |
S | 123 mm (4.84”) |
F | 329 mm (12.97”) |
L | 254 mm (10.00”) |
R | 165 mm (6.50”) |
A | 7° |
Weight | 111 kg * |
* dry weight, including SAE #2 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.