For service classification definitions and important notes refer to the Twin Disc Marine Product Guide or contact Twin Disc directly.
Reduction Ratios | Pleasure Craft | Intermediate Duty | Continuous Duty | ||||
---|---|---|---|---|---|---|---|
Forward | Reverse | @ 2800 RPM | @ 3600 RPM | @ 2500 RPM | @ 3200 RPM | @ 2300 RPM | @ 2500 RPM |
1.55:1 | 2.00:1 |
50 kW (67 hp) |
60 kW (80 hp) |
36 kW (48 hp) |
47 kW (63 hp) |
29 kW (39 hp) |
31 kW (42 hp) |
2.00:1 | 2.00:1 |
44 kW (59 hp) |
56 kW (75 hp) |
33 kW (44 hp) |
42 kW (56 hp) |
26 kW (35 hp) |
29 kW (39 hp) |
2.45:1 | 2.45:1 |
35 kW (47 hp) |
45 kW (60 hp) |
29 kW (39 hp) |
38 kW (51 hp) |
21 kW (28 hp) |
23 kW (31 hp) |
2.83:1 | 2.45:1 |
29 kW (39 hp) |
38 kW (51 hp) |
22 kW (30 hp) |
29 kW (39 hp) |
17 kW (23 hp) |
19 kW (25 hp) |
* Ratings shown are for use with standard right hand rotation engines. The maximum allowable rated engine speed is 5000 rpm.
Note: maximum power in reverse is 80% of listed ratings
C | 79 mm (3.10”) |
S | 83 mm (3.56”) |
F | 245 mm (9.65”) |
Weight | 14 kg * |
* dry weight, including standard equipment
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.