
Turbodrive 600 H.C.T
The largest and most powerful unit in the Castoldi range, the Turbodrive 600 H.C.T. is built for serious vessels that need forceful thrust and lightweight durability. With titanium and duplex stainless steel components, it's engineered for demanding commercial and large leisure applications.
| Impeller type | 4 blades, single stage, axial flow |
| Impeller diameter (at inlet) | 600 mm |
| Stator | 5 blades |
| Integrated gearbox | Heavy duty, 13 gear ratios available |
| Input flange | Up to 285 mm diameter drive shaft flange |
| Clutch | Built-in multi-disc hydraulic clutch |
| Transom angle | 90° |
| Drive shaft rotation | Clockwise (looking at input driveshaft flange) |
| Inspection hatches | 2, inboard |
| Hydraulic actuators | All inboard, waterjet mounted |
| Water pick-up (engine cooling) | 4" GAS |
| Unit dry weight (complete) | 1,700 kg |
| Hydraulic system weight | 120 kg |
| Entrained water volume | 450 litres |
| Oil volume | 56 kg, SAE 30 uni-grade (gearbox and hydraulics) |
| Bearings | All oil lubricated |
| Water intake protection | Movable debris screen grid, dual set of hydrodynamically profiled bars |
| Reversing system | Castoldi "Twin-Duct" bucket (75% of forward static thrust) |
| Steering system | Steering nozzle integrated in a protective bowl |


