CXO300 Technical data
| Engine Designation | CXO300 |
|---|---|
| Crankshaft power, kW (hp) | 252 (338) |
| Propeller shaft power, kW (hp) | 224 (300) |
| Engine propping speed, rpm | 3700-4000 |
| Displacement, L (cu.in.) | 4.4 (266) |
| Number of cylinders | 8 |
| Bore/stroke, mm (in.) | 84 (3.3) / 98.5 (3.9) |
| Compression ratio | 16 |
| Ratio 1 (Propeller speed) | 1.23:1 (3259) |
| Ratio 2 (Propeller speed) | 1.46:1 (2739) |
| Peak torque, Nm (ft.lb) | 650 (479) |
| Aspiration | Twin-turbo |
| Shaft Length, inch(mm) | 25”(635) / 30”(762) / 35”(889) |
| Emission compliance | EPA 3, IMO 2, RCD 2 |
| Start assist | Glow plugs (optional) |
| Rating | Light-duty commercial |
| Trim range | -4° to +16° |
| Tilt range | 71° |
| Engine Oil Spec | API CI-4 / SAE 5W40 |
| Gear Oil Spec | API GL-5 / SAE 75W140 |
| Propeller spline spec | 1.25” shaft / 19 tooth |
| Colour options | Black / White |
Technical description
- Aluminium alloy block and heads
- 60 degree V8
Engine mounting
- Standard outboard fitting layout
- 6-bolt mounting with multi-hole adjustment
Fuel system
- High pressure common rail fuel injection
- Fine filter with water separator
Air inlet and exhaust system
- Twin turbochargers
- Air filters with replaceable inserts
- Closed crankcase ventilation
- All outboards offer standard and counter rotating capability, programmable through the ECU
Cooling system
- Thermostatically regulated raw water cooling
- Tubular heat exchanger
Electric system
- 12V/24V two-pole electrical system
- 100A marine alternator
Instruments/control
- Seastar electronic throttle
- Seastar joystick
- Coastkey Keyless key fob / wireless MOB technology
- Compatible with NMEA 2000
- Murphy Powerview displays – 4.8”/7”/10”/12” screen sizes
- Compatible with all Seastar EPS steering
View our brochure
Retrofit Compatibility
Although the first of its kind, as the most powerful diesel outboard brought to the market, the CXO300 has been developed to be compatible with existing industry standards – making it as easy to install on a wide range of vessels as any gasoline outboard.
Diesel
Standard pump diesel
NMEA
NMEA 2000 compatible
Transom
Transom same as current standard
Prop
Off the shelf
Steering
Compatible with all major brands
redefining standards
When purchasing a Cox diesel outboard you are buying more than an engine, you are acquiring a new level of service and care that comes standard with all our products. We have defined service standards to ensure you don’t lose a week’s worth of revenue, or that fishing weekend you have been planning for weeks because your engine is down. we offer an engine substitution programme and a true 24/7 customer service to ensure there is always somebody available to attend our customers no matter where in the world, no matter what time.
