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
- Dry weight, kg (lb)* 375 (826)
- 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
- 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
*weight refers to shortest shaft length, and is measured without motor oil, gearcase oil and propeller.
CXO300 Instruments and controls
Instruments/control
- Seastar electronic controls
- Seastar joystick to manage up to 6 engines
- CoastKey keyless fob / wireless MOB technology
- NMEA 2000 CAN displays and controls
- Murphy Powerview displays – 4.8”/7”/10”/12”
- Compatible with off the shelf Seastar steering units
- CXO300 Power at Propshaft (hp)
- CXO300 Torque at Crankshaft Nm (lb.ft)
- CXO300 Torque at Propshaft Nm (lb.ft)
- CXO300 ISO E3/E5 fuel consumption (L/h)
- Fuel curve under ISO 8178 E3/E5 conditions
CXO300 Technical description
Engine block and head
- 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
- On-engine fuel filtration
Air inlet and exhaust system
- Exhaust gas recirculation system
- Twin turbochargers
- Air filters with replaceable inserts
- Closed crankcase ventilation
Transmission
- 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
- 80A marine alternator
Propeller
- Maximum propeller diameter 16in
- 19† 1.25 propeller spline
25” leg length Dimensions – mm (in)
- A 634 (25)
- B 1984 (78.1)
- C 151 (5.9)
- D 1201 (47.3)
30” leg length Dimensions – mm (in)
- A 761 (30)
- B 2111 (83.1)
- C 177 (7)
- D 1326 (52.2)
- E 1424 (56)
35” leg length Dimensions – mm (in)
- A 888 (35)
- B 2238 (88.1)
- C 204 (8)
- D 1450 (57.1)
- E 1551 (61)
