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E: simon.barnett@berthon.co.uk
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CXO300 Technical Specification

CXO300 Diesel Outboard Engine
Year – 2020

Technical data

Engine designation CXO300
Propeller shaft power, kW (hp) 224 (300)
Engine propping speed, rpm 3700-4000
Displacement, L (cu.in.) 4.4 (266)
Weight, kg (lb) 393 (866)
Number of cylinders 8
Bore/stroke, mm (in.) 84 (3.3) / 98.5 (3.9)
Compression ratio 16:1
Ratio 1 (Propeller speed) 1.23:1 (3259)
Ratio 2 (Propeller speed) 1.46:1 (2739)
Peak torque, Nm (lb.ft) 650 (479)
Aspiration Twin-turbo
Shaft Length, inch(mm) 25”(635)/30”(762)/35”(889)
Emission compliance EPA 3, IMO II, RCD II
Start assist Glow plugs
Rating Light-duty commercial
Trim range -4° to +16°
Tilt range 71°
Gear oil spec SAE 80W90, API GL-5
Powerhead oil spec – Min standard Fully synthetic API CI-4/ SAE 10W40 or 5W40
Propeller spline spec 1.25” shaft / 19 tooth
Colour options Black / White

Technical description

Powerhead

• 60 degree V8
• Aluminium alloy block, heads and ladder frame
• Quad camshafts, four valves per cylinder

Outboard mounting

• Standard outboard fitting layout
• 6-bolt mounting with multi-hole adjustment
• 30” transom spacing (28.5” with steering limits)

Fuel system

• Electronically controlled high pressure common rail fuel injection
• On-engine fuel filtration and cooling

Air inlet and exhaust system

• Twin turbochargers with electronic boost control
• Water-to-air charge cooling
• Air filters with replaceable inserts

Oil System

• Closed crankcase ventilation

Transmission

• 90-degree spiral bevel gear drive
• All outboards offer standard and counter rotating capability, programmable through the ECU

Cooling system programmable through the ECU

• Thermostatically regulated raw water cooling
• Solid impeller low-maintenance water pump

Electrical system

• Drive-by-wire power and shift control
• 12V system voltage
• 100A flywheel-integrated marine alternator
• Automatic integrated fuses

Propeller

• Maximum propeller diameter 16in
• 19 tooth 1.25” propeller spline

Instruments and controls

Instruments/Controls

• Dometic electronic throttle
• Dometic joystick
• CoastKey key-less fob / wireless MOB technology
• CAN J1939 Controls and Displays
• Compatible with NMEA 2000
• Murphy Powerview displays – 4.8”/7”/12”
• Compatible with all Dometic EPS steering

 

Power at Propeller (hp)

1 – Restricted torque at very low RPM avoids overpowering the propeller
2 – Substantial mid-range torque provides powerful and responsive acceleration and cruise performance
3 – Broad power peak provides the full 300 hp across a wide range of vessel loadings

Fuel Flow

Technical drawing

25” leg length

Dimensions – mm (in)
A 609 (24)
B 1997 (78.6)
C 141 (5.6)
D 1214 (47.8)
E R1286 (50.7)
F 918 (36.1)
G 853 (33.58)

30” leg length

Dimensions – mm (in)
A 732 (29)
B 2124 (83.6)
C 268 (10.5)
D 1314 (52.8)
E R1413 (55.6)
F 1045 (41.1)
G 853 (33.58)

35” leg length

Dimensions – mm (in)
A 863 (34)
B 2251 (88.6)
C 395 (15.6)
D 1468 (57.8)
E R1540 (60.7)
F 1172 (46.1)
G 853 (33.58)

Transom interface / Plan view

Dimensions – mm (in)

Contact Details

Simon Barnett
Tel: +44 (0)1590 647448
E-Mail: simon.barnett@berthon.co.uk
Web: www.berthon.co.uk

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