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TYPE CXO300 DIESEL OUTBOARD ENGINE
YEAR 2018
CXO300
coxmarine.com
CXO300Technical Specification
CXO300Technical 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
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
CXO300 – 300HP diesel outboard coxmarine.com
CXO300 Technical Specification
CXO300Instruments and controls
CXO300Technical 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
Instruments/control• Seastar electronic controls• Seastar joystick to manage up to 6 engines• CoastKey keyless fob / wireless MOB technology• CAN J1939 Controls and Displays• Compatible with NMEA 2000• Murphy Powerview displays – 4.8”/7”/11”/12”• Compatible with off the shelf Seastar steering units
CXO300 – 300HP diesel outboard coxmarine.com
CXO300 Technical Specification
0 (0)
100 (74)
200 (148)
300 (221)
400 (295)
500 (369)
600 (443)
700 (516)
800 (590)
900 (664)
1000 1500 2000 2500 3000 3500
Torque at propsha - Nm (lb.)Torque at propsha - Nm (lb.)
1.23 ratio
1.46 ratio
0
10 (2.2)
20 (4.4)
30 (6.6)
40 (8.8)
50 (11.0)
60 (13.2)
70 (15.4)
80 (17.6)
1000 1500 2000 2500 3000 3500 4000
ISO E3/E5 fuel consumption - L/h (gal/h)
0
100 (74)
200 (148)
300 (221)
400 (295)
500 (369)
600 (443)
700 (516)
1000 1500 2000 2500 3000 3500 4000
Torque at cranksha - Nm (lb.)
0
50
100
150
200
250
300
350
1000 1500 2000 2500 3000 3500
Power at propsha (hp)
1.23 ratio
1.46 ratio
CXO300Power at Propshaft (hp)
CXO300Torque at Crankshaft Nm (lb.ft)
CXO300ISO E3/E5 fuel consumption (L/h) Fuel curve under ISO 8178 E3/E5 conditions
CXO300Torque at Propshaft Nm (lb.ft)
CXO300 – 300HP diesel outboard coxmarine.com
CXO300 Technical Specification
25” leg lengthDimensions – mm (in)
A 634 (25)B 1984 (78.1)C 151 (5.9)D 1201 (47.3)E 1297 (51)
30” leg lengthDimensions – mm (in)
A 761 (30)B 2111 (83.1)C 177 (7)D 1326 (52.2)E 1424 (56)
35” leg lengthDimensions – mm (in)
A 888 (35)B 2238 (88.1)C 204 (8)D 1450 (57.1)E 1551 (61)
CXO300 Technical drawing
CXO300Plan view /Transom interface
Dimensions - mm (in)
CXO300 Technical Specification
CXO300 – 300HP diesel outboard coxmarine.com
724 (28.5)
CXO300 Technical Specification
CXO300 – 300HP diesel outboard coxmarine.com
Black finish
White finish
CXO300 Boat Rigging Schematic
CXO300 – 300HP diesel outboard coxmarine.com
VPOU
Throttle
Battery Screen
CoastKey
CANtrak GEMVPOU(Vessel Propulsion Oversight Unit)
VPOU
January 2019 2.0. 2019 Cox Powertrain Ltd
Please note that this Technical Specification is subject to change, and is not to be re-produced in any form without permission
Power Equipment Pty Ltd10-12 Commercial Drive,Lynbrook, Victoria 3975
Australia: 1800 069 469Email: [email protected]