Inboard engine Series 4000 M73/M73L
propulsiondieselboating

inboard engine
inboard engine
inboard engine
inboard engine
inboard engine
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Characteristics

Type
inboard, propulsion
Power source
diesel
Market
boating, commercial
Technology
sequential turbocharger, common-rail
Power

Min.: 2,575 ch (2,575 hp)

Max.: 4,830 ch (4,830 hp)

Description

Standard equipment Starting system 24V electric starter, 2-pole Oil system Integral lube-oil pump; automatic oil filter, centrifuge, lube oil heat exchanger, pump for oil extraction Fuel system Fuel delivery pump, fuel duplex filter (switchable), Common Rail injection system with HP pump, pressure accumulator and electronic injection with cylinder cutout, jacketed HP fuel lines, flame-resistant hoselines, leak-fuel tank with level monitoring, fuel conditioning system Cooling system MTU split-circuit cooling system, map-controlled coolant thermostats, raw water-cooled engine coolant-plate-core heat exchanger, self-priming raw water centrifugal pump, engine coolant circulating pump, raw water connection for gear oil cooling, flameresistant hoselines and rubber bellows Combustion air system Water-cooled charge-air pipework, coolant temperature controlled intercooler, sequential turbocharging. with 2 water-cooled turbochargers, seawater-repellent intake air filter on engine with integral intake air silencer Exhaust system Triple-walled, liquid-cooled, exhaust manifolds on engine, exhaust bellows, exhaust outlet from horizontal 30° upwards Engine mounting Resilient mounts Power transmission Torsionally-resilient couplings with offset compensation Auxiliary PTO Generator 120A, 28V, 2-pole Engine management system Engine control and monitoring system (ADEC), interface to gearbox controller, interface to remote control and monitoring system, local operating panel (LOP), fuel consumption display Engine safety system The scope of delivery for the engine fulfills SOLAS requirements for admissible surface temperature without

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