Hyundai Seasall H410 Commercial Inboard Marine Diesel Engine

Description

Pilot offshore harbor tenders through heavy sea states with the Hyundai Seasall H410 Commercial Marine Diesel Engine to maintain critical dispatch schedules. This 10.0L Inline-6 engine produces 410 BHP at 2,000 RPM to propel displacement and semi-planing workboats. Operators must monitor seawater cooling circuit strainers, as plastic bag ingestion stops intercooler heat transfer and causes ECU torque derates.

Engineers construct the cylinder block and 24-Valve monobloc head from pearlite gray iron to withstand extreme mechanical stress under load. Replaceable wet sleeve liners seat inside precision block bores to permit rapid in-vessel overhauls. An isolated ground 24V marine electrical loop features a 24V 5.5 kW starter motor and 24V 70A alternator. Dry engine weight measures 2,469 lbs within an envelope spanning 59.6in length, 35.0in width, and 42.2in height with a 9.25 gal oil pan.

Key Features of Hyundai Seasall H410

Commercial port authorities buy Hyundai Seasall H410 marine diesel engines to repower multi-role pilot tenders and coastal patrol craft. The rear SAE 1 bellhousing with SAE 14 flywheel couples to D-I Industrial DMT 240H and ZF 325A marine reduction gearboxes.

• Electronic variable geometry turbocharger provides immediate boost response across varying boat speeds.
• Seawater-cooled charge air intercooler condenses intake air charge to protect piston crowns from thermal fatigue.
• Electronic unit injector system meters fuel under high pressure to maximize fuel economy during transit runs.
• Tubular heat exchanger circulates coolant through copper-nickel tubes to prevent internal saltwater corrosion.
• Monobloc 24-Valve cylinder head structure resists fire deck distortion under peak combustion pressures.
• Replaceable wet sleeve cast iron liners simplify overhaul procedures without lifting the engine bed.
• Isolated ground 24V electrical architecture stops stray current corrosion in commercial aluminum hulls.

Dynamic Bench Load Tolerances

Dynamometer load cells show 380 BHP continuous power at 1,800 RPM and 410 BHP intermittent power at 2,000 RPM. Peak shaft torque reaches 1,230 ft-lbs at 1,200 RPM, sustaining formidable thrust against opposing tides and harbor waves. Electronic unit injectors maintain 2,000 bar pressure, while exhaust pyrometer sensors indicate 1,020°F at peak intermittent throttle. Tubular heat exchangers stabilize jacket coolant at 180°F under full thermal saturation. Crankshaft journal runout measures 0.0004in TIR, and the sump tolerates static engine mounting tilts up to 25°.

Field Usability Maintenance Protocol

Electronic helm throttle levers command engine speed via CAN bus channels, eliminating mechanical push-pull cable drag, friction, and lever binding. Do not install this 2,469 lbs commercial engine in high-speed stepped planing hulls or commercial workboat diesel engine repower craft that lack deep keel clearance for the large 9.25 gal oil sump.

• Drain 9.25 gal of marine crankcase oil and replace spin-on lube filters every 500 operating hours.
• Replace primary fuel water separators and secondary fuel filter elements every 350 run hours.
• Inspect sacrificial zinc anodes inside the tubular heat exchanger housing every 150 service hours.

Verified Warranty Crate Manifest

Hyundai SeasAll backs this commercial engine with a 2-Year or 5,000-Hour commercial marine warranty. Each shipping crate contains the complete H410 bobtail engine, SAE 1 housing, SAE 14 flywheel, 24V starter, 24V 70A alternator, engine mounts, digital instrument wiring harness, and factory operational manuals for shipyard mechanics.