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Maritime Technical Library • Engineering Blog

Technical Service Articles &
Class Survey Engineering Posts

Explore publication-ready engineering manuals, SOLAS/MARPOL compliance SOPs, diagnostic matrices, and worldwide port attendance protocols.

All Topics (80) Bridge & NavCom (34) Safety & LSA/FFA (11) Propulsion & Engine (12) Scrubber & MARPOL (8) Auxiliary & Galley (7) Cathodic Anodes (1) Automation & SIS (5)
Showing 1 to 12 of 12 technical articles
Propulsion & Machinery 11 min read

VEEM Marine Gyro Stabilizer & Interceptor Propeller Service

MarineListing provides 24/7 Class-certified engineering support, flywheel vacuum chamber servicing, high-speed bearing overhauls, and genuine spare parts supply for VEEM Marine Gyro Stabilizers (VG 120, VG 140, VG 260, VG 520, VG 1000, VG 1450SD) and VEEM Interceptor Propeller systems worldwide. Supporting superyachts, offshore wind Crew Transfer Vessels (CTVs), fast patrol craft, and commercial workboats, our factory-trained gyroscopic stabilization specialists restore maximum roll attenuation performance ($> 90\%$ roll reduction at zero speed and underway). Operating across major yachting and maritime hubs—including Singapore, Rotterdam, Dubai, Fort Lauderdale, and Busan—we execute complete vacuum recovery, active hydraulic precession brake tuning, bearing spectral vibration analysis, and hull foundation NDT inspections strictly adhering to IACS Class rules.

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Propulsion & Machinery 12 min read

Wärtsilä Lips CPP Propeller, Shaft Line & Hydrodynamic Propulsion Service

MarineListing delivers 24/7 Class-certified engineering support, drydock overhauls, in-situ underwater seal renewals, and genuine spare parts supply for Wärtsilä Lips Controllable Pitch Propeller (CPP) systems, shaft lines, and steerable hydrodynamic thrusters worldwide. Specializing in high-thrust commercial and naval installations (Lips 4-blade/5-blade hubs, CP-Hub types, and Lips Propulsion Plus packages), our factory-trained propulsion specialists execute complete 5-year drydock overhauls. Every intervention strictly adheres to IACS Class rules (UR M68) and maker tolerances, encompassing blade carrier O-ring replacement, crank pin ring and slide block clearance gauging, hydraulic Oil Distribution (OD) box rebuilds, Airguard stern tube seal bonding, and strain gauge jack-up shaft alignment surveys across Singapore, Rotterdam, Dubai, Busan, Houston, and international shipyards.

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Propulsion & Machinery 14 min read

Wärtsilä Dual-Fuel Engine Overhaul & Common Rail Injection Service

MarineListing delivers 24/7 Class-approved major overhauls, cryogenic fuel gas system servicing, in-situ precision machining, and genuine spare parts supply for Wärtsilä medium-speed dual-fuel and diesel engines worldwide. Specializing in the benchmark-efficiency Wärtsilä 31DF, 34DF, 46F, and 50DF platforms, our factory-certified marine diesel riding squads and automation engineers execute complete 12,000-hour intermediate and 24,000-hour Continuous Machinery Survey (CMS) overhauls. Every service intervention strictly enforces IACS Class rules, IGF Code mandates (IMO Res. MSC.391(95)), and MARPOL Annex VI Tier III NOx limits—covering electro-hydraulic Gas Admission Valve (GAV) stroke calibration, Gas Valve Unit (GVU) leak-rate testing, high-pressure common rail injector pop testing, in-situ diamond cylinder liner honing, laser crankshaft deflection alignment, and UNIC C3/C5 automation controller diagnostics across Singapore, Rotterdam, Fujairah, Houston, Busan, and international bunkering hubs.

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Propulsion & Machinery 9 min read

Yanmar Marine Auxiliary Diesel Engine & Generator Overhaul Service

MarineListing provides 24/7 Class-certified major overhauls, in-situ machining, and genuine spare parts supply for Yanmar medium-speed auxiliary diesel engines and marine generator sets across all major global shipping corridors. Specializing in the Yanmar EY-series (6EY18ALW, 6EY22ALW, 6EY26AW, 6EY33BW) and N-series (6N21AU, 6N18AL), our factory-trained diesel riding squads and certified marine engine fitters execute complete 10,000-hour top overhauls and 20,000-hour major dockside or voyage refurbishments. Every overhaul strictly adheres to maker tolerances, IACS Class rules, and SOLAS Chapter II-1 mandates, covering cylinder liner 6-point micrometer ovality gauging, portable plateau diamond honing, piston crown ultrasonic NDT, tri-metal big-end bearing clearance measurement, fuel injection pump calibration, and optical crankshaft web deflection alignment across Singapore, Rotterdam, Fujairah, Houston, and Busan.

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Propulsion & Machinery 10 min read

Yacht Marine Fin & Gyro Stabilizer System Servicing, Hydraulic Overhaul & Drydock Survey

MarineListing delivers 24/7 Class-certified maintenance, hydraulic actuator overhauls, and dynamic performance tuning for marine yacht stabilizer systems across worldwide luxury yachting and commercial corridors. Supporting active hydraulic fin stabilizers and zero-speed gyroscopic units from premier manufacturers—including Naiad Dynamics, Quantum Marine Stabilizers, Sleipner (Side-Power), CMC Marine, ABT-TRAC, and Seakeeper—our factory-trained motion control engineers execute certified drydock and afloat interventions. Every service attendance includes fin shaft spherical roller bearing clearance measurement, double-lip hull barrier seal renewal, proportional directional servo valve recalibration, hydraulic power unit (HPU) oil cleanliness filtration to ISO 4406 ($16/14/11$), and ultrasonic/dye-penetrant NDT inspection of fin stocks and composite blade roots across Fort Lauderdale, Monaco, Palma de Mallorca, Dubai, and Singapore.

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Propulsion & Machinery 16 min read

Zvezda M70 Marine Gas Turbine Overhaul, Inspection & Spares Service

MarineListing provides 24/7 worldwide Class-approved overhaul, hot-section inspection (HSI), boroscope diagnostics, and mechanical servicing for Zvezda / Saturn M70 (M70FRU / M70RU) marine gas turbine propulsion units and high-output generator drives. All maintenance operations strictly adhere to SOLAS Chapter II-1 Regulations 26 & 27, MARPOL Annex VI Regulation 13 (NOx Tier II/III), and IACS Unified Requirements M44. Factory-trained marine propulsion engineers attend commercial cargo vessels, high-speed ferries, offshore support units, and auxiliary naval craft at berth, inner/outer anchorage, and Off-Port Limits (OPL) across global maritime trade corridors (Singapore, Fujairah, Rotterdam, Houston, Busan, Suez, JNPT), executing full hot-gas path refurbishment, fuel nozzle flow calibration, FADEC governor tuning, and vibration harmonic balancing with bonded Ship Spares in Transit (SSIT) support.

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Propulsion & Machinery 14 min read

ZF Marine Z-Drive Thruster & Steering Actuator SST 200 Overhaul Service

MarineListing provides 24/7 worldwide Class-approved overhaul, mechanical alignment, hydraulic calibration, and emergency seal renewal for ZF Marine Z-drive azimuth thrusters (AT Series) and ZF SST 200 electro-hydraulic steering actuators. All maintenance operations strictly adhere to SOLAS Chapter II-1 Regulations 29 & 30, IACS Unified Requirements M42 and M52, and Class dynamic positioning (DP2/DP3) survey rules. Factory-certified marine propulsion specialists attend tugs, offshore support vessels, platform supply vessels (PSVs), and passenger ferries at berth, anchorage, drydock, and Off-Port Limits (OPL) across major international hubs (Singapore, Fujairah, Rotterdam, Houston, Busan, Suez, JNPT), executing full bevel gear tooth contact pattern mapping, Simplex multi-lip shaft seal renewals, SST 200 proportional valve tuning, and Class-witnessed steering rate verification ($35^\circ \text{ port to } 35^\circ \text{ stbd in } < 28\text{ s}$).

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Propulsion & Machinery 9 min read

Thordon Marine Bearing, Tailshaft & Propeller Service

MarineListing delivers 24/7 Class-certified machining, laser alignment, clearance verification, and drydock installation for Thordon non-metallic marine bearings (ThorPlas-Blue, COMPAC, SXL, XL), Teignbridge precision propellers, and Thrustmaster azimuth thrusters worldwide. Engineered for zero-pollution seawater-lubricated stern tubes, rudder pintles, deck winches, and steerable thrusters, our certified Propulsion Specialists ensure compliance with IACS Class rules and extended tailshaft survey notations (DNV TMON, ABS TCM). Operating across Singapore, Rotterdam, Dubai, Houston, Busan, and Shanghai, we execute in-situ line boring, cryogenic liquid nitrogen freeze-fitting, shaft wear logging, and Class survey sign-off.

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Propulsion & Machinery 9 min read

Sulzer & WinGD Marine Engine Overhaul & Spares Service

MarineListing provides 24/7 global Class-certified engineering attendance, Common Rail electro-hydraulic overhaul, in-situ liner machining, and genuine spare parts supply for Sulzer and WinGD 2-stroke (RT-flex58T, RT-flex68, RTA series) and 4-stroke (ZAV40S) marine diesel engines. Ensuring 100% compliance with IMO MARPOL Annex VI NOx Technical Code and IACS Continuous Machinery Survey (CMS) rules, our factory-trained Marine Diesel Specialists operate worldwide across Singapore, Rotterdam, Dubai, Houston, Busan, and Shanghai—executing ICU/VCU rail valve rebuilds, WECS-9520 automation diagnostics, cylinder liner wave-cut honing, piston crown reconditioning, and crankshaft deflection alignment.

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Propulsion & Machinery 9 min read

LNG & Cryogenic Equipment Service

MarineListing provides 24/7 worldwide LNG fuel system, cryogenic tank, and regasification equipment service for LNG-fueled vessels operating under the IMO IGF Code. Our certified marine technical teams deliver class-approved maintenance, repair, certification, and emergency response for cryogenic fuel tanks, vaporizers, and gas supply systems at 30+ major LNG bunkering ports globally, achieving compliance turnaround within 24-72 hours depending on system criticality and class requirements.

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Propulsion & Machinery 10 min read

Main Engine Overhaul Service

Class-approved main engine overhaul and major maintenance for MAN Energy Solutions, Wartsila, Caterpillar Marine, Yanmar, Daihatsu, and other major marine engine manufacturers. Service includes cylinder unit overhaul, turbocharger service, fuel system overhaul, complete engine diagnostics, and certification compliance with SOLAS Chapter II-1, IACS UR M26, and manufacturer specifications. Full worldwide port attendance with 72-96 hour turnaround for cylinder unit overhaul and 7-14 days for complete engine overhaul.

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Propulsion & Machinery 11 min read

Auxiliary Engine Service

Class-approved auxiliary engine service, overhaul, and maintenance for generator engines and marine diesel generators from MAN, Wartsila, Caterpillar, Yanmar, Daihatsu, Mitsubishi, and other major manufacturers. Service includes cylinder unit overhaul, turbocharger service, fuel system overhaul, generator synchronization, and certification compliance with SOLAS Chapter II-1, IACS UR M33, and manufacturer specifications. Full worldwide port attendance with 48-72 hour turnaround for cylinder unit overhaul and 5-7 days for complete auxiliary engine overhaul.

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