Main Engine
Mitsubishi
Refurbished
The Mitsubishi UEC52LA Marine Main Engine is a low-speed two-stroke crosshead diesel engine developed by Mitsubishi Heavy Industries for reliable and efficient marine propulsion. As part of the successful UEC engine family, the UEC52LA has been widely installed onboard bulk carriers, container ships, oil tankers, chemical tankers, and various commercial vessels operating worldwide.
The UEC series has earned a strong reputation in the maritime industry for its fuel efficiency, robust construction, operational reliability, and long service life. The UEC52LA continues this tradition by providing dependable propulsion power while maintaining low operating costs and high thermal efficiency.
Designed for direct-drive propulsion systems, the engine delivers excellent propeller efficiency and reliable performance during long ocean voyages. Its durable construction and proven engineering make it a preferred choice for shipowners seeking dependable propulsion solutions.
SM MARINE SERVICE™ supports vessel operators worldwide with supply, repair, overhaul, troubleshooting, technical support, and spare parts services for Mitsubishi UEC52LA engines.
The Mitsubishi UEC52LA is a low-speed crosshead marine diesel engine designed for direct propulsion applications. Operating on the two-stroke cycle, the engine provides high power output with excellent fuel efficiency and operational reliability.
The crosshead engine design separates piston side thrust from combustion forces, reducing wear on cylinder liners and pistons while extending component service life. This proven engineering concept contributes significantly to the engine's reputation for durability.
The engine incorporates advanced fuel injection systems, optimized scavenging arrangements, efficient cooling systems, and heavy-duty structural components designed to withstand continuous operation in demanding marine environments.
Many vessels equipped with UEC52LA engines continue to operate globally, creating strong demand for spare parts, overhaul services, repair support, and technical documentation.
SM MARINE SERVICE™ provides support for shipowners, technical managers, and marine engineers operating Mitsubishi propulsion systems worldwide.
The UEC52LA benefits from Mitsubishi's well-established low-speed engine technology, known for dependable operation and long-term reliability.
Optimized combustion chamber design and efficient fuel injection systems contribute to reduced fuel consumption and lower operating costs.
Major engine components are engineered to withstand continuous marine operation under harsh environmental conditions.
The low-speed design allows direct coupling to the propeller shaft, maximizing propulsion efficiency.
Proper maintenance and overhaul scheduling enable the engine to provide decades of reliable service.
Global spare parts availability and technical support networks ensure long-term operational confidence.
SM MARINE SERVICE™ assists customers with spare parts sourcing and technical support for Mitsubishi marine engines.
| Parameter | Details |
|---|---|
| Manufacturer | Mitsubishi Heavy Industries |
| Model | UEC52LA |
| Engine Type | Marine Main Propulsion Engine |
| Operating Cycle | Two-Stroke |
| Design | Crosshead Diesel Engine |
| Application | Main Propulsion |
| Fuel Type | Heavy Fuel Oil / Marine Diesel Oil |
| Cooling System | Fresh Water Cooling |
| Starting System | Compressed Air Starting |
| Drive Type | Direct Propeller Drive |
| Control System | Mechanical and Remote Control Integration |
| Marine Application | Commercial Vessels |
| Spare Parts Support | Available |
| Repair Support | Available |
| Overhaul Support | Available |
Actual specifications may vary depending on cylinder configuration and vessel installation.
The Mitsubishi UEC52LA is widely used onboard:
Provides reliable propulsion for international container transportation operations.
Supports efficient transportation of coal, ore, grain, and bulk commodities.
Offers dependable propulsion for crude oil and petroleum transportation.
Provides stable operation for specialized tanker applications.
Suitable for selected propulsion configurations depending on vessel requirements.
Supports efficient propulsion for liquefied gas transportation vessels.
Used in offshore support and specialized marine service vessels.
Provides dependable propulsion and operational reliability.
Supports scientific missions requiring stable engine performance.
Offers continuous operation under demanding fishing environments.
The engine can be integrated with:
SM MARINE SERVICE™ provides worldwide sourcing and supply support for Mitsubishi UEC52LA spare parts including:
Both new and reconditioned spare parts can be supplied according to customer requirements and budget.
SM MARINE SERVICE™ offers complete technical support solutions for Mitsubishi UEC52LA engines.
Diagnosis of engine performance issues, abnormal vibration, fuel consumption problems, temperature deviations, and automation faults.
Mechanical repair of fuel systems, lubrication systems, cooling systems, air starting systems, and propulsion-related equipment.
Calibration and verification of engine monitoring and control systems.
Operational testing and performance verification after repair and overhaul work.
Complete overhaul services including piston overhaul, cylinder liner replacement, exhaust valve servicing, bearing inspection, and crankshaft assessment.
Support for:
SM MARINE SERVICE™ assists shipowners and marine engineers in maintaining maximum engine reliability and minimizing vessel downtime.
SM MARINE SERVICE™
Bangladesh Office
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh
China Warehouse and Support Center
Shanghai, China
SM MARINE SERVICE™ supplies both New Equipment and Reconditioned Equipment depending on customer requirements and budget.
We provide worldwide supply, sourcing, repair, calibration, technical support and spare parts services for marine automation, navigation, communication and marine electronic systems.
Website : https://www.smmarineservice.com
Email : info@smmarineservice.com
WhatsApp and Viber : +8801818929292
Marketing Contact: Nazmul Hasan Bhuiyan
Mobile WhatsApp and Viber : +8801730296909
The Mitsubishi UEC52LA Marine Main Engine remains one of the most reliable low-speed propulsion engines used throughout the maritime industry. Its proven engineering, fuel-efficient operation, durable construction, and worldwide service support continue to make it a trusted choice for commercial vessel operators.
For Mitsubishi UEC52LA spare parts, repair services, overhaul support, technical documentation, troubleshooting assistance, reconditioned equipment, and worldwide marine engineering solutions, contact SM MARINE SERVICE™. Our experienced team is ready to support ship owners, fleet managers, shipyards, and marine engineers with professional marine engine services and global spare parts supply.
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