Maximize your vessel’s operational efficiency with premium OEM and Genuine spare parts for the Sulzer / Wärtsilä RTA48 2-stroke marine diesel engine. Trusted by shipowners worldwide, UNICO delivers reliable engineering solutions, comprehensive technical support, and fast global dispatch for bulk carriers, cargo ships, and container vessels. Keep your fleet moving with our uncompromising quality.
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Premium Spare Parts for SULZER / WÄRTSILÄ RTA48 Marine Engines

The Sulzer RTA48 is a highly reliable, 2-stroke low-speed marine diesel engine, widely utilized across bulk carriers, general cargo vessels, and container ships. To maintain peak performance, fuel efficiency, and structural longevity, UNICO provides a comprehensive range of OEM and Genuine marine spare parts.
Whether you are conducting routine maintenance, an emergency overhaul, or dry-dock repairs, our maritime supply network ensures that your vessel experiences minimal downtime and maximum operational safety.
Technical Specifications (Engine Profile)
Engine Maker: Sulzer / Wärtsilä
Engine Model: RTA48
Engine Type: 2-Stroke Low-Speed Marine Diesel Engine
Bore: 480 mm
Stroke: ~ 2,000 mm
Speed Range: ~ 124 rpm
Output Power: ~ 7,000 – 13,000 kW (Depending on cylinder configuration)
Fuel Type: HFO / MDO
Scavenge System: Turbocharged
Rotation: Clockwise / Counterclockwise
Cooling System: Central Fresh Water Cooling System
Lubrication: Cylinder Oil & System Oil
Starting System: Starting Air System
Primary Application: Bulk Carriers, Cargo Ships, Container Vessels
Why Choose UNICO for Your Marine Engine Spares? In the demanding maritime industry, delays are costly. UNICO is committed to delivering top-tier ship supply solutions with uncompromising reliability:
Certified Quality: 100% OEM & Genuine parts guaranteed for flawless integration with your RTA48 engine.
Global Logistics: Fast, reliable, and consolidated worldwide delivery directly to your port of call.
Technical Expertise: Professional technical support backed by experienced maritime professionals.

Contact UNICO for a Quotation Today Ensure your fleet’s continuous operation with UNICO’s premium marine supply services. Reach out to our sales team for prompt technical consultation and competitive pricing.
Company: UNICO Vietnam
Address: No. 58/384 Lach Tray Street, Gia Vien Ward, Hai Phong City, Vietnam
Phone: +84 93 662 8883
Email: sales@unicovietnam.com