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S12R-Y3MPTAW-5 product shot
Engines

Mitsubishi S12R-Y3MPTAW-5

Power

1350 HP

Certification

Tier 3 Replacement

Manufacturer

Mitsubishi

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The Mitsubishi S12R gives operators a 1,350 HP marine diesel engine option for vessels that need heavy-duty replacement power with a Tier 3 Replacement. With 49L displacement and an 1800 RPM output rating, this Mitsubishi Marine engine can support demanding applications where dependable propulsion, serviceability and long-term operation are key parts of the engine decision. For operators comparing high-horsepower Mitsubishi engines, the S12R offers substantial output in a proven mechanical platform with in-frame overhaul capability and heavy-duty construction. Laborde Products can help review specifications, discuss vessel requirements and connect customers with dealer support for parts, service and quote requests.

SPECIFICATIONS
PRODUCT FEATURES
WARRANTY & CARE

Specifications

VIEW PRODUCT BROCHURE
Output 1350 HP @ 1800 RPM
Bore/Stroke 6.69in x 7.09in (170mm x 180mm)
Displacement 49L (2,992 cu. in.)
Dimensions 93.5in (2,375mm) x 60.0in (1,524mm) x 68.1in (1,729.7mm)
Weight (Dry) 11,731lbs (5,321kg)

Why Choose Laborde Products for Maritime Propulsion Systems?

Our marine propulsion systems are made to last. They’re fuel-efficient and packed with the latest technology. We’re proud to offer engines from top brands like Steyr, Scania, Yanmar, and Mitsubishi.

At Laborde Products, we don't just sell engines—we provide complete solutions. Our expert team is here to support you every step of the way. We’re here to help, from pre-sales advice to installation and after-sales support.

With a full range of spare parts and maintenance services, we keep your vessel running smoothly with minimal downtime.

A Laborde Products field worker in a hard hat and life vest at a marine dockyard, with river barges above

OUR TEAM MEMBERS ARE READY TO HELP YOU!

Please feel free to contact us for more info about any of our products or services.

985-892-0107

info@labordeproducts.com