CATERPILLAR CAT 3412 – New [OEM Build] Engine Assembly

Related Arrangement Numbers

7W-8500, 4W-0250, 2W-8000, 6N-3500, 1W-6600, 7C-0145 & more

Popularly Used In

• Caterpillar D9L, D9N, D9R, D10N, D10R (Track-Type Tractor / Dozer)
• Caterpillar 990, 992C, 992D (Wheel Loader)
• Caterpillar 773B, 773D (Off-Highway Truck)
• Caterpillar 651E, 657E (Wheel Tractor-Scraper)
• Caterpillar 5130 (Mining Excavator)
• Industrial & Marine Applications (Power Generation, Crushers, Dredges, Marine Propulsion) & many other models

Technical Data

The Caterpillar 3412 is a heavy-duty V-12, 4-stroke diesel engine designed for demanding industrial, marine, and mining applications. It features a massive displacement of 27.0 Liters (1649 cu in) with a bore of 137.2 mm (5.4 in) and a stroke of 152.4 mm (6.0 in). Known for its reliability in severe environments, the engine utilizes a direct injection fuel system (often Mechanical or HEUI depending on the vintage) and is typically Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA). The 3412 delivers a power output ranging from 448 kW to 634 kW (600 hp to 850 hp) at a rated speed of 1800–2100 RPM, with specific marine and high-output configurations exceeding these figures. It is engineered to provide exceptional torque and longevity in continuous-duty operations.

Engine Condition

OEM Distributor Build

• Manufactured by an authorized OEM distributor
• Built using original brand components
• Assembled and tested to OEM tolerances and quality standards
• Warranty coverage and documentation provided by the distributor rather than the original brand
• Ideal alternative where original brand lead times are excessive and a high-quality solution is required
• Suitable for commercial, marine, and export applications

Core Charge Statement

There is no core charge associated with this engine listing. The price listed is outright.

Compatibility & Technical Verification Note

If you are replacing an existing engine assembly or are unsure about compatibility with your current machine or installation, please contact us at engines@motofork.com. One of our technical consultants will review your application and confirm that the engine configuration supplied is an exact match and fully plug-and-play. This technical verification service is provided at no additional cost.

Shipping, Handling & Service Notes

For orders placed with shipping, a pallet offloading fee of USD 120 will apply at the delivery location if a forklift is not available on site. Self-collection from our warehouse is available upon request. Please contact us at engines@motofork.com for coordination.

Any pallet labeling or special shipping instructions must be communicated prior to final packing. Service requests such as warehouse visits, inspections, or special packing arrangements, if requested, are non-refundable.