CATERPILLAR CAT 3406 – Reman Engine Assembly

Related Arrangement Numbers

7W-8406, 4P-2566, 116-8869, 124-3151, 9Y-4357, 108-6629 & more

Popularly Used In

• Caterpillar D8N, D8R, D8L (Track-Type Tractor)
• Caterpillar 980C, 980F, 980G (Wheel Loader)
• Caterpillar 375, 375 L, 5080 (Excavator)
• Caterpillar 621E, 623E, 627E (Wheel Tractor-Scraper)
• Caterpillar 824C, 825C, 826C (Compactor)
• Industrial Applications (Gen Sets, Marine Propulsion, Rock Crushers, Pumps) & many other models

Technical Data

The Caterpillar 3406 is a legendary inline 6-cylinder, 4-stroke diesel engine renowned for its durability in heavy-duty applications. It features a substantial displacement of 14.6 Liters (893 cu in) with a bore of 137 mm (5.4 in) and a stroke of 165 mm (6.5 in). Known for its reliability, this platform utilizes direct injection to ensure efficient power delivery. The engine is typically Turbocharged Aftercooled (TA), producing a robust power output ranging from 216 kW to 347 kW (290 hp to 465 hp) at a rated speed of 1800–2100 RPM. It delivers exceptional torque characteristics, making it a preferred choice for demanding mining, construction, and industrial environments.

Engine Condition

Remanufactured – Caterpillar Make

• Original OEM engine professionally remanufactured
• Fully stripped, inspected, machined, and rebuilt
• All major wear components replaced using genuine brand parts
• Fully tested prior to shipment
• Dyno testing options available upon request
• Cost-effective alternative with restored OEM-level performance

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.