Special Offers
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RT40-4N 3.08 Ratio Front Rear
Regular price $1,395.00Incl. tax: $1,395.00 -
Alliance RT40-4N Front Rear Differential Carrier 3.31 Ratio 41 Spline 8211
Regular price $1,495.00Incl. tax: $1,495.00 -
Alliance RT40-4N Front Rear Differential Carrier Assembly 2.85 Ratio
Regular price $1,395.00Incl. tax: $1,395.00 -
Alliance RT40-4N Front Rear Differential Carrier 3.47 Ratio
Regular price $1,395.00Incl. tax: $1,395.00
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2019 Cummins X15 Engine For Sale
2019 Cummins X15 Engine for Sale with CPL 4342, low miles, and a 6-month warranty. EPA17 compliant, fully inspected and run tested prior to shipment, this X15 engine is offered with nationwide shipping and a wide...Regular price $15,000.00Regular price $15,000.00Incl. tax: $15,000.00 -
2018 Engine CUMMINS X15 S1191
This 2018 Cummins X15 S1191 diesel engine delivers 450 HP (CPL 4342) and has been tested and inspected, backed by a 6 month warranty. Model/Year: 2018 Cummins X15 S1191 Engine Type: Diesel Horsepower: 450 HP CPL:...Regular price $15,000.00Regular price $15,000.00Incl. tax: $15,000.00 -
2020 Cummins X15 Engine for Sale 565HP CPL 4343
2020 Cummins X15 Engine CPL 4343 565HP Low Miles Fully Run Tested and Inspected 6 Month Warranty See video https://youtube.com/shorts/49N4yusfG8w?is=pwkfs6L-dE24ir7bRegular price $19,000.00Regular price $19,000.00Incl. tax: $19,000.00
Shop our selection of used Cummins X15 diesel engines, pulled from Freightliner, Peterbilt, Kenworth, and International trucks and tested before listing. The 14.9-liter inline-6 X15 is the workhorse of the 15-liter class, rated from 400 up to 605 horsepower with peak torque reaching 2,050 lb-ft — built for long-haul efficiency and heavy vocational hauling alike.
Every X15 engine we sell has been pulled, inspected, and evaluated for compression, oil pressure, and overall running condition, so you know exactly what you're buying. Whether you're replacing a failed engine, sourcing a core for a rebuild, or need a dependable swap to get your truck back on the road, we ship nationwide and stand behind what we sell.
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Displacement: 14.9L inline 6-cylinder
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Horsepower range: 400-605 HP
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Peak torque: up to 2,050 lb-ft
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Fits Freightliner Cascadia, Peterbilt, Kenworth, and International trucks
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Pulled, inspected, and tested before sale
Have questions about mileage, CPL number, or fitment for your truck? Contact our team — we're happy to help you find the right X15 engine for your application.