Detroit DD16 Engine Specs: Full Technical Breakdown
The Detroit DD16 is a 15.6L inline-six diesel engine rated from 500 to more than 600 horsepower and up to about 2,050 lb-ft of torque. Introduced around 2009, it is...
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HD Engines is a leading supplier of quality used diesel truck engines and engine parts. With one of the most extensive inventories in the industry, we stock a full range of engines from top manufacturers including Cummins, Detroit Diesel, Isuzu, John Deere, International, Mercedes, Ford, Paccar, Volvo, Mack, and Caterpillar (CAT).
Our inventory goes beyond complete truck engines—we also carry equipment engines, industrial engines, and marine engines, ensuring solutions for both on-highway and off-highway applications.
We provide a wide selection of engine components and rebuild parts, including engine blocks, cylinder heads, ECMs, and more, making us a trusted partner for engine rebuilders, repair shops, and fleet operators nationwide.
At HD Engines, we pride ourselves on delivering reliable products, competitive pricing, and fast turnaround times. Most engines are available for same-day shipping, with flexible freight options to meet your deadlines.
Explore our full range of Caterpillar (CAT) engines available for purchase. All models are carefully inspected and listed with clear information. Browse our inventory to find a reliable CAT engine that fits your needs.
HD Engines
2006 Caterpillar C13 ACERT Diesel Engine for Sale
2006 Caterpillar C13 ACERT diesel engine for sale (EPA04), fully inspected and a perfect runner....
HD Engines
Caterpillar C15 Rebuilt Diesel Engine Long Block 10R4404 for Sale
Caterpillar C15 ACERT diesel engine long block for sale as a fully rebuilt replacement unit....
HD Engines
2021 Caterpillar C7.1 Tier 4 Final Industrial Diesel Engine for Sale 173HP 7.1L
2021 Caterpillar C7.1 industrial diesel engine for sale in like-new condition with Tier 4 Final...
HD Engines
2023 Caterpillar C7.1 302HP 7.1L Tier 4 Final Industrial Diesel Engine for Sale
2023 Caterpillar C7.1 industrial diesel engine for sale as a brand-new, fully inspected crate engine...
Explore our full range of Cummins engines available for purchase. All models are carefully inspected and listed with clear specifications and details. Browse our inventory to find a dependable Cummins engine that meets your performance and application requirements.
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2013 Cummins ISL9 370HP 8.9L EPA13 Diesel Truck Engine for Sale CPL 3664 DCEXH0540LAV
2013 Cummins ISL9 diesel engine for sale in good used condition with Jake Brakes, EPA13...
HD Engines
2019 Cummins L9 Diesel Truck Engine for Sale CPL 4759 CM2350 EPA17
2019 Cummins L9 diesel engine for sale with EPA17 emissions and low miles. This 8.9L,...
HD Engines
2009 Cummins ISX 500HP 15.0L EPA07 CPL 2733 Diesel Truck Engine for Sale
2009 Cummins ISX diesel engine for sale with EPA07 emissions, low miles, and a fully...
HD Engines
2019 Cummins QSX15 525HP 15.0L Tier 4 Interim Industrial Diesel Engine for Sale
2019 Cummins QSX15 industrial diesel engine for sale with Tier 4 Interim emissions and 1,131...
HD Engines
2006 Detroit Series 60 14.0 515HP EPA04 6067HV6E Diesel Truck Engine for Sale
2006 Detroit Series 60 14.0 diesel engine for sale in good used condition, run tested...
HD Engines
2018 Detroit DD15 505HP 14.8L EPA17 Diesel Truck Engine for Sale
2018 Detroit DD15 diesel engine for sale, tested and fully inspected with low miles. This...
HD Engines
2018 Detroit DD15 505HP 14.8L EPA17 Diesel Truck Engine for Sale
2018 Detroit DD15 diesel engine for sale with EPA17 emissions, low miles, and a fully...
HD Engines
2013 Detroit DD15 505HP 14.8L GHG14 Diesel Truck Engine for Sale
2013 Detroit DD15 diesel engine for sale in good used condition, run tested and fully...

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Whether you’re looking for a replacement engine, hard-to-find components, or a cost-effective solution for your fleet, HD Engines has the experience and inventory to keep you running strong.
The Detroit DD16 is a 15.6L inline-six diesel engine rated from 500 to more than 600 horsepower and up to about 2,050 lb-ft of torque. Introduced around 2009, it is...
Buy the Detroit Series 60 12.7L if you want better fuel economy, a simpler engine, and lower long-term upkeep, especially in the pre-EGR versions. Buy the 14.0L if you need...
The most common Detroit Series 60 problems are EGR cooler failure, oil cooler and coolant leaks, fuel injector and injector harness faults, turbocharger issues, head gasket problems, and DDEC sensor...