Primarily focused on the legendary 5.9 Cummins 12v and 24v and modern 6.7 Cummins engines, we cover everything from common problems and maintenance content, to best performance modifications, tuning guides, and more. Additionally, we dig into various other Cummins engines like the 8.3L and the 5.0L.
Launched in mid-year of 2007, the 6.7 Cummins initially produced 350hp and 610-650lb-ft. of torque, depending on the transmission. The engine had a number of small changes in the early years with the biggest changes coming in 2011 when SCR and all the other emissions systems were added. Still in production today, the 6.7 Cummins…
The 5.9 Cummins is legendary in the diesel world for many reasons. However, by modern diesel standards it’s a bit lacking in power and torque. Fortunately, the Cummins 5.9L diesel engine has plenty of untapped potential. A few basic mods can truly take it to the next level. Among the best upgrades for the 5.9…
The 6.7 Cummins diesel engine was introduced in 2007.5 as a replacement to the 5.9L due to tightening emissions regulations. Since then, emissions regulations have continued to tighten and various new systems have been added to the 6.7 Cummins. One of the reasons the old diesels remain so popular and expensive today is because they…
Diesel fuel is a lot less refined than traditional gasoline which means it burns dirtier and releases more harmful exhaust gases. Starting around 2007, diesel emissions standards started to become a huge focus point. Today, all diesel engines have a number of emissions systems, including exhaust gas recirculation (EGR), diesel particulate filters (DPF), selective catalytic…
The 5.9 and 6.7 Cummins diesel engines are common options in Dodge and Ram trucks. These two engines have powered Dodge Ram trucks since 1989. Despite only two primary engine designs for a 30 year span there are many differences. Horsepower and torque can vary wildly by Cummins model year trucks. In this guide, we…
Downpipe upgrades are a major topic for any turbo engine. The downpipe (DP) bolts directly to the turbocharger making it an incredibly important piece of the exhaust system. Among the best bolt-on upgrades for the 6.7 Cummins turbodiesel is a downpipe. What is it that makes the DP such a great mod? In this article,…
The 6.7 Cummins in Ram 2500 and 3500 trucks already produces impressive power and torque. However, some owners are always looking for more. Cummins 6.7L diesel engines respond very well to tuning and simple mods. Among those is an intake horn upgrade – also known as the intake manifold. This simple mod offers some awesome…
The 5.0 Cummins engine was launched in 2015 in the Nissan Titan XD diesel truck. Producing 310hp and 555lb-ft. of torque, the Titan XD was built to fill the gap between half-ton gas trucks and the heavy duty quarter and full-ton diesel pickups. The Titan XD diesel with the 5.0 Cummins has a towing capacity…
Cummins began producing the original 8.3 C-series engines in 1985. The ISC 8.3 Cummins came out in 1998 and uses the same basic design. It offers up to 400 horsepower and 1075 lb-ft of torque. This made it a great engine for fire trucks, trash trucks, and heavy equipment. However, the ISC 8.3 diesel is…
Dodge Ram 5.9 Cummins engines are often regarded as some of the most reliable light truck turbodiesel engines ever. The 12v Cummins, also known as the 6BT, has a legendary reputation for reliability. However, the newer 24v 5.9 (ISB 5.9) Cummins is still an excellent, reliable diesel engine with a few pros of its own….
The legendary Cummins 12v, also known as the 5.9L 6BT, is widely regarded as the best diesel engine ever. The 12v was released by Cummins in 1984 primarily for farm equipment. In 1989, Cummins and Dodge partnered with the 12v launching in Dodge /Ram’s 2500 & 3500 trucks. It is the big brother to the…
Article Updated: January 18, 2023 The 3.9L Cummins 4BT engine was released in 1983 and was predominantly used in smaller commercial vans such as bread trucks and other small delivery trucks. Despite its initial use in commercial vehicles, the engine has become extremely popular in the 4×4 and off-road communities for engine swaps. Additionally, it…
