Category: B Series

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1. What is the difference between Cummins 6BT and 6B?These are very similar engines with few differences. The 6B is a naturally aspirated engine, while the 6BT is a turbocharged version of the 6B. For that reason, the 6BT has more horsepower than the 6B due to the power of the turbo.The 6BT is used [...]

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1. Is the Cummins ISB a good engine?The Cummins ISB are good, reliable engines. The implementation of improved technology advancement on the engine makes the engine a unique one.For example, the engine makes use of a VGT turbo. The turbo helps to support the braking system of the truck by [...]

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1. What does QSB stand for in Cummins QSB engine?The full meaning of QSB is Quantum system B. That means that the engine is a family of mid-range engines that were designed for high performance and fuel efficiency.2. When should the QSB engines be rebuilt?There are three conditions that determine [...]

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One of the common problems of Cummins 6.7-L is engine overheating. These are most common causes of overheating in Cummins 6.7-L Engine:1. Failed Thermostat: if the thermostat is bad it will definitely cause the engine to overheat, because it will prevent coolant circulation. [...]