The Toughest Well Servicing Engines

Get the power you need to meet every challenge of blending, cementing, fracturing and workover applications — while complying with the latest emissions standards.

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Power Solutions Overview

Same Proven Performance

With more than 8 million Tier 4 hours in the field, the QSK50 has been the backbone of the pressure pumping market for 15 years. And now you can upgrade your engine to Tier 4 Dual Fuel for maximum fuel savings and productivity. Coming Fall 2021.

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Powering Oil and Gas Around the World

QSK50 Tier 4 Dual Fuel


QSK50 Tier 4 Dual Fuel

Cummins is taking innovation to the next level with the introduction of Dual Fuel for the proven QSK50 oilfield engine platform.

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Featured Transmission

QTR Transmission

Designed to withstand the long hours and unforgiving conditions of oil and gas, the QTR transmission is built to perform.

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qsk23 for oil and gas

Featured Engine

QSK23 for Well-servicing Applications

With an inline-6 configuration that offers up to 950 hp (708 kW), the QSK23 easily handles high load factors.

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X15 Performance Series (2021)

Featured Engine

X15 Performance Series (2021)

Built with uptime, improved total cost of ownership and ease of operations in mind, the 2021 X15 Performance Series is the first choice for drivers that need the power to perform.

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Cummins in Action


Case Study

Reducing greenhouse gas

The oil and gas industry’s environmental footprint differs between its upstream, midstream and downstream activities.

Find out why

Case Study

Stay compliant

There are two key exhaust emission regulations related to diesel engines most often used in mud pumps, frac rigs and mixers.

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