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Off-highway engines

Our diesel, natural gas, and alternative fuel engines are built with innovative technology to power your off-highway and industrial applications.

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Applications and industries

View our off-highway applications and request a quote for specialized assistance in specing the exact power you need.

Browse engine products

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Explore Our Engine Series

Discover the perfect engine for your needs.

X15 Efficiency Series (2024)

Power

400 - 500 hp

X15 Performance Series (2024)

Power

525 - 565 hp

X12 (2024)

Power

350 - 500 hp

Powering Your Every Need

We deliver efficient solutions designed specifically for you.

X12 for Heavy-duty Truck (2024)

Power: 260 - 380 hp

Torque: 860 - 1250 lb-ft

X12 for Motorhome and RV (2024)

Power: 350 - 500 hp

Torque: 1250 - 1700 lb-ft

X12 for Fire and Emergency (2024)

Power: 350 - 500 hp

Torque: 1250 - 1700 lb-ft

L9 for Medium-duty (2024)

Power: 350 - 500 hp

Torque: 1250 - 1700 lb-ft

Explore Our Engine Options

Discover high-performance engines designed for diverse applications.

L9 for School Bus (2024)

Power

260 - 360 hp

L9 for Transit Bus (2024)

Power

260 - 360 hp

X15 Performance Series (2021)

Power

525 - 565 hp

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