EUROPE Search CONSTRUCTION CONSTRUCTION ENGINES Skip to related links Your job site needs more power, less hassle. Powering construction jobsites around the globe, Cummins construction engines are the driving force behind the world’s finest construction applications. With ratings from 49-1200 hp (37-859 kW), our diverse construction engine lineup offers the flexibility to meet your specific power solution needs. PERFORMANCE SERIES ENGINES Cummins next-generation engines let Original Equipment Manufacturers and their customers do MORE WITH LESS: MORE PERFORMANCE LESS FUEL USED MORE MACHINE CAPABILITY LESS MAINTENANCE MORE PRODUCTIVITY LESS INSTALLATION COST MORE RELIABILITY LESS WEIGHT AND SIZE MORE UPTIME MIDRANGE ENGINE EGR-FREE DESIGN DELIVERS MORE. F3.8 | B4.5 | B6.7 | L9 Simpler, easier installation with greater flexibility for global markets Higher power density with greater low-end torque for improved productivity and efficiency Lower total cost of ownership with extended maintenance intervals and improved fuel economy Horsepower is increased by up to 10%, with peak torque increased by as much as 20% Single Module Aftertreatment system takes up 50% less space and is 30% lighter than prior aftertreatment system PROVEN TECHNOLOGY. HEAVY-DUTY PERFORMANCE X12 | X15 Utilizing the proven technology from our Tier 4 Final engine models, our Cummins Heavy Duty X12 and X15 engines are now being utilized in larger equipment and experience greater load factors. With the minor modifications made to reach Stage V emissions standards, not only does this make design and integration easier for OEMs, but provides customers with total confidence in a product they know and trust. Products Use the full Product Finder to search or filter by product details. X12 (2021) Power 350 - 500 hp Torque 1250 - 1700 ft-lb /engines/x12-2021 Power Units - Stage V Power 100 - 675 hp Torque 443 - 2050 ft-lb Certification EU Stage V /engines/power-units-stage-v X15 (Stage V) Power 450 - 675 hp Torque 1600 - 2050 ft-lb Certification EU Stage V /engines/x15-stage-v X12 (Stage V) Power 335 - 513 hp Torque 1250 - 1696 ft-lb Certification EU Stage V /engines/x12-stage-v L9 (Stage V) Power 295 - 430 hp Torque 1085 - 1361 ft-lb Certification EU Stage V /engines/l9-stage-v B6.7 (Stage V) Power 155 - 326 hp Torque 550 - 1014 ft-lb Certification EU Stage V /engines/b67-stage-v B4.5 (Stage V) Power 121 - 200 hp Torque 369 - 575 ft-lb Certification EU Stage V /engines/b45-stage-v F3.8 (Stage V) Power 74 - 173 hp Torque 295 - 457 ft-lb Certification EU Stage V /engines/f38-stage-v QSX15 (Tier 4 Final/Stage IV) Power 450 - 675 hp Torque 1650 - 2050 ft-lb Certification EPA Tier 4,EU Stage I /engines/qsx15-tier-4-finalstage-iv QSG12 (Tier 4 Final/Stage IV) Power 335 - 512 hp Torque 1700 - 1700 ft-lb Certification EPA Tier 4,EU Stage I /engines/qsg12-tier-4-finalstage-iv QSL9 (Tier 4 Final/Stage IV) Power 250 - 400 hp Torque 1200 - 1200 ft-lb Certification EPA Tier 4,EU Stage I /engines/qsl9-tier-4-finalstage-iv QSB6.7 (Tier 4 Final/Stage IV) Power 146 - 310 hp Torque 760 - 760 ft-lb Certification EPA Tier 4,EU Stage I /engines/qsb67-tier-4-finalstage-iv 1 - 12 of 54 PAGINATION Current page 1 Page 2 Page 3 Page 4 Page 5 Next page Next › Last page Last » Back to top Footer menu News Partners Careers Support Twitter Facebook YouTube LinkedIn Instagram LinkedIn Instagram Twitter © 2021 Cummins Inc., Box 3005, Columbus, IN 47202-3005 U.S.A. Footer links Accessibility Privacy and Legal Site Map We'd welcome your feedback! Would you take a brief survey so we can improve your experience on our site? Yes, I'll give feedback No thanks Powered by ForeSee