The 2021 L9 delivers class-leading power and torque ratings, an unmatched power-to-weight ratio, and the dependability and uptime you expect from Cummins. But we didn’t stop there. The 2021 L9 Productivity Series engines are up to 1.5% more fuel efficient than the 2017 models.

Cummins L9 is a medium-duty engine with heavy-duty components and performance characteristics, including an 8 percent increase in power and a 13 percent increase in torque versus the current model. Increased fuel economy and longer maintenance intervals contribute to a reduced cost of operation and lower Total Cost of Ownership.

The ISL 9 and current L9 engines are not related to the L10 engine, but instead based on the smaller C-series platform with the 135 mm stroke of the C8.3 enlarged to 144.5 mm, together with 4 valves per cylinder, giving it 8.9 litres displacement.

2024 L9 engines do more than just provide the power, reliability and durability you need to get the most difficult jobs done. With ratings ranges of 260 hp to 380 hp (194-283 kW) and up to 1,250 lb-ft (1,695 N • m) of peak torque, the L9 is designed to excel in some of the toughest duty cycles. High-strength components and features, like

Improved Reliability – higher temperature capability for head gasket and turbo actuator, oil pan rail sealing, air handling improvements, and aftertreatment sensing technology improvements.

The Cummins L9 engine, manufactured since 2019, is a machine component with a displacement of 8.9 liters and a weight of 708 kilograms. It features 6 cylinders and a maximum torque of 1846 Nm. The engine has a minimum power output of 209 kW and a maximum power output of 321 kW, with an RPM of 2100.

Reman Cummins stock replacement Holset turbo. This Holset turbo comes with the gaskets required for installation as well as the actuator preinstalled and calibrated on the turbo! There is a 1 year unlimited mile warranty on this turbo.

The Cummins L9 is serious business, assembled with high-strength components and equipped with the latest technology to take on even the toughest medium-duty applications. The L9 also delivers outstanding fuel economy and up to 380 hp (283 kW) and …

The 2024 L9 engines do more than just provide the power, reliability and durability you need to get the toughest jobs done. The 2024 L9 delivers class-leading power and torque ratings, an unmatched power-to-weight ratio, and the dependability and uptime you expect from Cummins.