The Cummins L10 and M11 are two popular diesel engines manufactured by Cummins Inc., an American company known for producing engines and power generation equipment. Both engines were part of the Cummins “L Series” and were widely used in a variety of applications, including heavy-duty trucks, buses, construction equipment, and industrial machinery.
Cummins L10: The Cummins L10 engine was first introduced in the late 1980s and remained in production until the early 2000s. It was a 10-liter (611 cubic inches) inline-six cylinder engine known for its durability and reliability. The L10 featured a mechanical fuel injection system and a robust design, making it suitable for demanding applications. It was available in various power ratings, typically ranging from 250 to 330 horsepower.
Cummins M11: The Cummins M11 engine succeeded the L10 and was produced from the early 1990s to the early 2000s. Like the L10, the M11 was also an inline-six cylinder engine but had a larger displacement of 11 liters (661 cubic inches). It featured an electronic fuel injection system, which provided improved fuel efficiency and emissions control compared to the mechanical system used in the L10. The M11 was available in power ratings ranging from 280 to 400 horsepower.
Both the L10 and M11 engines were well-regarded for their performance, longevity, and ease of maintenance. They played a significant role in the heavy-duty trucking industry and were also commonly used in applications such as buses and construction equipment. While these engines are no longer in production, many are still in operation today due to their durability, and parts and service support are generally available.
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