Mack Trucks Unveils EPA 2027-Compliant MP13 Engine with Improved Efficiency and Power
Mack Trucks has introduced the new MP13 diesel engine, meeting EPA 2027 standards while offering up to 3% better fuel efficiency and 20% more braking power.
540 hp
1,950 lb-ft
up to 3%
What Happened
The Mack MP13 delivers up to 540 horsepower and 1,950 lb.-ft. of torque with up to 3% improved fuel efficiency over previous models. It also provides stronger stopping power with up to 630 braking horsepower—a more than 20% improvement. The engine features enhanced combustion for lower emissions, an optimized torque curve at 900 RPM, a more efficient turbocharger, and advanced predictive software for smoother response.
540 hp, 1,950 lb-ft
Delivered by the new MP13 engine
“The MP13 represents years of engineering work to deliver an engine that meets the toughest emissions standards in our industry's history, but does so without asking our customers to compromise on power or efficiency.”
Orders begin for the EPA 2027 MP13 engine
Production of vehicles with the MP13 engine
Why this matters
The MP13 allows fleets to comply with stricter emissions rules without sacrificing performance, and its compatibility with renewable diesel and higher biodiesel blends supports lower-carbon fuel use.
Terms in This Story
- EPA 2027
- U.S. Environmental Protection Agency emissions standards taking effect in 2027 for heavy-duty engines.
- renewable diesel
- A fuel made from renewable sources that can replace petroleum diesel with lower carbon emissions.
- biodiesel
- A diesel fuel substitute produced from vegetable oils or animal fats, often blended with petroleum diesel.
- automated manual transmission
- A type of transmission that automates the clutch and gear shifts without requiring the driver to operate a clutch pedal.
Summarised from the linked release; details can be imperfect — always verify against the original source.