Semi trucks horsepower stays within 400 to 600 range depending on the model and truck size. Very powerful machines. The more powerful the HP, the more worthwhile to consider things like weight, and fuel economy. SEMI TRUCK ENGINE FACTS
Semi truck engine sizes are 6 times larger than average passenger car motors.
Average Semi truck horsepower is 400 - 600 hp, and average lb-ft of torque ranges 1,000 - 2,000.
Semi truck motors should be shut off only for oil change or mechanical services or if there is anti-idle law in the area.
Commercial trucks have 12 and more gears
Semi truck engines can hold 15 and more gallons of oil which is more than 3 times what car can hold.
These are some of the best semi truck motors in the market.
Navistar: Navistar manufactures various strong engines for Class 5 and Class 6 trucks for lighter duty works, as well as a powerful Cummins for Class 8 trucks. Cummins ISX, well known heavy-duty motors, produces 400 to 600 hp and up to 2,050 lb-ft of torque.
PACCAR: Most Kenworth and Peterbilt trucks use PACCAR enginesnd include which have pretty impressive torque ratings. They give up to 500 hp and 1,850 lb-ft of torque.
Volvo makes 13L and 16L engines with horsepower and torque ratings of about 600 and 2,050, respectively. The 13L engine is the most popular option and found inside many of their trucks.
Freightliner manufactures 13L, 15L, and 16L motors, taken from Mercedes-Benz design. They have up to 600 hp and 2,050 lb-ft of torque.
LEARN MORE FROM THE EXPERTS AT KANSAS CITY SEMI TRUCK REPAIR.
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"Had a truck break down right outside of Kansas City on i-70 and these guys showed up in amatter of 30 minutes. Told them what was wrong with the truck on the phone and they came with the necessary parts and fixed my truck quick." Jorge Flores
"They fixed my trailer tire. They did their job fast." Orlando Xpress driver "They were nice on the phone and in person. Much needed quality these days. Thank you" E. Shepherd