What is an unsafe oil temp?

What is an unsafe oil temp?

A quality conventional motor oil will tolerate oil sump temperatures of up to 250 degrees, but starts breaking down over 275 degrees. The traditional approach is to try to hold oil temperatures between 230 and 260 degrees.

What is the best oil for Paccar MX-13?

SAE 15W-40 API CJ-4. 10W-30 can be used if the engine has received Engine Service Bulletin E070 or more current software. Line Haul oil change interval is 40,000 miles when above 6 MPG.

How many gallons of oil does a Paccar MX-13 hold?


Displacement 12.9 liters
Oil System Capacity 42 U.S. quarts
Horsepower 380-500 hp
Peak Torque 1,450-1,850 lb.-ft.
Governed Speed 2,200 rpm

Is oil temp the same as engine temp?

Nope. Oil temperature is actually much more indicative of your engine’s operating temperature, and the oil system performs nearly half of your engine cooling.

What should my oil temp gauge read?

The ideal engine temperature should be somewhere between 195 and 220 degrees. An engine is operating normally when the needle points at the center or near the center of the gauge. Don’t worry if the needle does not exactly sit in the middle of the gauge.

How often do big rigs change oil?

10,000 to 25,000 miles
If you wonder how often to change semi-truck oil, the answer varies between different drivers and vehicles. The average lifespan of an oil change on a truck is anywhere from 10,000 to 25,000 miles.

How much horsepower does a mx-13 have?

510 horsepower
The PACCAR MX-13 delivers consistent power and torque across a wide operating range — up to 510 horsepower with 1,850 lb. -ft. of torque. Fine-tuned to your precise operating requirements, this engine gives you more flexibility, more low-end power, higher fuel efficiency and a greatly enhanced driving experience.