Top Dog XDO 15W-40
Premium Diesel Engine Oil

Grade: API CI4/SL
Class: SAE 15w/40

Top Dog XDO offers:
– Extended drain intervals for more up time.
– Reduced oil consumption.
– Greatly reduced engine wear giving extended engine life.
– Superior sludge and soot control for a cleaner engine.
– Certified as Mack Trucks USA EO-M lubricant.
– Very good low temperature viscometrics for reduced wear at start up.