57000 MI or 91200 KM

Check
    Fluid - A/T
      Light Duty Cycle
    Clutch Fluid
      Check fluid level.
Inspect
    Air Filter Element
      Clean and inspect. Inspect air inlet pipe also.
Replace
    Engine Oil
      If your mileage is less the 7,500 miles a yearly, replace the engine oil filter at each oil change.
Rotate
    Tires
      Heavy Duty Service Interval