39000 MI or 62400 KM

Lubricate
    Drive/Propeller Shaft
      Lubricate daily if operated in water.
    Clutch Linkage
    Brakes and Traction Control
      Lubricate body actuating mechanisms.
    Body and Frame
      Lubricate body actuating mechanisms.
    Axle Pivot Bushing
      Heavy Duty Service
    Axle Joint
      Heavy Duty Service
Check
    Fluid - Transfer Case
      Check fluid level.
    Fluid - M/T
      Check fluid level.
    Fluid - A/T
      Light Duty Cycle
    Clutch Fluid
      Check fluid level.
Inspect
    Air Injection
      Inspect air injection system.
Replace
    Oxygen Sensor
      Or as indicated by emissions maintenance light.
    Engine Oil
      If your mileage is less the 7,500 miles a yearly, replace the engine oil filter at each oil change.