Ditch Witch MR90 - Manual (Page 89)

Service - 88
MR90 Operator’s Manual
150 Hour
CMW
®
Change Engine Oil and Filter
Change engine oil every 150 hours while oil is
warm and with unit parked on level ground.
1. Open drain (3).
2. Drain crankcase while oil is warm.
3. Replace filter (4).
4. Close drain.
5. Add approximately 4.2 qt (4 L) DEO at fill (2)
until oil level is at highest line on dipstick (1).