Service - 50 FM25/FM25X Operator’s Manual
Recommended Lubricants/Service Key
Engine Oil Temperature Chart
Approved Coolant
This unit was filled with Fleetguard
®
ES Compleat™ coolant (blue in color) before shipment from factory.
This coolant is available, pre-diluted, from your Ditch Witch
®
dealer as part number 255-1055. Add or
replace with heavy duty diesel engine coolant meeting ASTM D6210.
NOTICE:
• Use only pre-diluted coolant or concentrated coolant mixed with distilled water. Do not use tap
water.
• Do not use water or high-silicate automotive-type coolant. This will lead to engine damage or
premature engine failure.
• Do not mix heavy-duty diesel engine coolant and automotive-type coolant. This will lead to coolant
breakdown and engine damage.
Temperature range anticipated before next oil change