JLG 600S Operation And Safety Manual page 153

SECTION 7 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
14. Engine Coolant - Deutz D2.9
Lube Point(s) - Fill Cap
Capacity (Deutz 2.9L)- 13.2 quart (12.5 L)
Lube - Anti-Freeze
Interval - Check level daily; change every 1000 hours or two
years, whichever comes first.
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