General information/Coolant specifications CTM3274 (01JUL99) 01-8 Saran Liter Engines 060799 PN=25 DIESEL ENGINE COOLANT The engine cooling system is filled to provide water is recommended for mixing with ethylene glycol year-round protection against corrosion and cylinder base engine coolant concentrate. liner pitting, and winter freeze protection to -37˚C (-34˚F). IMPORTANT: Do not use cooling system sealing additives or antifreeze that contains John Deere COOL-GARD is preferred for service. sealing additives. If John Deere COOL-GARD is not available, use a Coolant drain intervals low silicate ethylene glycol base coolant concentrate in a 50% mixture of concentrate with quality water.
Drain the factory fill engine coolant, flush the cooling system, and refill with new coolant after the first 3 The coolant concentrate shall be of a quality that years or 3000 hours of operation. Subsequent drain provides cavitation protection to cast iron and intervals are determined by the coolant used for aluminum parts in the cooling system. John Deere service. At each interval, drain the coolant, flush the COOL-GARD meets this requirement. cooling system, and refill with new coolant. A 50% mixture of ethylene glycol engine coolant in When John Deere COOL-GARD is used, the coolant water provides freeze protection to -37˚C (-34˚F). If drain interval is 3 years or 3000 hours operation.
protection at lower temperatures is required, consult your John Deere dealer for recommendations. If COOL-GARD is not used, the drain interval is reduced to 2 years or 2000 hours of operation. Water quality is important to the performance of the cooling system. Distilled, deionized, or demineralized DX,COOL8 -19-12FEB99 01 8