Engine Cooling System

Contact your engine distributor or servicing dealer to determine what the cooling system of this POWER TECH engine is filled with and the winter freeze protection level.

Solutions of antifreeze and supplemental coolant additives MUST be used year-round for freeze protection, boil-over protection, and to provide a stable, noncorrosive environment for seals, hoses and metal engine parts.

The following engine coolant is preferred for service:

• John Deere PREDILUTED John Deere TY16036 and TY16037 ANTIFREEZE/SUMMER COOLANT

The following engine coolant is also recommended:

• John Deere ANTIFREEZE/SUMMER COOLANT CONCENTRATE in a 40 to 60% mixture of concentrate with quality water.

• John Deere PREDILUTED John Deere TY16036 and TY16037 ANTIFREEZE/SUMMER COOLANT

This product contains all the necessary ingredients that make up the proper coolant solution: chemically pure water, ethylene glycol (low silicate antifreeze), and supplemental coolant additives (SCA). It is ready to use; no mixing is required.

John Deere Prediluted Antifreeze/Summer Coolant permits extended service life to 3000 hours or 36 months of operation. (Coolant meeting ASTM 5345)

IMPORTANT: If necessary, add prediluted coolants TY16036 and TY16037; never use water.

• John Deere ANTIFREEZE/SUMMER COOLANT CONCENTRATE TY16034 and TY16035

This product contains ethylene glycol (low silicate antifreeze), and supplemental coolant additives (SCA). It must be mixed with quality water, as described later in this section, before adding to the engine cooling system. The proportion of water to be used depends upon the lowest freeze protection temperature desired according to the following table:

% Concentrate	Freeze Protection Limit
40	-24° C (-12° F)
50	-37° C (-34° F)
60	-52° C (-62° F)

John Deere Antifreeze/Summer Coolant Concentrate has a service life of 2000 hours or 24 months of operation. (Coolant meeting ASTM 4985)

NOTE: Engine performance with proper coolants additives protect against corrosion and cylinder liner erosion and pitting and other damages to cooling system.

IMPORTANT: A mixing of solution ethylene glycol with water it doesn't provide the protection required.