12 3/4" X 24"  X 1 1/2" INCHES

3/4" FPT, FITTING SIZE

3-24 GALLONS PER MINUTE FLOW

28,100 - 44,300 BTU/HR @ 2500 FPM AIRFLOW @ 100 DEGREE  F, OIL TO AIR

These coolers are designed for rugged heavy duty applications. 

They can be used for many different cooling applications.  

These include, transmissions fluids, engine oil, gear boxes, hydraulic oils and diesel fuel applications.  

The Hayden Heavy Duty Coolers feature brazed copper tubes with aluminum fin construction.  

Turbulators in every tube provide 3 1/2 times more cooling surface than bare tubes.

 The Hayden OC-1260 is considered an add on cooler for the following transmissions.

Transmission Models:

AT 540, 542, 545 Series, the 545 flows 4.5 GPM, 150 HP

 MT 40, 41, 42 Series, flow 8.0 GPM, 150 HP

*NOTE* with any cooler application, know your required flow (gpm) of your transmission, 

engine or any other application to get the correct cooler.  

If you install a cooler with not enough flow, you will burn up the equipment that you are trying to cool off.