Variable Speed Page 3 – Cooling System
John Deere Marine Variable Speed Engine Application Review Form – April 2025
Cooling sections are controlled by Page 1 selections: Cooling Type and Aftercooler Equipped.
Cooling System General
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Engine Coolant Type
Cool-Gard II
Other
Engine Coolant Type Other Description
John Deere Cooling System
Yes
No
Expansion Tank Volume
qt
L
Block / Coolant Heater
Yes
No
Expansion Tank Relative to Top Tank
Above
Below
Height Relative to Top Tank
in
cm
Radiator Cap in Use
Yes
No
Radiator Cap Pressure
psi
Remote Top Tank Volume
qt
L
Auxiliary Coolant Utilized
Yes
No
Example: cab heat.
Remote Top Tank Relative to Top Tank
Above
Below
Remote Top Tank Height Relative to Top Tank
in
cm
Coolant Line Diameter
in
cm
Auxiliary Coolant Location — Out of Engine
Auxiliary Coolant Location — Return to Engine
Outlet Line Diameter
in
cm
Comments
Cooling System — Radiator Cooled
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This section is visible when Page 1 Cooling Type is set to Radiator Cooled.
Radiator Make/Model
Radiator Part Number
Radiator Flow Type
Vertical
Cross
Cooling Fan Make/Model
Cooling Fan Part Number
Cooling Fan Type
Blower
Suction
Radiator / Fan Material
Fan Diameter
in
cm
Distance From Core
in
cm
Fan Drive Ratio
:1
Fan Power Included in Powered Components Box Above
Yes
No
LAT
°F
°C
Reference AG-04 for test procedure.
Radiator Comments
Aftercooler — HFM Engines Only
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This section is visible when Page 1 Aftercooler Equipped is checked.
Aftercooler Make/Model
Aftercooler Part Number
Aftercooler Height
Aftercooler Width
Aftercooler Thickness
Aftercooler Dimension Unit
in
cm
Air Duct Diameter
in
cm
Aftercooler Comments