Specifications

Proposal Number PSDF #P09-0004
panel.
ENGINE COOLANT RADIATOR
The engine coolant radiator shall have sufficient capacity to perform under the engine manufacturer
installation requirements. The chassis manufacturer shall demonstrate the ability to meet this requirement
with the submittal of an approved EPQ to the fire department for the apparatus.
COOLANT RECOVERY SYSTEM
A coolant recovery system shall be installed on the chassis. This tank is designed to capture coolant
overflow when the engine coolant warms and expands. As the engine cools the overflow is then pulled out
of the tank and back into the radiator, thus maintaining proper coolant levels.
CHARGE AIR COOLER RADIATOR
The engine charge-air cooler shall have sufficient capacity to perform under the engine manufacturers
installation requirements. The chassis manufacturer shall demonstrate the ability to meet this requirement
with the submittal of an approved EPQ to the fire department for the apparatus.
COOLANT
The coolant system shall contain an ethylene glycol and water mixture to keep the coolant from freezing to a
temperature of -34 degrees F.
COOLANT HOSES
The entire chassis cooling system shall have premium rubber hoses. All clamps to be stainless steel worm
drive type clamps.
SPARK ARRESTOR
A spark arrestor shall be installed in the chassis air intake system. This arrestor shall be mounted behind the
intake grille to filter out airborne embers.
HORTON FAN
A HORTON or equal fan clutch shall be installed on the engine. A manual switch shall be provided, in the
dash, to over ride the fan control in event of fan failure or conditions that may result in overheating of the
engine.
EXHAUST SYSTEM
A single stainless steel exhaust pipe shall be provided for the engine. The exhaust pipe shall be supplied
with a heat wrap that extends from the engine turbo charger to just below the frame rail.
The exhaust tubing from the turbocharger to the exhaust aftertreatment device shall be stainless steel.
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