MEMORANDUM TO: Holders of Contracts Documents FROM: Karen ...

4.2 Vehicles are to be equipped with tubeless, all-season, steel belted radial tires of minimum size LT
225/75R16E BSW-AS, and a 10-ply rating, or load range E, with the exception of the 138” SRW, which
shall be a minimum size of 245/75R16E BSW-AS, and a 10-ply rating, or load range E
4.3 One (1) full size OEM spare tire, mounted on a 8 hole steel disc, Oxford white (inside and out), shall
be provided for each vehicle.
4.4 All wheels and tires are to be interchangeable.
4.5 Deleted.
5 ENGINE
5.1 Engine shall be heavy-duty truck-type low emissions gasoline flex-fuel engine, if available, or diesel
engine with quality of bearings, pistons and crankshaft designed for sustained full-load operation. The
best available valve seats exhaust valves and valve rotators are required. Engine shall be equipped with
ETC Electronic Throttle Control and Active Fuel Management.
5.2 The engine displacement shall be as required to meet the performance requirements for each
vehicle type. A V-8 configuration is preferred. All gas engines shall be compliant with EPA Clean emission
standards at the time of manufacturer and where available from the OEM chassis manufacturer, be
approved to operate on E85, a blend of 85% ethanol mixed with gasoline or any combination of the two
not to exceed the aforementioned ratio. All diesel engines shall be compliant with EPA Clean emission
standards at the time of manufacturer and be approved to operate on Ultra Low Sulfur Diesel (ULSD) or
Biodiesel up to B20 or any combination of the two.
5.3 The engine shall be furnished with a large capacity full flow oil filter of the spin-on type. The filter
shall be easily reached and replaced without removal of any major component in addition to an auxiliary
oil cooler mounted in front of the engine behind the grill to help the engine oil maintain proper
operating temperature, preventing oxidation and increasing the oil’s lubricating and protecting
properties.
5.4 A dry-type air cleaner must be provided.
5.5 The engine compartment shall have an inside hood release/locking device.
5.6 The engine and exhaust system must meet all applicable federal standards for noise level and
emissions. The exhaust shall be routed to the left rear corner.
5.7 A sound reduction package from the OEM shall be included with the engine and shall be provided to
include dash sound/heat absorption, external engine cover insulator and instrument panel insulation.
5.8 Chassis shall be equipped with the OEM speed control (road speed governor), preset by the chassis
OEM to a maximum speed of 65 mph (70 mph for the diesel engine). An Intermotive Speed Sentinel II
Programmable Road Speed Limiter, or Approved Equal, shall be provided when an OEM speed control is
not available.
5.9 A driver adjustable cruise control shall not substitute for the road speed governor requirement.
5.10 An automatically engaging "engine fast-idle" system with a manual override button shall be
installed in the dash area or in a separate panel within easy reach of the seated driver.
5.11 A fuel line water separator and engine block heater shall be proved for the diesel engine option.
5.12 A chassis manufacturer’s auxiliary engine oil cooler shall be provided. Aftermarket oil cooler shall
not be accepted
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