Opening of Bids - Spec K - One or More 2018 or Newer 1.0 Cubic Yard Loaders-Backhoes - MacAllister Machinery Co Inc

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• The engine shall have front and rear crankshaft oil seals that are "lip" type Viton and PTFE designs featuring an integral dust lip. • The engine shall have nitrided, martensitic chrome silicon steel inlet valves and nitrided, austenitic chrome manganese -nickel steel exhaust valves for durability. • The engine shall have a high strength, deep skirt cylinder block that is a cast iron alloy, monobloc design for increased strength and long life. The engine shall have a high strength cylinder head that is a cast iron alloy construction with extra duty wall and deck thickness, including intake and exhaust ports that are precision cast to promote optimum gas flow. The engine shall have a high pressure, direct injection fuel system providing accurate fuel delivery with a mechanically driven fuel transfer pump for reliability. Engine shall have a fuel filtration rating of no more than 10-micron for the primary fuel filter water separator. Engine shall have a secondary fuel filter with a rating of no more than 4-microns. Engine shall have a vertical spin -on fuel filters. Engine shall be equipped with electric fuel priming pump as standard equipment. Engine shall have a waterlsediment bowl with water separator service indicator light. • The engine shall have an internally mounted, dry -type, perimeter seat air cleaner with an integral precleaner, automatic dust ejection system, and filter condition indicator. • The engine will have a standard glow plug starting aid for efficient cold weather starting to —20 degrees F (-28 degrees C) without using ether. • The engine shall have a high contact ratio gear train, peripheral fixed isolation top cover and open deck block design to reduce bare engine noise. * Heat exchangers shall be located within the engine compartment for easy service access. • Engine shall be protected to a minimum -34 degrees IF (-36.7 degrees C) with extended life antifreeze that needs not to be replaced for 5 years. • Optionally, engine shall be protected to a minimum -58 degrees F (-50 degrees C) with extended life antifreeze that does not need to be replaced for 5 years. • Engine cooling fan shall have a heavy-duty guard that fully prevents human contact while in operation, * Radiator shall have a heavy-duty guard to resist continued impact at low speeds. • Coolant circulation shall be provided by a gear -driven water pump, not solely belt driven, to prevent accessory belt slip and continue coolant circulation in the event of a belt failure. • Engine shall be equipped with an alternator that has a charging capacity of minimum 150 amperes. • Engine shall be equipped with one maintenance -free 880 CCA battery, with the option for two such batteries. Engine shall be equipped with a 12-volt direct -electric starting and charging system. Machine shall be equipped with a standard battery disconnect switch Engine shall be equipped with a single, automatically tensioned, serpentine accessory belt. Engine air filter shall have a pre -cleaner and a dust ejector.