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																Apr 11, 2016 
															                                         
															                                        
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															  The wheeled AP500F and tracked AP555F have a 144-horsepower Cat C4.4 ACERT engine, which along with the Eco-Mode setting, optimizes fuel economy and reduces sound levels, the company says. An integrated generator powers a new screed-heating system. It connects directly to the engine and combines with the heat-distribution system of the SE50-Series screeds to																													
																																								  
																											









