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																Mar 24, 2016 
															                                         
															                                        
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															Volvo’s new powertrain option makes a 12-speed transmission into a 13-14 speed gearbox. New for 2017 trucks, Volvo is now offering its I-Shift powertrain automated manual transmission with a crawler gear option – a system entirely unique for series-produced heavy trucks Volvo I-Shift with Crawler Gears is for applications requiring a slow speed and maneuverability																													
																																								  
																											

