Engines | Mounts, , Used 1995 Mack E7 Engine, S/N 5Y1597, Family# 46, 427HP@1800RPM, Tested and Inspected, Runs Perfect, Comes with Warranty, For more information about this engine or any other diesel engine you need please call 800-738-7802, or visit www.bootsandhankstruckparts.com. WE BUY TRUCK SALVAGE!!!