Detroit Diesel 60 Series Crankshaft Alignment Tool J-45947 Alternative This alignment pin tool is used to ensure proper crankshaft alignment while checking camshaft timing and servicing. Pin will drop into the crankshaft locating hole, placing the No. 1 cylinder at top-dead-center (TDC). For use on Detroit Diesel Series 60 engines. Similar to J-45947. Detroit Diesel 60 Series J-45946 5882 DD60 Cam Gear Alignment Fixture Tool Alternative Heavy Duty Engine Repair Replacement Detroit Diesel 60 Series J-45946 5882 DD60 Cam Gear Alignment Fixture Tool Alternative.