Introduction 6105 and 6125 Engine Cutaway View RG8435 –UN–12JUL99 Engine Cutaway View A—Oil Cooler E—Crankshaft I—Piston Rings M—Valves B—Oil Pump Drive Gear F—Cylinder Liner J—Connecting Rod N—Electronic Unit Injector C—Idler Gear G—Cylinder Liner O-Rings K—Oil Spray Jet O—Two-Piece Rocker Arm D—Camshaft Gear H—Piston L—Camshaft Shaft RG,RG34710,8 –19–30SEP97–1/1 CTM100 (06APR04) P OWER T ECH 10.5 L & 12.5 L Diesel Engines 040604 PN=12