The Caterpillar 3508 pump drive engine is an V-16, 4-Stroke-Cycle-Diesel engine with a 170.0 mm (6.7 in) bore, 190.0 mm (7.5 in) stroke and 69 L (4211.0 in³) displacement. The Caterpillar 3516 pump drive engine is rated at 1750 RPM and rated at 1985 BHP (1480 bkW)....