Detroit Diesel S60 Engine Specifications. Bore/Stroke: 5.1180-5.1200″, 6.299″. Compression Ratio: 15:1 OR 16.5:1. Comments: 4 Stroke, OHC, Diesel. Oil Pressure At Idle: 12 Psi. Oil Pressure: 50 at 1800 RPM. We back up our products 100%. UNSURE OF PART NUMBER? If this part number is not from your original unit, a parts book or your […]