17 Liter
Specs
Model Number 17 Liter Combustion System Spark-ignited Cooling System Water-cooled Displacement 1020 cid (16,720 cc) Compression Ratio 10.5:1 Bore & Stroke 5.00 in x 6.50 in (127 mm x 165 mm) Fuel Type NATURAL GAS (NG) Direction of Rotation Counter-clockwise viewed on flywheel