11 Liter
Specs
Model Number 11 Liter Combustion System Spark-ignited Cooling System Water-cooled Displacement 673 cid (11,051 cc) Compression Ratio 10.5:1 Bore & Stroke 4.84 in x 6.1 in (123 mm x 155 mm) Fuel Type NATURAL GAS (NG), PROPANE (LP) Direction of Rotation Anti-clockwise viewed on flywheel