21R7 (10.5HP) / 21R8 (11.5HP) / 31R5 (13.5HP)/ 31R6 (14.5HP) / 31R7 (15.5HP) / 31R8 (16.5HP)/31R9 (17.5HP) / 33R7 (18.5HP) /33R8 (19HP)- Models-Intake Series-Vertical Engines,

Toro LX426, 74433 74573 74582 71252 71253

Briggs and Stratton 210700 210702 210807 212700 212702 212707 212802 212900 212902 212907 214707 215700 215702 215705 215707 215802 215807 215900 216900 217800 219800 21B800 28BH00 31A500 31A700 31C700 31E500 31E700 31G700 31K700 31M700 31M900 31N800 31P700 31P900 31Q700 282H00 31E877 31B700 21A800, 4 Cycle Small Engine Camshaft