General data, Engine, Manufacture briggs & stratton – Hale MiniCAFS 2.1A (MC50 with FoamLogix System) User Manual
Page 6: Model 18hp vanguard, Bore & stroke 72.5mm x 70mm, Capacity 570 cc, Number of cylinders 2 cyl vee, Number of main bearings 2, Lubrication pressurised full flow system, Service oil fill capacity 1.7 litres
