We stock 05w30 fully sysntetic engine oil. Sold by the litre. 
The Hatz engine requires 2 Litres and the Kubota engine requires 3.5 litres. 
 
Image for illistration purposes, Brand may differ depending on stock.  All oil we stock will be 05w30 specification. As required by the Bobman Manufacturer for both Kubota and Hatz powered machines.