Figures released by Central Scotland Police revealed 68 quad bikes ranging from ageing vehicles worth £100 to near-new machines worth £6000 were stolen from farms in Stirlingshire, Clackmannanshire and west Perthshire over the past five years.
Only 10 of the bikes were recovered, and the remaining 58 are worth an estimated total of £121,166.
Nine of the quad bikes were stolen in 2012, with 11 taken the previous year.
Nearly £40,000 worth of other machinery and equipment has been stolen from farms and not recovered since 2008.
The figures cover the Falkirk, Stirling and Clackmannanshire council areas.