Section 4(2)(d) in Rajasthan State Highways Fee (Determination of Rates and Collection) Rules, 2015
(d)"heavy construction machinery" or "earth moving equipment" or "multi axle vehicle" means heave construction machinery or earth moving equipment or mechanical vehicle including a multi axle vehicle with three to six axles or vehicle with a gross vehicle weight exceeding twenty thousand kilograms but less than sixty thousand kilogram; and