methods for connection parts of a mast of a drilling rig without using a crane or other lifting machine are disclosed . in certain aspects , these methods include moving parts of a mast to be assembled with trucks and positioning the parts with the trucks to facilitate their connection . this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims , 37 c . f . r . 1 . 72 .