Timber loader for Rolly tractors. . Turn your Rolly from loader into a log lifter or silage grab with this Rolly grab bucket.. This bucket will only fit Rolly tractors that have the detachable front bucket.. Will fit the Following. Rolly Farm Trac. Rolly X Trac. Rolly X Trac Premium. Will not fit the following. Rolly Kid. Roly Junior