4.2: Tractors and Equipment
Nebraska Tractor Tests
The University of Nebraska Tractor Test Laboratory is the officially designated tractor testing station for the United States and tests tractors according to the codes of the Organization for Economic Co-operation and Development.
The site contains information about many equipment manufacturers.
This site contains a listing of used tractors and equipment.
A listing of custom rates for Pennsylvania compiled by the National Agricultural Statistics Service (NASS) for various tasks over several years.