Okla. Stat. tit. 69, § 69-636.2: Revolving fund to be used to purchase road and bridge

construction and maintenance machinery and equipment.

The Department of Transportation is hereby authorized to use the

County Road Machinery and Equipment Revolving Fund to purchase new

or used road and bridge construction and maintenance machinery and

equipment for lease or lease-purchase to counties. Such machinery

and equipment shall include, but not be limited to, the following:

asphalt pavers, automobiles, backhoes, bridge painting machines,

cranes, elevating graders, fork lifts, front-end loaders, motorized

weed sprayers, mowers, paving breaker tampers, pickups, power

shovels, snow plows, street sweepers, trucks and wheel and crawler

tractors. The Department of Transportation may make such purchases

only if requested to do so by a board of county commissioners or

circuit engineering districts pursuant to the provisions of Section

302.1 of this title, and may not act in behalf of any county in the

purchase of any road machinery or equipment except as provided for

in this act.