Lufkin 912 Rebuilt and Refurbished Pumping Unit Gear Box For Sale $21,500.00 Lufkin 912 Rebuilt and Refurbished Pumping Unit Gear Box For Sale 912 Gear Boxes steve April 28, 2021 Lufkin 912 Rebuilt and Refurbished Pumping Unit Gear Box For Sale Price includes exchange of your old box Other size gear boxes and Other Brands […]