Air Balanced Pumping Unit

912-305-168 Lufkin Air Balanced pumping unit.
Pumping heavy sweet crude from the Heath formation just north of Dickinson, ND.
-Credit goes to Jerry Wick.
- For more details, please refer to the article "10 Types of Rod Pumping Units". Link: production-tec...

[@Vito-hw5nb]

Those SRP look cute

[@JerryWick]

This is my video, please add my credit