1969 Cardwell KB single/double workover rig (Serial #40985) featuring a tandem steer/tandem drive carrier with a Detroit Series 50 engine and Allison 4460 transmission both freshly rebuilt in May 2018. The 69-foot telescoping mast is rated to 140,000 pounds hook load with 2,400-meter racking capacity. The complete package includes a mobile pump and tank unit on a 48-foot Kenworth tri-axle trailer with a SJ Petro 300 triplex pump.