In September 2017, Stair replaced the rig’s 425-hp Cat and 18-speed with a 600-hp 12.7-liter Detroit 60 Series with a 9-speed Eaton and 3:55 rears.
In September 2017, Stair replaced the rig’s 425-hp Cat and 18-speed with a 600-hp 12.7-liter Detroit 60 Series with a 9-speed Eaton and 3:55 rears.