The 2010 and 2030 closer are not the same.
The 2010 Series closer uses the (larger) 4010 cylinder which requires a 4" minimum frame tube to mount in.
The 2030 uses the (narrow) "Pacer" cylinder...
The use of a 62A Shoe (required) would be used to mount a 4040XP Parallel Arm with a "SURFACE" GJ 70, 79, 81, 90, or 450 series stop. You would order the 4040XP with a Reg w/62A arm op...
Special template ST-2211 is used to mount a 2030 series closer with a GJ 70,79,81,90, and 450 series overhead stops. This ST works with any GJ "surface" mounted stop.
The 2030 closer cannot b...