A description referring to fig1 upper sucker rod 8 and lower sucker rod 9 can each include threaded pin 10 that screws into coupling 11 shoulder 12 of upper sucker rod 8 and lower sucker rod 9 can be machined to bear against axial face 13 of coupling 11 upper sucker rod 8 and lower sucker rod 9 can be provided with a set of wrench flats 15 suitable to be engaged by sucker rod cd tong assembly 14 used for screwing together and tightening the sucker rods referring to fig2 cd tong assembly 14 and lower sucker rod 9 with rod coupling 11 is shown engaged with lower back up wrench 17 of the cd tong assembly 14 to tighten the threaded connection between upper sucker rod 8 and lower sucker rod 9 to a required circumferential displacement cd tong assembly 14 can first be maneuvered to engage with mating rod flats 15 of upper sucker rod 8 and lower sucker rod 9 on either side of rod coupling 11 then cd tong assembly 14 can be activated to rotate the connecting threads of upper sucker rod 8 and lower sucker rod 9 into rod coupling 11 to a hand tight shoulder circumferential start position in some embodiments cd tong assembly 39 s 14 first gear hydraulic motor drive stage 25 does not have the mechanical ability to exceed the rotational forces required to exceed a hand tight connection between upper sucker rod 8 and lower sucker rod 9 and the rod coupling once the rotational force is achieved to a hand tight shouldered position of the sucker rod connection a hydraulic sequence valve can automatically shift and engage second gear hydraulic cylinder linear drive stage 30 of cd tong assembly 14 which can comprise linear hydraulic cylinder.