supply of 1) hex head bolt for modified tamping tool size- m20x80, specification-10.9 grade hts, half-thread, pitch-1.5 mm, make-tvs, lps, unbrako or similar. 2) system pump (sqrs) simplex part no. 6192 250 02 00b and eaton part no. 3520 vq 25 a 12 11 ad20, make: simplex, eaton / danfoss. (as per policy of procurement of spare for track machines attached). (note: - suppliers who have supplied the indented item/similar item of offered brand/make to track machine department of any of zonal railway in last 05 years with satisfactory performance report and one to one fitment of indented item.) 3) hydraulic motor as per simplex part no. 6192 250 04 00b and veljan-denision part no. m3b-036-in00b1-02-inr, make: simplex, veljan-denision (as per policy of procurement of spare for track machines attached). (note: - suppliers who have supplied the indented item/similar item of offered brand/make to track machine department of any of zonal railway in last 05 years with satisfactory performance report and one to one fitment of indented item.)1) hex head bolt for modified tamping tool size- m20x80, specification-10.9 grade hts, half-thread, pitch-1.5 mm, make-tvs, lps, unbrako or similar. 2) system pump (sqrs) simplex part no. 6192 250 02 00b and eaton part no. 3520 vq 25 a 12 11 ad20, make: simplex, eaton / danfoss. (as per policy of procurement of spare for track machines attached). (note: - suppliers who have supplied the indented item/similar item of offered brand/make to track machine department of any of zonal railway in last 05 years with satisfactory performance report and one to one fitment of indented item.) 3) hydraulic motor as per simplex part no. 6192 250 04 00b and veljan-denision part no. m3b-036-in00b1-02-inr, make: simplex, veljan-denision (as per policy of procurement of spare for track machines attached). (note: - suppliers who have supplied the indented item/similar item of offered brand/make to track machine department of any of zonal railway in last 05 year