supply of spares of bobyn wagon.spares of bobyn wagon.,hopper door pinion (bg) for bobyn wagon to i.r.s as per drg.no-w/dw-201,alt-1 [ warrant y period: 36 months after the date of delivery ] ] , bevel gear (bg) for hopper wagon type bobyn material and specification as per drg. no. w/ dw-195 item no-2, alt-latest, material and specification as per drawing. [ warranty period: 36 months aft er the date of delivery ] ] , gear box (rh) & gear box (lh) for bobyn wagon as per rdso drg no - sk-77550, item no.- 1& 2, alt-05. [ warranty period: 36 months after the date of delivery ] ] , set of pins of bobyn wagon to drg. no. wd-96021-s-05 alt-5, consist of (1) pin at location no. 2, size (l=130 mm x dia. 28 mm) qty.01 no. (2) pin at location no. 4, size (l=97 mm x dia. 36 mm) qty.01 no. (3) pin location no. 5, size (l=97 mm x dia 28 mm), qty. 02 no. (4) pin location no. 7, size (l=71 mm x dia. 28 mm) qty.01 no., other dimensions as per drawing and matl. & spec. as per is:2062/2011 grade e25 0a amndt. no. 1. [ warranty period: 36 months after the date of delivery ] ]