supply of blower for oil cooling unit with aluminum impeller and casing.blower for oil cooling unit with aluminum impeller and casing.,blower for oil cooling unit with aluminum impeller and casing including 30kw motor for oil co oling unit with insulated bearing for three phase locomotives (wound with corona resistance wire) as per clw specn. no. clw/es/3/0647 alt-d or latest, rdso specn rdso/2016/el/spec/0123 rev.0, and rdso sp ecn. e/10/3/09 (motor) with amendment no.01 to 06 or latest for three phase locos. {total qty. required 3 sets @2 nos./loco = 06 nos.} [ warranty period: 30 months after the date of delivery ] ]