supply of set of high pressure hydraulic hoses , set of high pressure hydraulic hoses consisting of following 06 items suitable for 1600 hp de mu dpc having cummins qsk50l engine; 1) cummins part no.: 4396275 - 01 no/set 2) cummins part no.: 4396277 - 01 no/set 3) cummins part no.: 4396278 - 01 no/set 4) cummins part no.: 4396279 - 01 no/set 5 ) cummins part no.: 4396324 - 01 no/set & 6) cummins part no.: 4396325 - 01 no/set. note: oem authoriza tion certificate to be enclosed along with the tender and full quantity test certificate to be submitted along with the material supply for acceptance. hose make: cummins/ gates/ parker. [ warranty period: 30 mon ths after the date of delivery ] ]