supply of antiwear hydraulic oil to is: 11656/1986antiwear hydraulic oil to is: 11656/1986,antiwear hydraulic oil extra heavy duty to is: 11656/1986/reaffirmed 2002 (with anilin e point 90 degrees cen, minimum for all grades in place of seal compatibility test and nas value belo w 8) with rdso additional requirement as slip no. 1 issued by rdso on august 2016. gr. vg-68.accept able make for supply of hydraulic oil for the use of track machines are balmer lawrie & co. ltd, bhara t petroleum corporation ltd,hindustan petroleum corporation ltd,indian oil corporation ltd and gulf o il corporation ltd. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]