Perfomax Ultra Premium Extra

National Ultra Premium Extra is an ultra high performance, synthetic technology based, Low SAPS heavy duty diesel engine oil. It is Particularly suitable for Euro 5 & previous engine equipped with EGR, SCR, and DPF. This oil has to be used ONLY with ultra low sulpur diesel fuel. It has a long drain interval.


  • Excellent soot dispersancy – prevent oil thickening due to sludge build- up , keeps engine clean
  • Excellent corrosion resistance – for long engine life
  • Resistance to high temperature oxidation – there by maintaining oil performance under extreme 
  • operating conditions
  • High shear stability – Stays in grade specified and maintains performance under severe operating 
  • conditions.
  • Low volatility – Reduces oil consumption.
  • Enhanced protection against wear.
  • Very high drainage interval level. 




  • API C1-4
  • MB 228.51
  • ACEA E6/E7
  • MTU Type 3.1
  • Renault Trucks RLD-2
  • MAN M3477 / M 3277



SAE Grade 10W/40
Specific gravity @ 15 ˚C 0.858
Flash Point (COC), ˚ C 220
Kinematic Viscosity  
                cSt @ 40 ˚C 86.35
                cSt @ 100 ˚C 14.9
Viscosity Index 182
CCS, cP 5700 @ -25 ˚C
Total Base Number, mg KOH/gm 10.1
Pour point, ˚C -33




This lubricant is blended from synthetic base oil and specific additives. In normal conditions of use

this lubricant presents no particular toxic hazard. All lubricants, of any kind should be handled with 

great care, particularly avoiding any contact with the skin. 


Prevent any splashing, and keep away from combustible materials. Store under cover and away from 

any risk of pollution. Dispose off the used oil correctly; don’t pour down drains, into watercourses or 

the soil. 


The above figures are typical figures with normal production tolerance. PDS/2014 


Shelf Life For Our Products Is Five Years From The Production Date