Zeal Syn Dura Maxx HD 75W90 GL-5 is a high-performance heavy duty gear oil, formulated from high-quality Synthetic Blend of base oils and an advanced additive system. These lubricants are designed for automotive heavy-duty transmissions, axles and final drives.  Moreover, these oils are specially engineered for heavy-duty axles and final drives where extreme pressures and shock loadings are expected.

Product Description & Specifications

Features & Benefits

  • Exceptional thermal & oxidation stability protects against deposit formation and oil thickening, thus maintains the life and performance of lubricant and transmission.
  •  Outstanding anti-wear properties and excellent film strength provides exceptional equipment protection, that not only results in fewer breakdowns but also helps improve transmission efficiency.
  •  Excellent rust and corrosion protection for longer component life.
  •  Compatibility with seals and gaskets, leads to minimize oil leakage and reduced contamination.


Zeal Syn Dura Maxx HD 75W90 GL-5 meets or exceeds following International and Builder specifications:

  •  API GL-5/MT-1 (eqv. MIL-L-2105D)           
  • MAN 342 M2
  •  AE J2360
  •   ZF TE ML 05A, 7A, 12E, 16B, C & D, 17B, 19B, 21A
  •  Scania STO 1:0
  •   Volvo 1273.10


Zeal Syn Dura Maxx HD 75W90 GL-5 is suitable for use in all Passenger cars, On-highway light and heavy duty trucks, and commercial vehicles.

  •  Suitable for Heavy duty manual transmissions, axles and final drives requiring API GL-5 level performance.
  •  Applications like Off-highway industries including: construction, mining, quarrying, and agriculture.
  •  Other heavy-duty industrial and automotive applications, involving hypoid gears operating under conditions where high speed/shock load, high speed/low torque, and/or low speed/high torque exists.

Typical Characteristics

Zeal Syn Dura Maxx HD Test Method Units 75W90
Density @ 15 °C ASTM D 4052 gm/cc 0.87
Viscosity @ 40 °C ASTM D 445 cSt 125
Viscosity @ 100 °C ASTM D 445 cSt 16.3
Viscosity Index ASTM D 2270 139
Pour Point ASTM D 97 °C -39
Flash Point (COC) ASTM D 92 °C 222
Copper Strip Corrosion ASTM D 130 1B
Foam Seq I,II,III ASTM D 892 ml/ml 10/0
Phosphorus ASTM D 4951 %wt 0.055

The above figures are typical of blends with normal production tolerance and do not constitute a specification.

Data Sheet & MSDS

Data Sheet Not Available
MSDS Not Available
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