HIGHTEC TOPGEAR HC 80W-90 is a high-performance multi-grade gear oil built on advanced HC-synthetic technology. Engineered for manual gearboxes and axle drives, it delivers dependable wear protection while keeping shifting smooth across a wide temperature span. The balanced additive package also helps reduce drivetrain friction and supports lower fuel consumption.

Purpose and specifications

This gear oil is intended for manual transmissions and axle gears in passenger cars, commercial vehicles and heavy-duty drivetrains. It meets SAE J2360, API GL4, API GL5 and API MT-1, and carries approvals including MAN 341 E2, MAN 342 Type M2, ZF TE-ML 05A, ZF TE-ML 16C, Scania STO 1:0, VOLVO 97312 and MIL-L-2105 D.

• 1L container for a complete gearbox or axle oil change
• 80W-90 viscosity ensures easy gear engagement from roughly -25 C up to high operating temperatures
• Strong anti-wear film protects gear teeth and bearings under shock loads
• Low-friction formulation contributes to measurable fuel savings

When to use / change?

Choose this oil when a GL4/GL5 multi-grade gear oil is specified for your gearbox or differential. Typical replacement intervals fall around 60,000 km or follow the manufacturer schedule for heavy-duty fleets. The oil performs reliably from about -25 C to +130 C. Unopened, shelf life is approximately 5 years when stored cool and dry.

Frequently asked questions

Can I use it in both the gearbox and the differential?
Yes, it covers API GL4 and GL5, so it suits manual transmissions and hypoid axle gears that call for these classes.

Is it suitable for trucks and buses?
Yes, it holds numerous MAN, ZF, Scania and Volvo commercial approvals alongside passenger-car use.

Does it work in cold climates?
The 80W-90 grade keeps shifting easy at low temperatures down to roughly -25 C.

Suitable for: Lada Niva, MAN TGX, Scania R-Series, Volvo FH, Mercedes-Benz Actros. Always verify the exact approval against your vehicle's owner manual before use.