Classic – Gear & Transmission Oils

All products within our Classic – Gear & Transmission Oils range are supplied directly from Millers Oils in the UK. The product links within the text below will take you directly to our online shop where you can buy these products. There are a range of products with different viscosities covering API GL1, API GL4 and API GL5, limited slip and automatic transmission fluid. The special additives used in our transmission oils are not harmful to yellow metals.

Green Gear Oils, GL1 (SAE 90, SAE 140)

The GL1 products are suitable for veteran and vintage transmissions. Mono grades (SAE 90 and SAE 140) containing anti-wear and anti-corrosion additives, but excluding the EP additives which can harm yellow metals. Designed for applications in older vehicles.

EP Gear Oils, GL4 (EP 80W90, EP 140)

These GL4 products contains EP (extreme pressure) additives for bevel and lightly loaded hypoid gears. EP gear oils exceeding API GL4 for classic transmissions and axles requiring GL4 performance which is also suitable for brass and bronze components, ie. non stain.

Differential Oils, GL5 (SAE 90, 85W140)

Our GL5 products are for highly loaded hypoid transmissions. Also suitable for transmissions with brass and bronze components.

LS 90, GL5 (SAE 90)

Millers limited slip, hypoid gear oil consists of high quality solvent refined base stocks with E.P. additives and friction modifiers.

Automatic Transmission Fluids

We have several automatic transmission and power steering fluids, with a mineral oil base, including: