Hypoid rear axles, differentails, gear boxes, steering boxes and other heavily loaded gears fitted to all types of vehicles for which extreme pressure oil of GL4 performance is recommended. - See more at: http://ryeoil.co.uk/ryeoilstore/?wpsc_product_category=gearoil#sthash.JGcSHbpB.dpuf

EP90 Gear Oil GL4 is a Suplhur/Phosphorus SAE 90 Gear oil with extreme pressure additives. Used in Hypiod rear axles, differentials gear boxes, steering boxes and other heavily loaded gears fitted to all types of vehicles from when idle. Economical in use due to long life characteristics. EP90 Gear Oil GL4 protects bearings and gear teeth in severe working conditions. Protects against rust and corrosion even when idle.

EP90 Gear Oil GL4 spec

API: GL3/GL4

MIL-L-2105

CS 3000A

ZF TE-ML. 02

Difference between GL4 & GL5

It should be noted that Rye Oil Ltd is a blender of lubricants and as such, we can blend anything that is required. If you need an 80w90 gear oil GL4 we can make it for you. If you need a gear oil that isn’t listed in the shop please contact us

Let me start by telling you that Gear Oil’s are not Transmission Oils. Transmissions have gears and synchronisers. These of which require a different additive package. If you are wondering if GL5 covers GL4 the answer isnt simple. GL5 covers GL4 in terms of protection, but contains to much detergent and will strip any white metals and strip any brass synchronisers.

Simply, GL4 gear oils are intended for axles with spiral bevel and hypoid gears operating under moderate to severe conditions of speeds and loads.  GL-4 gear oils also have a low detergent level, which help protect yellow and phosphorous metal elements of the gear box. GL-5 is recommended for high-speed loads and also for low-speed torque systems without yellow metals.

If you any questions about this product or any other please contact us.

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