# GO-680-640 EP Gear Oil ISO 680, 5 Gal

Date: 2026-11-03

Canonical HTML URL: https://lubriloy.com/blog/go-680-640-ep-gear-oil-iso-680

Gear oils · 2026-11-03

[Buy direct from Lubri-Loy - free shipping: GO-680-640](https://lubriloy.com/products/go-680-640)

Lubri-Loy GO-680-640 is mineral industrial EP gear oil in ISO viscosity grade 680, supplied in a 5 gal size. Buy direct from Lubri-Loy, with quality lubricants blended in the USA since 1949.

[View GO-680-640 EP Gear Oil ISO 680, 5 gal / GO-680-640](https://lubriloy.com/products/go-680-640)

## Product specification summary

- **Catalog No. / MFR #:** GO-680-640

- **Product:** Industrial EP Gear Oil

- **Base:** Mineral

- **Viscosity grade:** ISO 680

- **Size:** 5 gal

## Identify GO-680-640 mineral EP gear oil

GO-680-640 identifies Lubri-Loy Industrial EP Gear Oil, Mineral, ISO 680, in a 5 gal size.

Use the complete catalog number GO-680-640, ISO 680 grade and 5 gal size when discussing your order. These details identify the specific item covered in this article.

## Lubri-Loy quality, blended in the USA since 1949

Lubri-Loy has blended quality lubricants in the USA since 1949. GO-680-640 is part of its industrial EP gear oil offering.

Buying directly from Lubri-Loy gives you a direct point of contact for questions about this mineral ISO 680 gear oil and its 5 gal size.

## Buy GO-680-640 directly from Lubri-Loy

Visit the GO-680-640 product page on lubriloy.com for direct ordering options. The prominent links near the top and end of this article lead to that exact product page.

Reference catalog number GO-680-640 when contacting Lubri-Loy about Industrial EP Gear Oil, Mineral, ISO 680, 5 gal.

[View GO-680-640 EP Gear Oil ISO 680, 5 gal / GO-680-640](https://lubriloy.com/products/go-680-640)

## Frequently asked questions

### What is GO-680-640?

GO-680-640 is Lubri-Loy mineral industrial EP gear oil in ISO viscosity grade 680.

### What size is covered here?

This article covers the 5 gal size identified by catalog number GO-680-640.

### How can I buy this product from Lubri-Loy?

Open the matching Lubri-Loy product page. Use Add to cart or Buy now when available, or Request a quote for quote-only products. Direct orders include free shipping within the US.

Based only on the supplied GO-680-640 identity, mineral industrial EP gear oil description, ISO 680 viscosity grade, 5 gal size, and Lubri-Loy's USA blending history since 1949.

[Matching product page](https://lubriloy.com/products/go-680-640) · [All product guides](https://lubriloy.com/blog/product-guides)

[Buy direct from Lubri-Loy - free shipping: GO-680-640](https://lubriloy.com/products/go-680-640)

Other ways to buy: [Also available on Motion](https://www.motion.com/products/sku/03299477)