Product specification summary
- Product
- Synthetic PAG Oil ISO 680
- Catalog No. / MFR #
- PAG-680-640
- Oil type
- Synthetic PAG (polyglycol) gear oil
- Viscosity grade
- ISO 680
- Availability
- Factory order (made to order)

Identify synthetic PAG gear oil, ISO 680
PAG refers to polyglycol. For catalog number PAG-680-640, the supplied description identifies a synthetic gear oil with ISO viscosity grade 680.
Keep the exact catalog number and viscosity grade together on your maintenance purchasing list. A similar name or another catalog number should not be treated as the same ordered item.
Check equipment requirements before ordering
For a plant maintenance team reviewing a gear oil, the product description is a starting point, not confirmation of suitability for every gearbox. Compare the equipment manufacturer's lubricant requirements with the available product information.
Ask Lubri-Loy for help if you need additional information to confirm a match. Do not assume that a shared viscosity grade makes different oil types interchangeable.
Lubri-Loy quality, blended in the USA since 1949
Lubri-Loy has blended quality products in the USA since 1949. Synthetic PAG Oil ISO 680 is part of that lubricant offering for buyers who need to identify and order the correct product.
This item is factory order, meaning made to order. Contact Lubri-Loy to discuss order timing when planning maintenance purchases.
Buy PAG-680-640 directly from Lubri-Loy
Use the prominent buy-direct link above to open the PAG-680-640 product page on lubriloy.com. Review the matching item, select your quantity and use Add to cart or Buy now.
Reference catalog number PAG-680-640 and Synthetic PAG Oil ISO 680 when contacting Lubri-Loy about your order. Confirm the product against your equipment's requirements before purchasing.
View Synthetic PAG Gear Oil ISO 680 (PAG-680-640) / PAG-680-640
Frequently asked questions
What is Lubri-Loy PAG-680-640?
It is Synthetic PAG Oil ISO 680, a synthetic polyglycol gear oil.
What viscosity grade is stated?
The supplied product facts state ISO viscosity grade 680.
Is PAG-680-640 made to order?
Yes. Its stated availability is factory order, meaning made to order. Contact Lubri-Loy to confirm timing for your order.
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.