Product specification summary
- Catalog No. / MFR #
- AEO-40-640
- Product
- Monograde Engine Oil - Diesel
- Catalog product line
- Monograde Engine Oils - Diesel
- Size
- 5 gal
- Availability
- Factory order

Identify the 5 gal AEO-40-640 product
AEO-40-640 identifies the 5 gal product in Lubri-Loy's Monograde Engine Oils - Diesel line.
Use the complete catalog number and size together when discussing your order with Lubri-Loy. The links in this article open the matching product page rather than another package.
Lubri-Loy quality since 1949
Lubri-Loy has blended quality lubricants in the USA since 1949. AEO-40-640 is part of that lubricant offering.
Buying directly from Lubri-Loy connects your product questions and order with the company behind the oil.
A factory-order item
AEO-40-640 is a factory-order item. Contact Lubri-Loy about your order and reference AEO-40-640, Monograde Engine Oil - Diesel, 5 gal.
Keep that exact catalog number on your purchasing reference so the product and size remain clear.
Buy AEO-40-640 direct from Lubri-Loy
Visit the AEO-40-640 product page on lubriloy.com to order directly from Lubri-Loy.
Use the prominent buttons near the top and end of this article to open the matching 5 gal product page.
View Monograde Diesel Engine Oil, 5 gal / AEO-40-640
Frequently asked questions
What is Lubri-Loy AEO-40-640?
AEO-40-640 is Monograde Engine Oil - Diesel in the 5 gal size.
Is AEO-40-640 a factory-order item?
Yes. AEO-40-640 is listed as a factory-order item.