V-belt Dayco AP78
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- V-belts
- Section
- A
- Series
- Classical wrapped industrial belts
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Description
DAYCO AP78 belongs to v-belt, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for AP78 and any equivalents.
The Dayco AP78 is a classical wrapped V-belt with an A profile and a length of 2032 mm. This page covers how to match it to the belt you are replacing.
Start with the marking on the old belt. A classical wrapped V-belt is identified by its profile and its length, so read the profile letter and the length from the back of the belt before ordering. The AP78 is an A profile belt measuring 2032 mm, with a top width of 13 mm, a height of 8 mm and a 40 degree angle.
If the marking is worn or missing, measure the belt instead. Check the cross-section: the top width and height should correspond to an A profile, and the outside length should come to 2032 mm. Confirm the drive uses a classical V-belt rather than a narrow wedge, cogged, banded or synchronous design, since those are matched differently.
Send the part number, the profile and the length, or a photo of the belt and the drive, and the team will confirm the AP78 or suggest the closest match. For drives running more than one belt, replace the full set together so the belts share the load evenly.
Dimensions
- Section
- A
- Length
- 2032mm
Frequently asked questions
- How do I confirm the Dayco AP78 fits my drive?
- Check the belt marking for an A profile and a 2032 mm length, or measure the old belt. The AP78 has a top width of 13 mm, a height of 8 mm and a 40 degree angle.
- Can I replace just one belt on a multi-belt drive?
- On a drive with several belts, replace the whole set at the same time. Mixing a new belt with worn ones can cause uneven tension and load.
- What should I send to get a quote?
- Send the part number AP78, or the profile and length from the old belt, along with the drive details. A photo of the belt and the pulley arrangement also helps confirm the match.