A-K5566-AI Belt

One New Aftermarket Replacement V-Belt for MacDon and Hesston Harvesting Equipment

This classic B-section V-belt is a direct aftermarket replacement for MacDon OEM part number K5566. It is also a cross-reference for Hesston OEM part number 7855257, making it a versatile drive belt for agricultural harvesting equipment including MacDon windrowers and Hesston balers such as the 4500 series. The belt standard designation is B84 (5/8" x 87" outside circumference, 84" inside length).

Specifications

• Belt Section: B / 5L (Classic V-Belt)
• Top Width: 5/8" (approximately 17mm)
• Belt Depth: 0.44" (approximately 11mm)
• Outside Circumference: 87" (approximately 185mm / 4699mm)
• Inside Length: 84"

Compatible Models

MacDon: Windrowers and harvesting equipment using K5566 drive belt

Hesston: 4500 series balers (replaces Hesston OEM 7855257)

Replaces Part Number(s):

K5566 (MacDon), A-K5566, 7855257 (Hesston), B84

Aftermarket Interchange Numbers

BP84 (Dayco), GATB84 (Gates/A&I), B84DC (Dealers Choice), 670761R1 (Fits Case/IH), 1322418 (Fits Allis-Chalmers / AGCO), BR1322418-3 (AGCO), BRZWBBP84 (Fits Case), 5L870, 5LK870

New aftermarket replacement part - not remanufactured, not used.