Identify Hose Connections—320R Loader (3X20, 4X00, and 4X10 Series Tractors)

W07015-UN-17SEP04

Loader Lines with Optional Third-Function

W07078-UN-13OCT04

Couplers with Third-Function

Identify the ports on the plate that hold couplers on the tractor by both numbers and colors.

Key	Port	Plug/Cap Color	Hydraulic Function
A	1	Black	Bucket Cylinder—Rod End
B	2	Yellow	Bucket Cylinder—Head End
C	4	Blue	Lift Cylinder—Head End
D	3	Red	Lift Cylinder—Rod End
E		Orange	Attachment Cylinder—Head End
F		Green	Attachment Cylinder—Rod End