Identifying Hose Connections-430 and 460 Loader/4000 Series and 990 Tractors

Identify hoses by installing color-coded dust covers on end of hoses.

Ports on plate that holds couplers on tractor are identified by both numbers and colors.

Key Port Cap Color Hydraulic Function
A 2 Red or Silver Bucket Cylinder-Head End
B 1 Yellow Bucket Cylinder-Rod End
C 4 Green Lift Cylinder-Head End
D 3 Black Lift Cylinder-Rod End

 
W05997
W06147

4300/4310/ and 4400/4410

W06148

990, 4500/4510, 4600/4610, and 4700/4710

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