631K OEM Wheel Tractor Machine Systems Caterpillar


Location of Components (Steering System)

Usage:

631K WT4

Steering Pump



Illustration 1g03686659

The steering pump is mounted to the front of the transfer gear case on the rear of the tractor.

Hydraulic Tank



Illustration 2g03495461

The hydraulic tank is on the right-hand side of the tractor next to the fender.

Right Steering Cylinder



Illustration 3g03495516

The right steering cylinder is on the right-hand side of the gooseneck.

Left Steering Cylinder



Illustration 4g03495538

The left steering cylinder is on the left-hand side of the gooseneck.

Steering Control Valve



Illustration 5g03687074

The steering control valve is on the left side of the frame rail under the cab.

Hand Metering Unit (HMU)



Illustration 6g03495957

The HMU is mounted to the bottom of the steering column under the cab.

Steering Wheel



Illustration 7g03496096

The steering wheel is located in the cab and is attached to the steering column.

Secondary Steering Pump



Illustration 8g03687098

The secondary steering pump is mounted to the front of the differential housing. The secondary steering pump is a ground driven through gear reduction.

Secondary Steering Unloading Valve



Illustration 9g03687270

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