140 Motor Grader Systems Caterpillar


Location of Components (Steering System)

Usage:

140 N94


Illustration 1g06361036
(1) Implement and Steering Pump
(2) Combination Valve
(3) Hand Metering Unit (HMU)
(4) Left Steering Cylinder
(5) Right Steering Cylinder
(6) Secondary Steering Pump

Implement and Steering Pump



Illustration 2g06361050

The implement and steering pump (1) is below the cab, driven by the front of the engine.

Combination Valve



Illustration 3g06361051

The combination valve (2) is attached to the left side of the implement and steering pump.

Hand Metering Unit (HMU)



Illustration 4g06361059

The hand metering unit (3) is inside the steering console. The steering wheel attaches to the input shaft of the HMU.

Steering Cylinders



Illustration 5g06361062

The left (4) and right (5) steering cylinders are on the front axle and connect to the wheel hubs.

Secondary Steering Pump



Illustration 6g06361053

The secondary steering pump (6) is on the left side of the machine, below the cab. The pump is attached to the front frame, in front of the articulation hitch.

Caterpillar Information System:

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