X0319-00581 | Genuine Parker Hydraulic Pump Commercial InterTech Gear Pump

Ottawa T‑2 terminal tractor
Ottawa Yard Horse
Ottawa Yard Mule

The pump converts mechanical energy (from the engine or motor) into hydraulic energy, supplying the pressure needed to move:

• Cylinders

• Hydraulic motors

• Valves

• Steering systems

2. Power Hydraulic Functions

These pumps operate essential equipment functions, such as:

• Dump truck hoists

• Snowplow lifting/angling

• Loader arms and buckets

• Forklift lifting systems

• Tractors and skid steer attachments

• Winches and stabilizers

3. Provide Constant, Reliable Flow

Gear pumps supply a steady, continuous flow of hydraulic oil, making them ideal for:

• Heavy-duty equipment

• Long operating hours

• High-pressure applications

4. Ensure Smooth and Controlled Operation

A properly functioning gear pump helps:

• Maintain smooth hydraulic response

• Prevent jerky or slow equipment movement

• Improve operator control and safety

5. Support Work Efficiency

Because these pumps are powerful, simple, and durable, they enable machines to:

• Lift heavy loads

• Move large components

• Perform repetitive tasks quickly and reliably

1. Slow or Weak Hydraulic Functions

• Cylinders lift slowly or won’t lift at all

• Steering becomes hard or sluggish

• Attachments move weak or jerky
  This usually indicates the pump can’t build enough pressure.

2. Noisy Operation

• Whining

• Grinding

• Knocking
  This can happen when gears are worn, oil is low, or air is entering the system.

3. Overheating Hydraulic Oil

• Oil temperature rises quickly

• Hot hydraulic reservoir
  A failing pump may create excess heat due to internal wear or cavitation.

4. Excessive Vibration

• Pump shakes or vibrates during operation

• May indicate worn bearings or damaged gears

5. Foamy or Milky Hydraulic Fluid

• Signs of air in the system

• Air leaks on the suction side or damaged pump seals
  Foamy oil reduces pump effectiveness and lubrication.

6. Low Hydraulic Pressure

• Pressure gauge reading lower than normal

• Machine cannot reach full power
  Caused by worn gears, internal leakage, or pump wear.

7. Leaking Hydraulic Fluid

• Oil leaking from pump seals, fittings, or housing

• A cracked housing or worn shaft seal is common with older pumps.

8. Pump Won’t Prime or Loses Prime

• Pump fails to pick up fluid

• Cavitation noise
  Often caused by clogged filters, suction leaks, or internal pump damage.

9. Excessive Heat or Burnt Oil Smell

• Overworked pump due to internal damage

• Seized gears or restricted flow

10. Metal Shavings in Hydraulic Oil

• Indicates internal gear wear or bearing failure

• Serious sign the pump is near end of life