Field case study · Tooele, UT
CAT 289D skid steer hydraulic leak — Tooele, UT
Hydraulic fluid loss on a compact track loader at a grading site in Tooele.
Reported symptom
Operator noticed hydraulic fluid pooling under the machine after a few hours of grading. Reservoir level was low and auxiliary circuit pressure dropped.
Diagnostic finding
Cracked hydraulic hose on the auxiliary circuit where it rubbed against the frame. Road dust and debris had accelerated wear at the chafe point.
Repair scope
Removed and replaced the damaged auxiliary hose. Flushed the circuit to remove contamination. Pressure-tested the system and topped off the hydraulic fluid.
Reported result
Machine returned to service same day. Operator reported full auxiliary pressure restored, no further leaks. Avoided a $900 lowboy haul to the dealer.
What this case helps clarify
This job is a useful example of why the first reported symptom is only the starting point. The machine type, brand, location, operating conditions, and observed diagnostic finding all shape the repair path. A similar complaint on another model may require a different test sequence or a different field-versus-shop decision.
For a new service request, send the machine make and model, hours if known, warning codes or dashboard photos, the conditions that trigger the problem, and the safest access point at the jobsite. That information helps the technician prepare the right tools and determine whether the work can be performed where the machine sits.
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