Caterpillar Hydraulic Pump Repair Service in Rohtak — Infinity Hydraulics
Infinity Hydraulics provides specialized Caterpillar hydraulic pump repair services for construction, mining, earthmoving and industrial machinery.
We repair, rebuild, test and restore CAT main pumps, pilot pumps and transmission pumps to OEM-grade performance.
Our service is trusted by equipment rental fleets, contractors, mining operators and CAT machine owners across India.
Our Caterpillar Hydraulic Pump Repair Capabilities
Complete Pump Overhaul
◉ Full teardown & internal inspection
◉ Measurement of wear, scoring & tolerances
◉ Replacement of pistons, plates, barrels & bearings
◉ Seal, gasket & O-ring replacement
◉ Lapping of critical mating surfaces
◉ Rotor & swash plate correction
Performance Restoration
◉ Pressure & flow recalibration
◉ Overheating troubleshooting
◉ Noise & vibration elimination
◉ Leakage correction (internal/external)
◉ Contamination flushing
Hydraulic Test Bench – Final Validation
Every repaired CAT pump is tested for:
◉ Rated pressure output
◉ Flow across RPM range
◉ Temperature behavior
◉ Load response
◉ Internal leakage rate
◉ Overall efficiency
Caterpillar Pump Types We Repair
We repair all major CAT hydraulic pump configurations:
Main Hydraulic Pumps (Piston Pumps)
Used in:
CAT excavators, loaders, dozers, graders and mining machines.
Variable Displacement Pumps
For machines requiring high load response and precise control.
Gear Pumps
Used in steering, pilot circuits, travel motors and auxiliary functions.
Transmission / Charge Pumps
For hydrostatic drives in CAT dozers, loaders and graders.
Pilot & Auxiliary Pumps
Controls boom, swing, travel and attachment functions.
Popular Caterpillar Machines We Repair Pumps For
We repair hydraulic pumps for:
◉ CAT 320 / 323 / 324 / 330 Excavators
◉ CAT 336 / 349 / 374 Large Excavators
◉ CAT 950 / 966 / 980 Wheel Loaders
◉ CAT 424, 426, 428 Backhoe Loaders
◉ CAT D6 / D7 / D8 Dozers
◉ CAT 120 / 140 Motor Graders
◉ CAT 773 / 777 Haul Trucks
◉ CAT Underground Mining Equipment
We also repair pumps from older and discontinued CAT models.
Common CAT Pump Problems We Fix
◉ Pressure drop during digging or loading
◉ Slow boom, arm or travel response
◉ Overheating due to internal leakage
◉ Abnormal noise, vibration or cavitation
◉ Metallic contamination in oil
◉ Seal and O-ring failures
◉ Damaged pistons, swash plates or rotors
◉ Excessive fuel consumption due to pump load
We restore the pump to reliable performance and reduce machine downtime.
Industries We Support
◉ Large & small construction companies
◉ Mining & quarrying operations
◉ Road & infrastructure projects
◉ Rental equipment fleets
◉ Industrial sites & fabrication plants
◉ Earthmoving contractors
Why Choose Infinity Hydraulics for CAT Pump Repair?
◉ Specialized in heavy equipment hydraulics
◉ Experienced technicians for Caterpillar systems
◉ Genuine or OEM-grade replacement parts
◉ High-pressure hydraulic test bench
◉ Breakdown repair & urgent service support
◉ Pickup and delivery available across India
◉ Transparent diagnosis & reporting
We ensure your Caterpillar machine returns to full hydraulic performance after repair.
Pan India Service Coverage
We offer Caterpillar hydraulic pump repair services across:
Delhi NCR, Mumbai, Pune, Chennai, Ahmedabad, Bengaluru, Hyderabad, Kolkata
Surat, Jaipur, Coimbatore, Indore, Nagpur, Raipur, Chandigarh, Goa
And all mining & construction zones across India.
Need Caterpillar Hydraulic Pump Repair? Contact Us
To get a quick estimate, share:
◉ CAT machine model
◉ Pump type & part number
◉ Symptoms noticed
◉ Working environment
◉ Location
Call or WhatsApp Infinity Hydraulics for expert Caterpillar hydraulic pump repair.
