Liebherr HYDRAULIC Equipment Repair and Rebuild

Allied Hydraulic provides professional hydraulic repair and rebuild services for Liebherr construction and mining equipment. We specialize in repairing Liebherr hydraulic cylinders and servicing the OEM hydraulic pumps, motors, and valves used throughout Liebherr machines. Our focus is restoring performance, reliability, and service life while minimizing downtime in demanding operating environments.

Trusted Liebherr Hydraulic Repair Backed by Experience

Allied Hydraulic has extensive experience servicing hydraulic components used in Liebherr equipment across construction, material handling, and mining applications. 

Our technicians understand the operating demands placed on Liebherr machines and follow proven repair processes to return components to reliable working condition. 

Every repair is completed with careful inspection and performance testing.

Leibherr Machinery We Support

Allied Hydraulic services hydraulic components used across a wide range of Liebherr equipment.

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TA 230 Litronic

HS 8200

PR 716, PR 726, PR 736, PR 746, PR 756, PR 766, PR 776, PR 756 Litronic, PR 766 Litronic, PR 776 Litronic

R 914 Compact Litronic, R 920 Compact Litronic, R 922 Litronic, R 924 Litronic, R 926 Compact Litronic, R 930 Litronic, R 934 Litronic, R 938 Litronic, R 944 C Litronic, R 950 SME Litronic, R 956 SME Litronic, R 960 SME Litronic, R 966 SME Litronic, R 970 SME Litronic, R 976 SME Litronic, R 980 SME Litronic, R 990 SME Litronic

LR 626 Litronic, LR 636 Litronic

LH 35 M Timber, LH 50 M Timber, LH 60 M Timber, LH 65 M Timber

PR 756 Litronic, PR 766 Litronic, PR 776 Litronic

R 9100 G6, R 9150 G7, R 9200 G7, R 9250 G6, R 9300 G8, R 9350 G6, R 9400 G6, R 9800, R 996B

T 264, T 274, T 284

RL 46, RL 56, RL 66

P 995 Litronic

R 914 Rail Litronic, A 922 Rail Litronic, A 924 Rail Litronic

A 914 Litronic, A 918 Litronic, A 920 Litronic, A 922 Rail Litronic, A 924 Litronic

L 526, L 538, L 546, L 550 XPower, L 556 XPower, L 566 XPower, L 580 XPower, L 580 LogHandler XPower, L 586 XPower

Caterpillar Hydraulic Cylinders We Repair

Allied Hydraulic provides complete repair and rebuild services for Liebherr hydraulic cylinders used in excavation, lifting, steering, swing, and blade applications. Our capabilities include seal replacement, rod repair and rechroming, barrel inspection, mount repair, and pressure testing. Each cylinder is rebuilt to restore proper function and extend service life under demanding operating conditions.

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Arm Cylinders (Excavators)
5611342, 5610924

Blade Cylinders (Crawler Dozers)
5615231, 5615624

Boom Cylinders (Excavators)
5610347, 5610816

Bucket Cylinders (Excavators)
5611856, 5612331

Dump Body Lift Cylinders (Trucks)
5616497, 5616728

Lift Cylinders (Mining Excavators and Wheel Loaders)
5614257, 5614529

Steering Cylinders (Trucks and Dozers)
5613278, 5613982

Swing Cylinders (Excavators)
5615876, 5616142

Tilt Cylinders (Wheel Loaders)
5612735, 5612984

Cylinder Application

Models

Arm Cylinders (Excavators)

5611342, 5610924

Blade Cylinders (Crawler Dozers)

5615231, 5615624

Boom Cylinders (Excavators)

5610347, 5610816

Bucket Cylinders (Excavators)

5611856, 5612331

Dump Body Lift Cylinders (Trucks)

5616497, 5616728

Lift Cylinders (Mining Excavators and Wheel Loaders)

5614257, 5614529

Steering Cylinders (Trucks and Dozers)

5613278, 5613982

Swing Cylinders (Excavators)

5615876, 5616142

Tilt Cylinders (Wheel Loaders)

5612735, 5612984

Common Liebherr Hydraulic Cylinder Failures We Repair

Liebherr hydraulic cylinders operate under high loads and continuous duty cycles, especially in mining and material handling applications. Allied Hydraulic commonly repairs:

  • Seal leakage and internal bypass

  • Rod scoring, pitting, or chrome damage

  • Bent rods caused by side loading or impact

  • Barrel scoring and internal wear

  • Worn pin bores and mounting points

  • Drift or loss of holding force under load

Each cylinder is inspected to identify the root cause of failure and rebuilt to restore reliable operation.

Repair of OEM Hydraulic Components Used in Liebherr Equipment

Liebherr machines rely on hydraulic components supplied by leading OEM manufacturers. Allied Hydraulic services these components when used in Liebherr applications.

Hydraulic Pumps

Liebherr equipment commonly uses axial piston pumps from OEM manufacturers such as Rexroth and Kawasaki. Allied Hydraulic restores pump performance, pressure, and efficiency.

Hydraulic Motors

Swing and travel motors used in Liebherr equipment are commonly sourced from OEM manufacturers including Eaton and Rexroth. Allied Hydraulic rebuilds these motors to restore torque and smooth operation.

Hydraulic Valves

Directional control valves and main control valves used in Liebherr systems are commonly supplied by OEM manufacturers such as Vickers. Allied Hydraulic services valves to correct leakage and control issues.

Caterpillar Hydraulic Repair FAQs

Leaks are often caused by worn seals, internal bypass, or rod surface damage. High load cycles can accelerate seal wear and make small issues noticeable quickly.

Cylinder drift is commonly caused by internal seal bypass that allows hydraulic fluid to leak past the piston, resulting in gradual movement even when controls are neutral.

Yes. Many Liebherr hydraulic cylinders can be rebuilt to restore performance and extend service life, reducing replacement costs and downtime.

Contamination is one of the most common causes. Dirty hydraulic fluid can damage seals and internal surfaces, leading to leakage and accelerated wear.

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