CAT Excavator Slew Motor

Description

CAT Excavator Slew Motor Problems & Solutions

Caterpillar excavators are equipped with some of the most advanced hydraulic systems in the industry. However, even the most durable machines can experience component failures, especially in the slew motor (swing motor).

If your CAT excavator has a slow or inconsistent swing, is leaking hydraulic fluid, or making unusual sounds during rotation, your slew motor may need repair or replacement.

At Arena Hydraulic and Machinery, we offer expert CAT slew motor repair services and aftermarket replacement units to get your machine back to full performance quickly and cost-effectively.

Common Slew Motor Problems in CAT Excavators

Over time, slew motors can show signs of wear due to heavy operation and hydraulic system strain. Issues include:

• Unresponsive or slow swing rotation
• Hydraulic oil leakage from the motor or housing
• Grinding, knocking, or irregular noises
• Inconsistent swing power or torque
• Total swing motor failure

These symptoms are typically caused by:

• Hydraulic fluid contamination
• Seal and O-ring failure
• Worn pistons or internal damage
• Overload or shock load damage

High-Demand CAT Models for Slew Motor Replacement

We support repairs and supply swing motors for a wide range of Caterpillar excavators:

CAT 307, 308, 309

CAT 312, 313, 314, 315

CAT 320, 322, 323, 324

CAT 325, 329, 330, 336

CAT 345, 349, 365, 450

Whether it’s a compact or large CAT excavator, we provide fast turnaround and reliable replacement options.

Slew Motor Services by Arena Hydraulic and Machinery

Professional Slew Motor Repairs

Our in-house team disassembles, cleans, and rebuilds CAT swing motors using high-grade pistons, seals, and bearings. Every motor is pressure-tested and validated to meet or exceed OEM performance standards.

Brand-New Slew Motors

We stock CAT-compatible aftermarket motors that:

• Deliver OEM-equivalent performance and fitment
• Are built to withstand heavy-duty applications
• Are backed by a warranty
• Are ready for fast dispatch Australia-wide

Why Choose Arena Hydraulic and Machinery?

• Experts in CAT hydraulic systems
• Professional workshop repairs and rebuilds
• Wide inventory of CAT-compatible swing motors
• Fast shipping across Melbourne, Victoria, and nationwide
• Trusted by civil operators, contractors, and fleet managers

Need a Quote for Your CAT Slew Motor?

Don’t ignore the warning signs. Contact Arena Hydraulic and Machinery today for fast, high-quality CAT slew motor repairs or replacements. Whether it’s a rebuild or a new unit, we’ll help you get the best value, delivered across Australia.