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Murray Engineering

Caterpillar R2900G Steer Cylinder

Caterpillar R2900G Steer Cylinder

Part Number: 173-9477

Murray Engineering’s service exchange components are purpose-built to help you minimise downtime and control maintenance spend — without cutting corners on quality. With fast access to critical parts and components rebuilt to exceed OEM standards, we’ll help keep your loader in the dirt and out of the workshop.



The CAT R2900G steer cylinder is a hydraulic component responsible for controlling the articulation of the loader's front and rear frames, enabling it to turn in tight underground environments. It converts hydraulic pressure into linear motion, allowing the operator to steer the machine with precision and stability.


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R2900G Loader Technical Snapshot

  • Rated Payload: 15,000 kg, ideal for high-production underground mining.
  • Engine: CAT C15 ACERT diesel engine delivering up to 293 kW (393 hp).
  • Operating Weight: Approximately 52,000 kg with a standard bucket.
  • Bucket Capacities: Ranges from 6.3 to 7.9 m³, depending on material density.
  • Drivetrain: Power shift transmission with four-speed forward/reverse and integrated torque converter for responsive tramming.

Why Miners Choose Murray Engineering for Service Exchange Components

  • Reliability – Every component is stripped, rebuilt, and rigorously tested in-house to meet or exceed OEM standards, so you can install with confidence and keep machines running.
  • Affordability – Cut maintenance budgets by up to 60% compared to buying new, without compromising on safety or performance.
  • Speed – Our extensive inventory and quick turnaround times mean the parts you need are ready when you need them — helping you avoid costly hold-ups.
  • Locally supported – With teams and stock in WA and NSW, you get Australian-based service, faster freight, and direct support from technicians who understand your site.
  • Sustainable – Reduce waste and meet your ESG targets with our sustainable remanufacturing approach — without sacrificing quality.

📩 Enquire now to check availability and pricing.