Sandvik TH663i Transmission Allison

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 truck in the dirt and out of the workshop.

The Sandvik TH663i Allison transmission is an alternative automatic gearbox option for the TH663i. Known for durability and easy serviceability, it provides reliable power delivery in demanding mining environments. All service exchange transmissions are load tested on our state-of-the-art AIDCO 850 Dynamometer by experienced in-house specialists.

Sandvik TH663i Truck Technical Snapshot

• Payload Capacity: 63 tonnes, one of the largest in its class for high-volume underground hauling.
• Engine Power: High-performance Volvo engine built to handle steep gradients and tough mining conditions.
• Transmission: Automatic gearbox with integrated retarder for smooth operation and controlled downhill braking.
• Operator Safety: ROPS/FOPS-certified cab with low-noise design and ergonomic controls for comfort.
• Automation Ready: Equipped for future AutoMine® integration to support autonomous haulage.

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.