When engines need to start fast, reliably, and without electrical dependency, the pneumatic starter motor is the go-to solution. Used in diesel engines, gas turbines, and hazardous zone applications, pneumatic starters harness compressed air to deliver high torque and consistent performance—even in extreme conditions.

At MultiTorque, we supply, service, and repair pneumatic starter motors across Australia. Whether you’re maintaining critical mining machinery or outfitting backup generators in remote environments, we’ve got the expertise and components to keep you running.

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What Is a Pneumatic Starter Motor?

A pneumatic starter motor is a type of air-powered engine starter that uses compressed air to spin an engine’s flywheel, initiating combustion without relying on electricity. These starters are commonly found on:

• Diesel engines in mining and marine applications
• Gas turbines in oil & gas facilities
• Engines operating in hazardous or explosive atmospheres
• Backup generators in off-grid or emergency setups

Unlike electric starters, pneumatic starters are rugged, low-maintenance, and safe for explosive environments, making them ideal for critical operations.

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How Pneumatic Starters Work

The system operates using compressed air (or inert gas such as nitrogen) stored in onboard tanks. When activated, this air flows through a control valve into the starter motor, which drives a pinion gear that engages the engine flywheel. Once the engine fires, the starter disengages.

Key features include:

• High starting torque
• Simple mechanical design
• Explosion-proof operation
• Multiple starts without battery recharge

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Applications of Pneumatic Starter Motors

Pneumatic starters are essential in environments where reliability, safety, and independence from electricity are key. Industries that depend on them include:

• Mining & Heavy Industry – Haul trucks, loaders, compressors, and auxiliary engines
• Oil & Gas – Turbines and generators in hazardous zone installations
• Marine – Diesel-powered vessels and emergency generators
• Power Generation – Backup gensets with no electrical starter dependency
• Military & Aviation – Aircraft turbines, tactical vehicles, and field-deployed systems

At MultiTorque, we provide starter solutions for a range of engine types, from compact diesels to multi-cylinder powerhouses.

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Advantages of Pneumatic Starter Motors

✅ Safe for Hazardous Zones

Ideal for ATEX-rated or Class 1 Div 1 environments, as there are no electrical sparks.

✅ Maintenance-Friendly

Fewer moving parts than electric starters means lower long-term maintenance and failure rates.

✅ Instant Torque

Delivers high torque at startup—no need to “spool up” like electric or hydraulic systems.

✅ Reliable in Harsh Conditions

Performs in high-dust, high-moisture, or sub-zero conditions where batteries fail.

✅ No Battery Dependency

Perfect for applications where electrical systems are unreliable, unsafe, or unavailable.

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Components and Accessories

A complete pneumatic starter system includes:

• Pneumatic Starter Motor – The main air-driven unit
• Air Reservoir Tank – Stores compressed air for multiple starts
• Control Valve Assembly – Regulates and directs airflow
• Check Valves & Filters – Ensure clean, dry air supply
• Starter Mounting Kits – Adapt starter to engine flywheel

MultiTorque supplies full kits, spare parts, and accessories for a wide range of systems. We can also fabricate mounting brackets or retrofit kits to suit older or custom engines.

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Brands and Models We Support

We supply and service pneumatic starter motors from leading manufacturers such as:

• Ingersoll Rand
• TDI (TurboTwin)
• Startmaster
• Gali
• Auburn Gear

Whether you’re running a CAT, Cummins, Detroit Diesel, or other industrial engine, our team can match the right starter to your requirements.

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Repair, Rebuilds, and Servicing

Pneumatic starters are robust—but like all equipment, they benefit from regular service. MultiTorque offers:

• Strip-downs and inspections
• Seal and bearing replacements
• Control valve refurbishments
• Reconditioning and pressure testing
• Replacement pinion gears and air governors

We can also diagnose air system faults and supply line filters, tanks, and safety valves to keep your system compliant and ready.

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Custom Starter Solutions

Need something unique? Our engineering team can design and supply custom pneumatic starter assemblies, ideal for:

• Generator trailers
• Offshore skids
• Mobile compressor units
• Engine retrofits

We ensure all systems are site-compliant, safety-rated, and tailored for local operating conditions.

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Why Choose MultiTorque?

• 🛠️ Over 15 years of experience in compressed air and engine systems
• 🔩 Full-service pneumatic starter sales, repairs, and installation
• 🚚 Fast turnaround and national delivery
• 🧰 Support for legacy and hard-to-source starter models
• 🤝 Trusted by mining, energy, and industrial clients Australia-wide

We don’t just sell equipment—we keep your engines ready to fire up when it matters most.

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Get a Quote Today

Looking for a pneumatic starter motor? Need a rebuild, spare parts, or advice on system integration?

📞 Call MultiTorque: 1300 726 525
📧 Email: sales@multitorque.com
🌐 Visit: www.multitorque.com.au
🔗 Follow us on LinkedIn: MultiTorque Industries

Let’s get your system firing on air.

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Final Thoughts

A pneumatic starter motor is the ultimate low-risk, high-reliability solution for heavy-duty engines and hazardous environments. It’s clean, dependable, and doesn’t rely on fragile batteries or vulnerable electrics.

At MultiTorque, we’re ready to supply, service, or custom-build the right solution for your operation—backed by expert advice, fast parts delivery, and top-tier technical support.