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Air Starting Motor Cummins 5544765 | 3634784, 4080238
High-torque air starting motor for Cummins QSK series engines, providing reliable ignition for heavy-duty marine and industrial applications.
Description
High-Performance Air Starting Motor for Cummins Engines
The Cummins 5544765 Air Starting Motor is a heavy-duty pneumatic component engineered to provide the massive torque required to initiate rotation in large-displacement diesel engines. Unlike traditional electric starters, this air-driven motor utilizes compressed air to turn the crankshaft, making it the preferred choice for industrial, mining, and marine environments where reliability and high output are critical.
Key Features and Benefits
- High Torque Output: Specifically designed to overcome the high inertia of large Cummins QSK series engines.
- Robust Construction: Built with high-quality materials and precision-machined components to withstand extreme operating conditions.
- Pneumatic Efficiency: Optimized for efficient use of stored compressed air, ensuring rapid engine starts and reduced downtime.
- Durability: Features advanced sealing technologies to prevent air leaks and a rugged housing for extended service life.
Engine Compatibility
This air starting motor is compatible with a wide range of high-horsepower Cummins engine platforms, including:
- QSK38 Series: CM2150 MCRS, CM850 MCRS
- QSK45 Series: CM500
- QSK50 Series: CM2150 K107, CM2150 MCRS, CM2350 K108
- QSK60 Series: CM500, CM850 MCRS, CM2358 K110, QSK60G
Technical Specifications
- Weight: 48 lbs
- Dimensions: 23.25 x 16.25 x 12.75 inches
- Power Source: Compressed Air (Pneumatic)


