Caterpillar

The Caterpillar 5425972 is a genuine high-performance air starting motor engineered to provide reliable ignition power for large-scale diesel engines and track-type equipment. Unlike electric starters, this pneumatic unit utilizes compressed air from the natural environment to generate the massive torque required to rotate the crankshaft, making it an ideal solution for remote mining, oil fields, and marine applications. Weighing 78.8 lbs, the 542-5972 is constructed from high-durability gray (flake) iron and features a 12-tooth pinion with a 6/8 pitch, specifically designed for seamless engagement with the engine&#39;s flywheel. With an overall length of 22.1 inches and a standard SAE No. 3 mounting flange, it offers a flexible and efficient alternative to high-voltage electric systems. As an authentic Cat&nbsp;component, it is built to precise tolerances to withstand the vibrations and harsh operating conditions typical of off-highway trucks, large wheel loaders, and petroleum power packages.

Specifications: 
&ndash; Part Number: 5425972 (542-5972) 
&ndash; Brand: Caterpillar (Cat) 
&ndash; Component Type: Air Starting Motor / Pneumatic Starter 
&ndash; Weight: 78.8 lbs 
&ndash; Overall Length: 22.1 in 
&ndash; Pinion Teeth: 12 
&ndash; Pinion Pitch: 6/8 
&ndash; Rotation: CW (Clockwise) 
&ndash; Flange Type: SAE No. 3 Mount Flange 
&ndash; Material: Gray (Flake) Iron 
&ndash; Condition: New Genuine

Product Details: 
&ndash; High-Torque Pneumatic Output: Delivers consistent starting power in cold weather or low-voltage environments where electric batteries often fail. 
&ndash; Robust Gray Iron Housing: The 78.8 lb assembly provides superior thermal stability and structural rigidity for high-cycle industrial use. 
&ndash; Standard SAE Connections: Features standard porting for easy integration into existing pneumatic air-start systems. 
&ndash; Durable 12-Tooth Pinion: Precision-milled pinion teeth ensure positive engagement and reduced wear on the flywheel ring gear.

Applications: 
&ndash; Off-Highway Trucks: Primary starting motor for Cat 785, 789, and 793 series mining trucks (including C, D, and G variants). 
&ndash; Large Wheel Loaders: Essential for the starting systems of the massive Cat 994H loaders. 
&ndash; Heavy Tractors: Compatible with 784C tractors and specialized industrial machinery. 
&ndash; Industrial &amp; Petroleum: Flexible starting solution for rotary cutters (RC20) and large-bore diesel power modules.

Key Features: 
&ndash; Genuine Cat Engineering: Guaranteed to match the exact air consumption and torque curves of the original factory starter (Replacement for 0R9857). 
&ndash; Spark-Free Operation: Ideal for hazardous environments where electric starting systems pose a safety risk. 
&ndash; Reduced System Maintenance: Eliminates the need for heavy battery banks and complex charging systems, relying instead on high-pressure air tanks. 
&ndash; Long Service Life: Built to outperform aftermarket pneumatic units with superior internal vane and bearing durability.

Order the genuine Caterpillar 5425972 Air Starting Motor. Heavy-duty 78.8 lbs pneumatic starter for 785, 789, and 793 trucks. 12-tooth pinion with SAE No. 3 mount.

Account limit note:

Caterpillar 5425972 Air Starting Motor

Tags: