Crankshaft Adapter Cummins 3069776 | 3940911

High-Performance Crankshaft Adapter for Heavy-Duty Cummins Engines

The Cummins 3069776 Crankshaft Adapter is a critical, precision-machined component designed to facilitate a secure and stable connection between the engine’s crankshaft and auxiliary systems. Engineered for heavy-duty applications, this adapter ensures optimal alignment and seamless integration with vibration dampers, pulleys, and drive mechanisms. This part is also available under the numbers: 3940911.

Key Features and Benefits

• Robust Construction: Manufactured from high-grade, corrosion-resistant materials to withstand the extreme torsional stresses and harsh operating conditions of heavy-duty diesel engines.
• Precision Fitment: Machined to exact specifications to guarantee perfect alignment, reducing wear on connected components and preventing mechanical failure.
• Vibration Management: Works in tandem with viscous vibration dampers to absorb and dissipate torsional vibrations, enhancing overall engine stability and longevity.
• Efficient Power Transmission: Securely links the crankshaft to the drive system, ensuring reliable operation of cooling fans and other critical accessories.

Engine Compatibility

This crankshaft adapter is engineered for compatibility with a wide range of high-horsepower Cummins engine models, including:

• GTA Series: GTA38 G CMEICS G116C
• K Series: K38, K50, KTA38GC CM558
• QSK Series: QSK38 CM2150 MCRS, QSK38 CM850 MCRS, QSK50 CM2150 K107, QSK50 CM2150 MCRS, QSK50 CM2350 K108

Specifications

• Weight: 22.49 lbs
• Package Dimensions: 12.6 x 11.22 x 4.33 inches

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 3069776
• 3940911