Cummins K19 Engine Specifications — A Complete Guide

Introduction
The Cummins K19 engine is one of the most trusted heavy-duty diesel engines in the world. Known for its durability, high horsepower, and ability to withstand extreme working conditions, the K19 has become a popular choice for construction, mining, marine, and industrial applications. In this article, we provide a complete overview of Cummins K19 engine specifications, so you can better understand its performance and suitability for your needs.

1. Engine Overview
   The Cummins K19 is a 19-liter, inline six-cylinder, four-stroke diesel engine. It features a robust design that makes it capable of delivering consistent performance even under continuous heavy loads. With decades of field-proven reliability, it has earned a strong reputation across industries worldwide.
2. Key Specifications

Displacement: 19 liters (1150+ cubic inches)

Configuration: 6-cylinder inline, turbocharged and aftercooled

Bore and Stroke: 159 mm x 159 mm (6.25 in x 6.25 in)

Power Output: Ranges from 450 hp to 700 hp depending on the model

Torque: Between 1,500 lb-ft and over 2,000 lb-ft

Fuel System: Cummins PT (Pressure-Time) fuel system for reliable fuel delivery

Cooling: Water-cooled, with various aftercooling options

Weight: Approximately 6,000–6,200 lbs depending on configuration

1. Performance Characteristics
   The K19 is designed for maximum uptime and consistent performance. Its high torque output at low rpm ensures excellent pulling power and fuel efficiency, while its turbocharged design enhances overall power density. The advanced cooling system helps maintain stable operating temperatures, even under heavy load conditions.
2. Applications
   Thanks to its flexibility, the Cummins K19 is used across multiple industries, including:

Mining: Haul trucks, excavators, and loaders

Construction: Large cranes, drilling rigs, and earthmovers

Marine: Propulsion and auxiliary engines for ships

Power Generation: Reliable engines for standby and continuous-duty generators

1. Benefits of the Cummins K19 Engine

Proven Reliability: Built with rugged components designed for long service life.

Strong Power Output: Ideal for demanding, high-load applications.

Ease of Maintenance: Mechanical fuel system is simpler to service compared to newer electronic engines.

Versatility: Can be adapted for onshore, offshore, industrial, and mobile equipment.

Conclusion
The Cummins K19 engine specifications highlight why this engine is trusted in some of the toughest industries in the world. Its balance of power, durability, and flexibility makes it a top choice for businesses seeking dependable performance in heavy-duty operations.