Detroit 8v71 Engine – The Specifications, The Pros, and The Cons

All You Need to Know About the Detroit 8v71 Engine

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Introduction

The Detroit 8V71 Engine is a standard, hearty engine, engineered to perfection for robust functioning over extended periods of time. With proper maintenance this engine can easily last a lifetime, and probably more. 

The 8v71 Non-Turbo Engine is a naturally aspirated, two stroke cycle 8v engine, while the 8v71 Turbo Engine is a turbocharged, two stroke cycle 8v engine.

The 8v71 N engine enables a compression ratio of 18.7:1. The engine offers a power output of 318 horsepower, 237 kW at 2,100 RPM. It produces a maximum torque of 863 ft-lbs, 1170 Nm at 1,200 RPM. 

On the other hand, the more powerful 8v71 T engine enables a compression ratio of 17:1. The engine offers a power output of 385 horsepower, 270 kW at 2,100 RPM. It produces a maximum torque of a whopping 112 ft-lbs, 1508 Nm at 1,200 RPM. 

Some of the most prominent applications of the Detroit bV71 include GMC vehicles, Chamberlain tractors, heavy equipment, and semi-trucks amongst others.  

Detroit Diesel 8v71 Specifications 

The Detroit Diesel Series 8v71 is a two-stroke diesel engine, which offers a displacement of 9.3 litres, 567.5 cubic inches.

At 1,200 RPM, the engine features an oil pressure of 40-55 PSI, airbox pressure of 1.1 inches mercury, and a fuel pressure at cylinder head of 40-60 PSI.

At 2,100 RPM, the engine features an oil pressure of 50-70 PSI, airbox pressure of 5.5 inches mercury, and a fuel pressure at cylinder head of 40-60 PSI.

In order for the engine to function flawlessly, the ideal coolant temperature is 160 to 18 degrees Fahrenheit.  It is important that the lubricating oil temperature is maintained between 200- and 235-degrees Fahrenheit for any speed between 1,200 and 2,100 RPM.

Detroit 8v71 Engine Dimensions

The 8v71 Non-Turbo Engine is 47 inches in length, 39 inches in width, and 51 inches in height. It weighs a little higher than 2,300 lbs.

On the other hand, the 8v71 Turbo Engine is 50 inches in length, 40 inches in width, and 53 inches in height. It is on the heavier side owing to its larger dimensions and weighs a little less than 2,500 lbs.  

Applications of The Detroit 8V71 Engine

The Detroit 8V71 engine is one of the most demanded because of its multifunctional quality, power efficiency, and reliability. Check out some of the primary uses of the Detroit 8V71 engine:

  • The application of the 8V71 engine is multifold, which means that it is the finest choice for both industrial and heavy vehicles including buses, trucks, and more. Its super robust construction and fine torque makes the 8V71 engine the most demanded for similar requirements. 
  • This engine is also the most suitable when it comes to usage in cranes, loaders, bulldozers, and other similar vehicles that are required for industrial jobs. The power efficiency is what keeps it going even in the most extreme situations. 
  • 8V71 is also by far the best choices for boats and ships propulsion. The durability and performance quality of this engine makes it highly reliable as the choice in these cases.
  • The usage of the Detroit 8V71 engine is also common in military vehicles because of its strength and ability to function in all types of environments.

The engine is also used for power generation. For example, it serves as generators and backup power systems for industries, hospitals, and more. Its capacity to deliver consistent power makes it useful in emergency cases.

Pros and Cons

Pros of Detroit 8v71 Engines

  • One of the most prominent advantages of the Detroit 8v71 is that the right-hand rotation engines can easily be converted to left hand rotation as per intended use. 
  • The Detroit 8v71 engines are known to facilitate fuel efficient idling.
  • Unlike the Eagles, Flexible, and MCIs of the same period, 8v71 engines do not face any rusting issues.
  • Detroit 8v71 engines are engineered to ensure low-cost convenient maintenance.  

Cons of Detroit 8v71 Engines

  • The heat thrown off by the turbo engines is quite high, hence the engines can take a long time to cool down.
  • As the engine ages, noise becomes an issue, especially when it isn’t maintained well! 


Despite a few drawbacks, Detroit Diesel Engines have managed to win the hearts of their owners and operators for decades! If you too have been looking forward to purchasing the Detroit 8v71 Diesel Engine, then you can always get in touch with Swift Equipment – your one-stop shop for new and used diesel engines! 

 

By | 2024-03-05T10:56:49-06:00 September 21st, 2021|Categories: Detroit diesel engine, Diesel Engine|0 Comments

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