Milwaukee 107 VS 114 [Complete Comparison]

When it comes to the world of Harley-Davidson motorcycles, engine size matters. 

Among the options riders have, the Milwaukee Eight 107 and 114 engines stand out with their unique features and performance capabilities. 

Each engine offers a different experience on the road, making the choice between the 107 and the 114 a significant decision for any avid biker. 

In this article, we will dive into the specifications, performance, and unique characteristics of both engines to help you choose the one that suits your riding style best.

Milwaukee 107 VS 114

The Milwaukee 107 and 114 are two distinct models from a renowned manufacturer, both designed with the intention of offering superior performance and durability. 

The Milwaukee 107, popular for its compact design and impressive power, is well-suited for tasks requiring precision and manoeuvrability. 

On the other hand, the Milwaukee 114, with its enhanced torque and extended battery life, stands as an ideal option for long-duration, heavy-duty tasks. 

1. Key Features

The Milwaukee 107 and Milwaukee 114 are both exceptional engines, each boasting distinctive features that set them apart.

Key Features of Milwaukee 107:

• This model is known for its compact size, which makes it highly efficient in tight spaces.
• Despite its size, the Milwaukee 107 is equipped with a powerful motor that delivers superior performance.
• It comes with a durable battery that provides extended runtime, enabling you to work longer without interruptions.

Key Features of Milwaukee 114:

• The Milwaukee 114 is built to last, featuring a robust construction that can withstand rigorous use.
• This tool is versatile, with several speed and power settings that can be adjusted to handle a wide range of tasks.
• One of its standout features is the ergonomic grip, which ensures comfort during prolonged use.

2. Horsepower 

When comparing the Milwaukee 107 and 114, one of the key factors to consider is horsepower, which is a measure of the engine’s power.

The Milwaukee 107 flaunts a robust engine that delivers remarkable horsepower. 

Renowned for its high efficiency, the 107 model’s engine can power through demanding tasks with relative ease. 

The engine is meticulously designed to optimize fuel consumption, thus providing an ideal blend of performance and efficiency.

On the other hand, the Milwaukee 114 takes things a notch higher with its exceptionally powerful engine that commands an even larger horsepower.

This model is well-suited to cope with more demanding tasks, providing a smooth ride with an impressive burst of power. 

Despite its larger horsepower, the 114 model maintains a commendable level of fuel efficiency.

3. Capacity 

The Milwaukee 107 is known for its compact and lightweight design, making it an excellent choice for tight spaces and who prefer a lighter tool. 

It boasts a powerful motor, delivering ample power for most household and light commercial tasks. 

Furthermore, the 107 is built with durability in mind, featuring a robust casing and superior internal components that ensure longevity.

On the other hand, the Milwaukee 114, while slightly larger, offers increased power and capacity, making it suitable for heavy-duty commercial work. 

Its robust motor provides the high torque necessary for demanding tasks, and its extended battery life ensures uninterrupted work periods. 

The 114 also offers enhanced user comfort, with an ergonomic design that minimizes hand strain even after extended use.

4. Torque 

The Milwaukee-Eight 107 and 114 engines are both exceptional powerhouses, each boasting impressive torque.

The Milwaukee-Eight 107 engine delivers a torque of 111 ft-lb at 3250 RPM. 

This engine, with its superior torque, is capable of providing the power and performance needed for a smooth and thrilling ride. 

Acceleration is smooth, and the power delivery is consistent, which makes this engine perfect for long trips or quick city rides.

On the other hand, the Milwaukee-Eight 114 engine steps up the game with an impressive torque of 119 ft-lb at 3000 RPM. 

This extra torque provides a noticeable difference in power and acceleration, offering a high-performance riding experience that many riders crave. 

Its power is not only felt during acceleration but also while cruising at high speeds.

5. Compression Ratio 

When comparing the Milwaukee 107 and 114 engines, one of the key technical aspects to consider is the compression ratio.

The Milwaukee 107 has a compression ratio of 9.7:1. The compression ratio is a critical factor in an engine’s efficiency. 

In layperson’s terms, this ratio determines how much the engine can squeeze the fuel-air mixture in the cylinder. 

A higher compression ratio can lead to increased power output, but it also requires higher octane fuel to avoid engine knocking. 

On the other hand, the Milwaukee 114 boasts a higher compression ratio of 10.5:1. 

This indicates that the 114’s engine squeezes the fuel-air mixture more than the 107, potentially providing greater power. 

However, it’s worth noting that this higher ratio necessitates the use of high-octane fuel to prevent engine knocking. 

The 114’s compression ratio may appeal to enthusiasts seeking maximum power, albeit at the expense of fuel consumption.

6. Fuel Consumption 

The Milwaukee 107 engine, Harley-Davidson’s standard engine for their touring line, is known for its efficiency. 

It has a displacement of 1746cc and provides a balanced mix of performance and fuel economy. 

With its precision cooling technology, it maintains a consistent operating temperature, which contributes to its overall fuel efficiency.

On the other hand, the Milwaukee 114 engine, with its larger displacement of 1868cc, provides more power and torque. 

While it does consume more fuel due to its larger size and increased power output, it is still designed with efficiency in mind. 

Advanced fuel injection and efficient combustion processes ensure that the engine delivers excellent performance without excessively consuming fuel.

7. Engine Size 

The Milwaukee 107, known as the ‘standard engine,’ has a displacement of 107 cubic inches, equivalent to 1753 cc. 

With a bore x stroke ratio of 100 x 111.1 mm, this engine is renowned for its impressive torque of 111 ft-lb achieved at 3,250 rpm. 

The 107 engine provides a robust performance, ideal for long trips, with its smooth and consistent power delivery.

On the other hand, the Milwaukee 114 engine, often referred to as the ‘premium engine,’ boasts a larger displacement of 114 cubic inches, or 1868 cc. 

It has a bore x stroke ratio of 102 x 114.3 mm, delivering a staggering torque of 119 ft-lb at 3,000 rpm.

This engine is built for riders looking for extra power and speed, offering a more exhilarating ride with its superior torque output.

8. Stroke Type 

The Milwaukee-Eight engine series, namely the 107 and 114, are renowned for their impeccable design and superior performance. 

The primary difference between the two lies in their displacement, which essentially means the total volume of all the cylinders combined.

The Milwaukee-Eight 107 engine is equipped with four stages, intake, compression, power, and exhaust, offering a balance between power and fuel efficiency. 

Comparatively, the Milwaukee-Eight 114 operates on a four-stroke combustion cycle, delivering higher torque and overall performance. 

This engine’s increased power and acceleration make it a perfect fit for riders seeking a more thrilling and high-speed experience.

9. Additional Features

The Milwaukee 107 and 114 engines come packed with additional features that significantly improve their performance.

Enhanced Cooling System

Both engines benefit from a sophisticated cooling system that optimally manages heat. 

This ensures that the engine maintains its performance even under demanding conditions and extends its lifespan.

Refined Vibration Management

These engines have a well-engineered vibration management system. 

By minimizing vibration, it provided a smoother riding experience, reducing fatigue during long journeys.

Improved Fuel System

The fuel delivery system is efficient and ensures that the engine gets an adequate and consistent supply of fuel. This results in better power delivery and increased fuel efficiency.

Innovative Valve Train

They also feature an innovative valve train system that ensures seamless engine operation. It contributes to better power delivery and smoother engine performance.

Future Proof

Notably, the Milwaukee 107 and 114 engines are future-proof. They incorporate the latest technology and can be upgraded to meet ever-evolving compliance norms and user expectations. 

This makes them a smart choice for riders looking for a long-term motorcycle engine solution.

Which Should You Consider, Milwaukee 107 or 114?

When it comes to choosing between the Milwaukee 107 and 114 engines, several factors come into play. 

Both engines, produced by Harley-Davidson, have their distinct strengths and characteristics that make them appealing to different riders.

The Milwaukee-Eight 107 engine, with its displacement of 1753cc, delivers a smooth yet powerful ride. 

The precision cooling technology reduces engine heat, and the refined dual bending valve front suspension and easily adjustable emulsion rear shocks.

On the other hand, the Milwaukee-Eight 114 engine, with a displacement of 1868cc, provides a noticeable step up in terms of power and torque. 

The larger displacement translates into faster acceleration and improved performance, especially for highway riding or carrying a passenger and luggage.

However, the choice between the 107 and 114 isn’t just about power and displacement. 

It’s also about your riding style, budget, and the type of experience you want on the road. 

While the 114 might be the better choice for hardcore riders seeking the ultimate performance.

On the other hand the 107 can deliver a more manageable, comfortable ride for daily commuting or long-distance touring.