Have you heard the terms 774 or 994?

HAAS TYRON 2000: What’s the Difference Between 774 and 994 Shaft Configurations?

When it comes to shredding, it’s easy to focus on the big numbers – engine power, throughput and machine size.

But there’s another part of the HAAS TYRON 2000 that has a big impact on how the machine performs: the shaft configuration.

The TYRON 2000 can be equipped with two different shaft configurations, these being the 774 and 994 setups. While they may look similar at first glance, the difference in the way the shafts are configured changes how the machine processes the material.

So, what actually is the difference and which configuration is right for you?

First things first: what is the shaft configuration?

The TYRON 2000 uses two independently driven shredding shafts. The tools and tool carriers fitted to those shafts determine how the material is grabbed, pulled in and broken down.

Changing the configuration changes the amount of cutting and shearing action taking place inside the shredding chamber.

That means the right setup depends on what you’re putting into the machine and what you want to get out of it.

The 774 configuration

Lets start with the 774 configuration which is the more open of the two setups.

With fewer tools interacting with the material, there is more space between the cutting points. This gives the material more room to move through the shredding chamber and makes the configuration well suited to aggressive primary shredding and applications where the smallest sized output isn’t necessarily the priority.

It can be particularly useful when you’re dealing with larger or difficult materials and want the TYRON to get through significant volumes without requiring an especially fine output.

774 in a nutshell:

• More open shaft configuration
• Fewer cutting points for larger material to push through
• Suited to aggressive primary shredding
• Useful where a coarser output is acceptable
• Good for applications where throughput and material handling are key considerations

The 994 configuration

The 994 configuration increases the number of tools interacting with the material.

That means more cutting and shearing points as material passes through the shredding chamber.

The result is a more aggressive interaction with the material, making the 994 configuration particularly useful when a smaller or more controlled output is required.

Rather than simply pulling large pieces apart, the additional tooling gives the material more opportunities to be broken down as it passes through the machine.

• 994 in a nutshell:
• More tools interacting with the material
• Increased cutting and shearing action
• Better suited to applications requiring greater size reduction
• Can help produce a more controlled output
• Useful where output specification is more important than simply achieving primary reduction

So, which one is better?

This is where it gets interesting.

Neither configuration is simply “better”. The 774 and 994 are designed to suit different applications.

If you’re primarily looking to reduce bulky material quickly and don’t need a particularly fine output, the 774 can be a strong choice.

If you’re looking for greater size reduction and more interaction between the tools and the material, the 994 may be the better option.

It’s a bit like choosing the right tool for the job. You wouldn’t use the same setup for every material – and that’s exactly why the TYRON can be configured to suit different applications.

It’s not just about the shafts

Of course, the shaft configuration is only one part of the equation. The final output from a TYRON 2000 is also influenced by factors including:

• The material being processed
• The size and composition of the feedstock
• Tool configuration
• Breaker bar and counter-comb setup
• Shaft speed
• Machine settings
• Operator input

This is why two TYRON 2000 machines with different configurations can behave quite differently, even when processing similar materials.

Choosing the right configuration for your application

The best shaft configuration ultimately comes down to what you’re trying to achieve.

• Are you processing bulky waste and looking for primary reduction?
• Are you processing wood and looking for a particular chip size?
• Are you preparing material for a downstream screen or separation process?
• Or are you simply looking to maximise the amount of material you can process?

These questions are much more important than simply asking whether a 774 or 994 shaft is “better”.

At CRJ, we can help you look at the application as a whole and determine which TYRON configuration is most appropriate for the material you’re processing and the output you’re looking to achieve.

Want to see the difference for yourself?

The best way to understand what different shaft configurations can do is to see them working.

Speak to the CRJ team to discuss your material, required output and the right TYRON 2000 configuration for your operation.