4 Advice to Choose a high reach arm demolition supplier

There's a saying I like ' you can do a small job with a big machine, but not vice versa. Not enough contractors realize those words apply to high-reach excavators. The result: They miss out on an opportunity.

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Whether you are a smaller contractor looking to get into demolition or you want to start bidding on larger demo projects, you should consider a high-reach demolition excavator. A common misconception about these machines is that they have a limited use. Yes, they are designed for high-reach projects. However, if you have the right machine, there is no reason they cannot be multi-use tools capable of working on all your jobs.

If you are a contractor considering making the leap to the high-reach demolition market, here are three tips to help you in the decision-making process.

#1 ' Selecting the right boom configuration

It's important that you choose a high-reach excavator that has boom options that will allow you to compete for the demolition jobs you want to go after and offer you the versatility to take on a variety of jobs.

For example, with commercial high-rises, like a hotel, the structure may have lighter steel at the top of the building, so you'll want to prioritize maximum pin height over tool weight, because you may only need a mid-size tool.

For the middle of a building or a mid-sized structure, like an industrial building, you won't need as much height, but you will need a stronger tool that can cut through that stronger material.
The strongest, thickest material is often at the bottom of a structure. You won't need as much height, but you will need a boom configuration that can support a heavier tool. The same goes for processing material at or near ground level.

Finally, just because it's a high-reach excavator doesn't mean you shouldn't be able to use it for digging or earth-moving. Look for a machine with a digging boom option for added versatility.

Volvo's newest demolition excavator, the EC750E HR high-reach excavator, offers an example of what you could look for. The EC750E HR has two high-reach demolition boom sets and one digging boom set with an extension:

• High-reach boom with a 118-foot maximum pin height while carrying a tool of up to 8,000 pounds
• High-reach boom with an 85-foot maximum pin height while carrying a tool of up to 11,000 pounds
• Digging boom set with a 14.4-foot extension allows for a 59-foot pin height

#2 ' Choosing factory-built vs. aftermarket customization

After you've determined what boom configurations you need, you'll want to evaluate whether you should work with a third party to convert a standard excavator into a high-reach machine or if you should purchase a factory-built high-reach excavator.

Something to keep in mind with a third-party boom is that adding that to your excavator means the machine has essentially been built twice: first as a standard excavator, then with the high-reach boom added on. Now you're dealing with two companies when it comes to repairs, warranties and other issues. I've seen many contractors get stuck in the middle when a problem arises, with the other two parties blaming each other. A factory-built high-reach excavator means service needs only require one call and parts can come faster.

Also, consider the performance advantages of having a machine that is designed to do high-reach demolition work. From the platform to the cab to safety features ' a purpose-built machine was designed and manufactured to do the work you're asking it to do. For example, Volvo machines have factory-fit demolition guarding kits that provide maximum protection to the machine, cab structure and operator. Replacement guard parts, if needed, are all factory supplied and available through your supporting dealer.

Factory-built also means changing out the boom and attachments is easier. For example, watch this time-lapse video of a single operator swapping out a high-reach boom for a digging boom and arm on a Volvo EC480E HR high-reach excavator in 45 minutes without assistance from another laborer.
For more information on differences between factory-fitted and aftermarket excavators, read this blog post I wrote last year.

#3 ' Design differentiators

If you decide to go with a factory-built machine, know that there are design differences between brands. Some I've already touched on, such as the boom configurations that are offered and the ability to easily change between high-reach and digging configurations. Another is the hydraulically tilted cab on Volvo high-reach excavators, enhancing visibility and reducing operator fatigue and neck strain.

Interestingly, it's a component that's close to the ground ' the undercarriage ' where a lot of other differentiators are. Look for a high-reach excavator with an undercarriage that provides a larger footprint for added stability. A retractable undercarriage that expands can also provide additional stability when needed. Also, a hydraulic extendable undercarriage allows for a 360-degree working range, decreasing the time spent repositioning the machine. It can also be helpful if the undercarriage features easy-to-remove track frames and the ability to self-disassemble and reassemble for easier transportation.

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Profits in demolition are oftentimes maximized by how much you can save in your day-to-day operations. Lower fuel consumption is one way to lower costs ' reduced maintenance and downtime is another.

Lowering operating costs ultimately improves your machine's total cost of ownership (TCO). These tips are designed to help you select the best demolition excavators out there to improve your TCO.

1. Identify what you have versus what you need.

Start by asking yourself what gaps you currently have in your fleet or what tasks you're unable to do efficiently, or at all, on your projects. Whether you need high reach, secondary processing or interior demolition, these may all call for very different products.

2. Determine which excavator meets the need.

If there are multiple gaps in your lineup, you and your dealer rep should look at what product will best address your range of needs. For example, a high-reach excavator provides a lot of versatility thanks to its interchangeable boom.

As an example, a Volvo EC750E HR has two high-reach demolition boom sets and one digging boom set with an extension:

• High-reach boom with a 118-foot (36 m) max pin height while carrying a tool of up to 8,000 lbs (3,628 kg).
• High-reach boom with an 85-foot (26 m) max pin height while carrying a tool of up to 11,000 lbs (4,989 kg).
• Digging boom set with a 14.4-foot (4.4 m) extension that allows for a 59-foot (18 m) pin height.

A clean-up excavator is often considered more of a commodity and not given the same consideration as the demo machine itself, but this is a mistake. Clean-up excavators should have durable, factory-fitted features just like the others to protect your team members, operating costs and potential resale value.

3. Identify your tool size requirements.

Next, think about what type and size of tool you'll need and which excavator can handle that tool from a weight and flow perspective. We've provided some primary demolition attachments and their respective considerations in this blog article.

4. Compare aftermarket versus factory-fitted machines.

If you're using a standard excavator with aftermarket guarding and hydraulics for demolition jobs, I encourage you to look into a purpose-built machine. Factory-fitted machines can save you a lot of time, hassle and money. Consider the guarding and hydraulic options you'll need ' and if your OEM truly builds a demolition excavator, it should have those from factory.

We all know safety is the highest priority on a demolition job, and factory fitting often means a safer machine. Almost every OEM that purpose-builds their high-reach excavators includes a modular joint boom concept, but the pins that hold the joint to the boom can differ. Some use a half hook for the top pin and short pins on the bottom. However, a well-designed demolition excavator uses full-length hydraulic pins. Because they're hydraulic, an operator can pull them out without leaving the cab, which is always preferable.

Aftermarket guarding packages can run upwards of $20,000 and involve working with a third party that will provide limited support. A purpose-built machine will come with proper guarding and full support. Factory-fitted also typically means reinforced frames, extra counterweight, a high visibility cab, optional tilting for added visibility and safety, and dust suppression.

And let's not forget, if there's a problem with a converted machine, it's common for third parties to point fingers at each other ' and your warranties may be voided.

5. Ensure you're considering reliable machines with adequate support.

Be sure to discuss the long-term reliability of the excavator. Will it stand up to the intense daily demands of demolition? Many of the features I mentioned in the factory-fitted section apply here as well, but I have a couple more:

• Look for a demolition excavator with an undercarriage that provides a large footprint for stability. A retractable undercarriage that expands can provide additional stability when needed. Also, a hydraulic extendable undercarriage allows for a 360-degree working range, decreasing the time spent repositioning the machine. It can also be helpful if the undercarriage features easy-to-remove track frames and the ability to self-disassemble and reassemble for easier transportation.
• I also recommend looking for an OEM that offers support like a lifetime frame, boom and arm warranty on top of a high-quality product.

6. Determine what technology to incorporate.

There are so many useful technologies these days, so ask your rep what might be best for your specific situation. If you do your own loadout, you'll likely want an option for load weighing. If you have a high reach, you'll want a good camera for improved visibility. In some cases, you'll want telematics to stay informed on machine health. And on especially dangerous sites, you may want to consider remote-controlled excavators.

Bonus tip: Don't get hung up on an excavator's purchase price alone. While it's certainly a significant factor, the right investment using the advice above will get you a solid 10 years of product life or more. Remember that TCO is the number to focus on ' talk these points through with your dealer and you'll be ready to get to work.

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