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Excavator Sizes: 7 Tips To Get It Right
Excavator Sizes: 7 Tips To Get It Right
Choosing right excavator sizes plays a huge role in the success of your project. Get it right, and your project will go more smoothly; get it wrong and it may cost you dearly.
Because excavators as so versatile, they can be used for all kinds of projects like road works, land clearing, digging pools and ponds, house demolition, stump removal and more. It’s the reason they are one of the most common and popular construction machines around—but it also makes it difficult to know which excavator suits your project scope and needs.
1. Know What Work Needs to be Done
What do you need an excavator for? Stump removal? House demolition? Clearing trees? All these jobs can be completed with an excavator, but require different engine power, reach, breakout force and attachments.
Establishing what is needed to complete the job is the first step to choosing the right size excavator and which attachments you may need. At this point you may require an excavator with a quick-attach feature for maximum productivity onsite.
2. Understand The Size, Scope and Access of the Job Site
Similarly to knowing the job, you also need to take into account the scope of the work. Will you clearing a small residential lot or a large commercial lot spanning over acres? Is the site easily accessible, or will you need to organise tight-access mini excavators? Perhaps a knuckle boom excavator will be required for those hard-to-reach places.
3. Know How Much Earth Needs to be Excavated
Knowing the capacity required for your excavator will greatly narrow down your search. In general, the larger the excavator, the greater its bucket capacity.
Having a good understanding of how much needs to be dug and moved will give you a clearer idea on whether it’s worth paying more for a larger excavator for faster completion, or opt for a smaller excavator but extending the job.
4. Check For Any Other Special Requirements
While scoping the job, check the terrain for any possible requirements for specialist excavators. Look for things like swamps, steep hills, tight spaces, etc. Specialist excavators can include:
Long-reach excavators
Knuckle-boom excavators
Zero-swing excavators
Spider excavators
Swamp excavators
5. Know Your Excavator Sizes & Their Uses
When it comes to excavator sizes and their applications, it’s important to get it right. Here’s a quick guide to excavator sizes and their uses.
MINI EXCAVATORS
excavator sizes - mini excavator
Mini excavators, also known as compact excavators, are tiny machines built for tight-access spaces and light digging work. Weighing between 0 – 7 tonnes, these excavators are lightweight and therefore do the least damage to fragile infrastructure such as footpaths. They’re also very easy to transport, thanks to their compact size.
Mini excavators are ideal for:
Tight-access area work
Digging foundations & ponds
Drilling & backfilling
Levelling ground & removing tree stumps
SMALL & MEDIUM SIZE EXCAVATORS
medium size excavator
If your job requires a little more capacity, a standard excavator (from 7-50 tonnes) may be a good option. These excavators can cover a wide variety of tasks and jobs. The smaller excavators are ideal for more light, nimble work, while the larger excavators are built for powerful digging jobs.
Standard excavators are ideal for:
Building & construction
Digging pools
Trenching
Material handling
Dredging
Forestry work
Demolition
LARGE EXCAVATORS
excavator sizes - large excavator
Large excavators (from 50 – 100 tonne) are the workhorses of the pack. Their built to be strong, solid and with huge horsepower and breakout force. When your project calls for large levels of earthworks, these may be the excavators you need. They are not very maneuverable (for obvious reasons). You will require specialist transport and equipment to get it from site to site.
Large excavators are ideal for:
Big construction projects
Large-scale commercial earthworks
Home demolitions
Levelling
MINING EXCAVATORS
excavator sizes - mining excavator
And lastly, mining excavators (over 100 tonnes) head up the excavator family. These things are absolute beasts and are used primarily for mining applications, such as surface excavation. Mining excavators are so massive, they require a large amount of level ground to operate on.
6. Decide on hiring vs buying an excavator
If you’re tossing up between hiring or buying an excavator for your project, we’ve put together a quick list of pros and cons that may help you decide. Either way, we have plenty of excavators for sale and excavators for hire on our site.
BENEFITS OF HIRING AN EXCAVATOR
More flexibility for the job
A larger range to choose from
No need to store the excavator once the job’s done
No ongoing maintenance or insurance
Lower initial investment
BENEFITS OF BUYING AN EXCAVATOR
Less risk of breakdowns or maintenance issues
Better for long-term projects
It’s available to you 24/7
You have the option to hire out your equipment yourself
Cheaper in the long run
Less downtime
Can get a return on your investment when you sell it