Can one machine do the whole job?

A single carrier with a single attachment can complete a great many clearing jobs from start to finish. It cannot complete a job that crosses from cutting into carrying, or from surface work into excavation — and knowing which side of those lines your scope sits on tells you how many contractors you are hiring.

Published by the Land Clearing Authority editorial team · Last revised 2026-07-29 · Editorial policy · Corrections

Who this is for

Owners whose scope includes both cutting and moving material
Anyone quoted by a contractor who owns exactly one machine
People whose site has areas needing different treatment

The short answer

Yes, where the scope is a single operation. Reduce standing growth and leave it — one machine, one attachment, one contractor, and the simplest project you can buy.

No, where the scope crosses an operation boundary. Cutting and then gathering, loading, and hauling are separate functions needing different attachments and usually a second machine to keep the first productive.

Definitely not, where the scope crosses a trade boundary. Above-grade cutting and below-grade excavation are different trades with different machines, different insurance, and frequently different firms.

The useful reframing: stop asking how many machines and ask how many operations your scope contains. The machine count follows from that, and so does the number of quotes you need.

What changes the answer

Whether material stays on site or has to leave
Whether anything below grade has to be removed
How large the area is, and whether one machine can finish it in reasonable time
Whether parts of the site need a smaller machine to reach
Whether a finished surface tolerance is required

Operations, not machines

Count the operations in your scope. Each one is a function that has to be performed by something.

Operations and what performs them
Operation	What performs it	Same machine as cutting?
Reduce standing growth	Carrier with a cutting or mulching head	Yes — this is the cutting
Gather and pile material	Grapple, rake, or bucket	Same carrier, different attachment
Load into a vehicle	Loader or excavator with a grapple	Usually a second machine
Haul off site	Truck or trailer	No
Remove stumps and root plates	Excavator or dedicated grinder	No
Shape and level the surface	Dozer, grader, or excavator	No

Why attachment changes are not free

A single carrier can run several attachments, and swapping them takes time on site.

On a job where cutting and gathering alternate, the machine either changes attachment repeatedly or does all the cutting first and all the gathering second. The second approach is more efficient and means material sits on the ground longer, which matters if you are working in phases or if weather is closing in.

It is worth asking how a contractor intends to sequence it, because a plan that involves many swaps is a plan with unproductive hours in it.

The one-machine contractor question

Most small clearing firms own one carrier and one or two attachments. That is not a limitation to hold against them; it is a business model, and within its range those operators are frequently the best value available.

The risk is a scope that exceeds the range. A single-machine contractor asked to quote a job needing haulage and stump removal has three honest options: subcontract, decline the parts they cannot do, or quietly leave them out of the scope. The third is where problems come from, and it is rarely deliberate.

Which is why asking directly is worth the awkwardness: which parts of this scope would you subcontract, and which would you decline? A contractor who answers clearly is telling you exactly what you are buying.

Where a second machine earns its keep

On larger removal jobs a second machine is not redundancy, it is throughput.

A cutting machine that has to stop and gather its own material is idle as a cutter for half its time. Pairing it with a loader lets each do one thing continuously, and the total hours fall even though two machines are on site.

Whether that arithmetic works on your job depends on volume. On a small parcel the second mobilisation swamps the saving; on a large one it usually does not. Asking a contractor to explain their machine plan in those terms is a reasonable request and it separates the ones who have thought about it.

What subcontracting changes for you

Where a contractor passes part of the scope to somebody else, three things change and only one of them is about money.

You gain a single point of contact and lose direct visibility of the subcontracted work. You acquire a second firm on your property whose insurance and competence you have not checked yourself. And you pay a coordination margin, which is a legitimate charge for real work.

None of that is a reason to refuse. It is a reason to ask who the subcontractor is, whether their insurance has been verified, and who is responsible if their part of the work is not to standard.

Sites that need two sizes rather than two types

A different case: one operation, two machines, because the site has two kinds of ground.

A parcel with open acreage and a tight strip beside a house cannot be worked efficiently by one size of machine. The large carrier is wrong for the strip and the compact one is wrong for the acreage.

The honest answers are to accept slower work on the open ground with a small machine, to bring both, or to split the job between two contractors with different equipment. All three are legitimate and all three should be priced rather than discovered.

What drives the cost

Cost drivers on this kind of project
Driver	Effect
Number of distinct operations in the scope	Each one needs something capable of performing it
Attachment changes during the job	Swaps consume machine time that is not spent working
Second machine mobilisation	Throughput gain against an extra transport and setup
Range of ground conditions on one site	Two very different areas may need two machine sizes
Subcontracted portions	Work passed on carries its own margin and coordination

Common mistakes

Asking how many machines instead of how many operations
Accepting a yes to a scope that crosses a trade boundary
Assuming one carrier means one attachment
Comparing a one-machine quote against a two-machine quote as equivalents
Sizing the whole job for the largest area and ignoring the tightest corner

Questions to ask a contractor

How many separate operations does this scope involve?
Which parts would you subcontract, and which would you decline?
How many attachment changes does your plan require?
Would a second machine reduce the total hours here?
Can one machine size handle both my open ground and the tight strip?

What to do next

List the operations your scope contains, not the machines
Ask each bidder which operations they perform themselves
Get separate prices for any operation crossing a trade boundary
Check whether one machine size suits every part of the site

Questions people actually ask

Is a contractor with one machine a bad choice?

Not at all, within the range that machine covers. The question is whether your scope stays inside that range, and the way to find out is to ask which parts they would subcontract or decline.

Does a second machine always cost more?

It always costs another mobilisation and it can reduce total hours enough to be cheaper overall on larger removal jobs. On small parcels it rarely pays. Ask the contractor to explain the arithmetic for your job.

Can one machine both mulch and remove stumps?

Those are different operations using different attachments, and stump removal is a different trade. Some carriers can run attachments for both, and whether a given contractor does that work is a question to ask directly.

Should I hire two contractors to save money?

Sometimes, where the operations are genuinely separable and each specialist is more efficient. What you take on is the coordination between them, including who leaves the site in what condition for the next.