Plant all risks insurance: what contractors need to know

The excavator was six months old, financed, and still earning its keep on a road-widening project outside Polokwane when the site was broken into overnight. By morning the machine was gone, two pins had been stripped off a second unit, and the foreman was on the phone to the contractor's insurer. The insurer pointed at a clause requiring immobilisers on units over a certain value. The excavator had one fitted, but the dealer had never registered it with the insurer, and there was no endorsement on the schedule to say so. The project stalled, the finance repayments continued, and the shortfall was the contractor's problem.

What is plant all risks cover?

Plant all risks cover is a policy built specifically for mobile construction and earthmoving equipment, excavators, graders, TLBs, compactors, forklifts, cranes, and similar machines. It pays for loss or damage arising from accidental causes including theft, fire, overturning, collision, and operator error, while the machine is on-site, in transit, or temporarily stored between projects. The term "all risks" means the policy covers every cause of loss unless the wording specifically excludes it, which is a broader starting point than a named-perils policy covering only what it lists.

Key Takeaways

• Plant all risks cover responds to accidental damage, theft, fire, and overturning, the routine exposures contractors face on every site.
• "All risks" is a legal term of art meaning cover is presumed unless specifically excluded; read the exclusions, because they define the real scope of cover.
• Most policies distinguish between own damage, theft, and third-party liability; each carries its own sub-limit and conditions.
• Geographic limits are consequential: cover applying on South African sites may not follow the machine across a border into Mozambique or Zimbabwe without a specific endorsement.
• Theft claims are the most frequently disputed under plant policies; immobiliser compliance, tracking device fitment, and overnight securing requirements must be met for the claim to stand.
• A hired-in plant endorsement extends cover to machinery you lease rather than own, closing a gap most contractors discover too late.

How plant all risks cover defines "the machine"

Plant all risks cover attaches to the machine, not to the project it works on, and the policy's definition of the insured item decides what is paid at claim time. A standard plant policy covers the chassis, the working attachments, the bucket, the blade, the forks, and the engine, but it may treat specialist attachments purchased separately as items needing their own listing on the schedule.

This distinction becomes expensive when an unscheduled hydraulic hammer or compaction wheel goes missing. The contractor assumed it was covered as part of the excavator. The policy's definition of the insured plant stopped at the standard bucket. Specialist attachments not listed and not valued separately fall into a gap the schedule never warned about. The practical fix is a full equipment audit at policy inception: list every attachment, give it a replacement value, and confirm in writing that each item appears on the schedule. An attachment worth R180,000 that takes a site out of production for three weeks is not an afterthought.

The same logic applies to tyres on wheeled plant. Tyre cover is frequently sublimited or excluded entirely, on the basis that tyres are a consumable rather than a capital item. A grader operating on a gravel road through the Northern Cape replaces tyres regularly, but replacing a tyre after a blowout caused by a road hazard is a different claim to routine wear. Confirming whether the policy treats accidental tyre damage as a covered loss, or routes it to the exclusion, is worth doing before the blowout.

Theft cover and the conditions attached to it

Theft is the single most common loss under plant all risks cover, and it is the section of the policy most likely to generate a disputed claim. The South African construction industry loses hundreds of millions of rands worth of plant each year to organised theft syndicates moving machines across provincial and national borders within hours of an incident. Insurers have responded by loading the theft section with conditions rather than raising premiums indefinitely, and every one of those conditions is a potential repudiation if it isn't met.

The most common conditions are: a functioning TRACKER or equivalent approved tracking device fitted and active at the time of loss; an immobiliser installed to the manufacturer's specification and registered with the insurer; overnight securing requirements specifying that machines must be chained, locked, or parked in an enclosed compound when not in operation; and immediate reporting to the South African Police Service with a case number provided to the insurer within 24 hours.

The tracking device condition deserves particular attention. Some policies require not only that a device is fitted, but that the subscription is current and the monitoring centre responded when the loss event was triggered. A tracking device with a lapsed subscription is, for the purposes of the claim, no device at all. Contractors running large fleets sometimes allow device subscriptions to lapse on older machines to reduce running costs. The saving is real; the exposure it creates is larger.

Common theft claim conditions under South African plant policies

Accidental damage and operator error

Accidental damage cover under plant all risks cover pays for losses caused to the machine, not for the machine causing loss to someone else, that is a liability question handled separately. Overturning during operation, collision with another machine or a fixed structure, damage during loading and offloading, and fire are the most common accidental damage claims in the South African market.

Operator error sits inside the accidental damage section in most policies, meaning a TLB driver who misjudges a trench wall and tips the machine into the excavation generates a covered loss. What operator error doesn't cover is mechanical breakdown caused by running a machine without oil, water, or coolant, or continuing to operate a unit displaying a fault warning. Insurers distinguish between an accident, an event happening suddenly from an external cause, and damage resulting from neglect or wilful misuse, and the line between the two is where most contested accidental damage claims are argued.

The practical implication is that pre-use inspection records and operator training logs carry weight at claim time. A well-documented inspection regime, with signed daily checklists, makes the case that a sudden failure wasn't a maintenance failure. A machine with no inspection records and a damaged engine showing signs of oil starvation is a much harder claim to present.

Geographic limits and cross-border cover

Most standard plant all risks policies cover the machine while it is operating anywhere in the Republic of South Africa. They stop at the border, and contractors working across the Southern African Development Community region need to know exactly where their cover ends.

Cross-border projects are common in the infrastructure sector: a South African contractor might move a fleet of machines into Zambia, Mozambique, or Eswatini for a roads or water project running for eighteen months. Without a specific territorial endorsement, a clause added to the policy extending cover to named countries, every day those machines operate outside South Africa is an uninsured day. The endorsement is available, but it carries an additional premium and often requires the insurer to approve the specific countries and the nature of the project.

Transit cover is a related question. Plant policies typically extend cover while machines are in transit on a low-loader, but the geographic limit applies here too. A machine transported from Johannesburg to Maputo on a flatbed is uninsured the moment the truck crosses the border, unless the cross-border endorsement is in place. The insurance industry's SAIA guidelines on portable and mobile asset cover offer a useful framework for understanding how territorial limits are structured across asset classes.

Hired-in plant and the contractor's gap

A contractor who owns their equipment faces a clean insurance question: cover what's on the schedule. A contractor supplementing owned plant with hired-in machines, rented from an equipment hire company for a specific contract, carries a more complicated exposure, and many miss it entirely.

When plant is hired in, the hire agreement almost always places responsibility for loss or damage on the hirer during the hire period. The equipment owner's own policy doesn't cover the hirer's negligence; it covers the owner's asset. If a hired excavator is damaged or stolen while in the contractor's care, the contractor owes the owner the cost of repair or replacement under the hire agreement, and that liability needs a cover response.

The hired-in plant endorsement does exactly that. It extends the contractor's own plant policy to cover machinery in their care, custody, or control under a hire agreement, up to a specified limit per machine and in aggregate. Without it, a contractor damaging a hired machine worth R2.5 million has a contractual debt and no insurance. The South African Insurance Association's construction risk guidance and the Financial Sector Conduct Authority's policyholder protection rules both reinforce the principle that cover must match the actual risk held, which for most contractors includes hired-in plant.

What plant all risks cover does not pay for

"All risks" sounds reassuring, and it is meant to. It is also the most reliably misunderstood phrase in commercial insurance. The exclusions in a plant policy define the real scope of cover as precisely as the insuring clause, and they tend to cover more ground than contractors expect.

Standard exclusions include: wear and tear, gradual deterioration, and corrosion, the normal ageing of a machine regardless of how well it is maintained; mechanical or electrical breakdown unless caused by an accidental external event, meaning an engine seizing from internal failure isn't a plant claim; damage caused while the machine is operated outside its rated capacity or for a purpose it wasn't designed for; and losses arising during illegal or unlicensed operation. The FSCA's policyholder protection framework requires insurers to communicate exclusions clearly at inception, but the obligation to read and understand them sits with the insured.

Consequential loss, the revenue you lose while the machine is off-hire, sits outside a standard plant policy entirely. If a crane is out of commission for eight weeks following a collision, the daily hire rate lost, the penalties under the building contract for missed deadlines, and the cost of sourcing a substitute machine are all consequential losses. They need separate cover if they need cover at all: a contracts works or contractors' consequential loss endorsement, depending on the insurer and the risk profile. Most contractors have never been offered one.

When the exclusions decide what your claim pays

The exclusions in a standard plant policy aren't fine print, they are the architecture of the cover, and the difference between recovering in full and carrying the shortfall is almost always found inside them. Equipment earning its keep one project at a time deserves a policy reviewed with the same attention.

You shouldn't have to discover at claim time what your plant policy excludes. With Mont Blanc Financial Services you won't.

Contact Mont Blanc Financial Services to have your current plant schedule reviewed, your exclusions explained in plain language, and your cover aligned to the actual risk your fleet carries on site.

The questions contractors ask about plant all risks cover tend to fall into the same categories: what the theft conditions require, whether hired-in equipment is covered, and what happens when a machine goes down mid-project and the revenue stops with it.

Frequently Asked Questions

Does plant all risks cover include third-party liability when my machine damages a structure or injures someone?

Standard plant all risks cover addresses damage to the machine itself. Third-party liability, the legal obligation to pay a third party for property damage or bodily injury caused by your machine, is a separate cover, typically written as a plant liability section or a public liability extension. Some combined plant policies include both in a single document with separate sub-limits; others treat them as entirely separate products. The confusion arises because "all risks" sounds comprehensive enough to extend to liability, and it doesn't. A concrete pump damaging a property boundary wall, or an excavator striking an underground service and causing injury, generates a liability claim your plant damage section won't respond to. Confirm whether your policy includes a third-party section, what its limit per occurrence is, and whether it extends to situations where your machines operate near public roads or neighbouring properties. If the liability section is absent, a standalone public liability policy for contractors fills the gap. Reviewing both sections at renewal, rather than treating them as separate conversations, avoids the overlap and the gaps that cost contractors most.

What happens to my plant all risks cover if I hire my machine out to another contractor?

When you hire your machine to a third party, you transfer physical control of it, and most plant policies respond to that transfer by suspending cover for the hire period, unless you notify the insurer and the arrangement is endorsed. The logic is that the insurer underwrote your operation and your operator risk, not an unknown third party's. If the hired-out machine is damaged or stolen while in the other contractor's hands, a policy without a hire-out endorsement may decline the claim on the basis the insured's possession was broken. The correct approach is to notify your broker before the hire commences, confirm whether an endorsement is available, and verify the hirer's own policy covers their liability for the machine in their care. The hire agreement should also address which party carries the risk, in writing, before the machine leaves your yard. Some insurers will extend cover for occasional hire-out arrangements at no additional premium; others treat it as a material change requiring a new rate. Finding out in advance costs nothing.

Does plant all risks cover respond to load-shedding damage to plant electronics?

Load-shedding and power surge damage to plant electronics isn't automatically covered under a standard plant all risks policy, and the answer depends on how the damage occurred and how the wording defines the insured peril. Modern earthmoving equipment carries sophisticated electronic control units, and a power surge during reconnection can damage them without any mechanical cause. If the machine was connected to a site power source when the surge occurred, the claim may be argued as an electrical surge event rather than accidental damage, and the policy's treatment of electrical damage determines whether it responds. Some policies include surge cover by endorsement; others exclude it entirely. With load-shedding cycles affecting South African construction sites regularly, confirming your policy's position on electronic damage caused by power events is a practical step worth taking at renewal. The FSCA's policyholder protection rules require your insurer to explain this at inception on request. Ask your broker to put the answer in writing so there is no ambiguity if a surge event occurs.

How does the insurer value a plant claim, replacement or market value?

Most plant policies pay on a replacement value basis for newer machines and on an indemnity basis, meaning market value at the time of loss, for older ones, and the threshold between the two is usually defined in the policy wording by the age of the machine. Replacement value means the cost of buying a new equivalent unit; indemnity value means what the machine was worth on the secondhand market the day before the loss. The gap between those two figures widens as equipment ages, and on a machine with five or six years of use, it can be substantial. Some policies allow you to elect replacement value cover for older units by paying a higher premium. If your fleet includes machines more than three years old and you haven't confirmed the basis of settlement, the next total loss claim is the worst time to find out. Ask your broker to confirm the basis in writing at your next renewal, and revisit the insured values annually, a machine's replacement cost changes as supply chains shift and exchange rates move.

Are machines under a hire-purchase or finance agreement insured differently?

The finance agreement doesn't change what the policy covers, but it does change who receives the claim settlement. When a machine is under hire-purchase, the financier holds an interest in the asset and is typically noted on the policy schedule as an interested party. In the event of a total loss, the insurer pays the outstanding finance balance first, with any surplus going to the insured. If the outstanding balance exceeds the insured value, which happens when a machine depreciates faster than the loan reduces, the insured may owe the financier the difference, and the policy won't fund it. This is the plant equivalent of a gap cover problem in motor insurance. Confirming your machine's insured value stays close to its replacement or market value as the finance reduces is straightforward to do at renewal and much harder to argue after the total loss. Your broker can flag the crossover point each year so you're not caught short when a claim arrives.