Caterpillar Takes Autonomous Hauling to Richards Spur

Caterpillar has deployed its Command for hauling autonomous haulage system at the Richards Spur operation, extending a quarrying push that began with a 777 truck fleet at Carmeuse's Drummond Island quarry in Michigan in May 2026, supported by dealer Fabick Cat.

Caterpillar Inc. (CAT) has added another quarrying site to the list of operations running its trucks without drivers, deploying its Command for hauling autonomous haulage system at Richards Spur. The move continues a run of announcements through 2026 that has taken a technology built for giant copper and iron ore pits and pointed it at a very different customer: the aggregates producer with a handful of trucks and a short haul road.

The sequence is easy to trace. In May 2026, Caterpillar said its autonomous haulage system was going to work at Carmeuse's Drummond Island quarry in Michigan, running on a fleet of 777 trucks with support from dealer Fabick Cat. A further announcement followed in September 2026, and now Richards Spur joins the roster. As International Mining reports, the pace of these deployments in quarrying and small mining has been accelerating rather than arriving as one-off pilots.

Why a quarry is a harder sell than a copper pit

Autonomous haulage has been commercially normal in large-scale mining for years, but almost entirely at the top end: iron ore in the Pilbara, copper in Chile, oil sands in Alberta. The economics there are straightforward. A mine running dozens of ultra-class trucks around the clock can spread the cost of fleet management software, high-precision positioning, communications infrastructure and the control room over an enormous annual tonnage. Remove the operator from each cab and the labour saving alone compounds across three or four shifts a day, every day of the year.

A limestone quarry works differently. Fleets are smaller, haul distances are shorter, the pit geometry changes more often, and many sites do not run continuously. The fixed cost of autonomy — network coverage, site mapping, traffic rules, the integration work with the dealer — lands on a far thinner tonnage base. That is the reason driverless trucks took so long to appear in aggregates, and it is why the 777 class matters. It is a conventional rigid-frame haul truck of the size quarries actually buy, not a machine that only makes sense at a mega-mine.

Getting autonomy to pay on that size of truck is a different engineering and commercial problem from making it work on the largest classes. It implies a lighter deployment model, more standardised site setup, and a much bigger role for the dealer network — which is exactly where Fabick Cat enters the Drummond Island story.

The dealer channel is the real distribution advantage

Large mining customers deal with Caterpillar in part directly, with long negotiations over fleet specification, performance guarantees and service agreements. Quarry operators generally do not. They buy through the dealer, finance through the dealer, and get their machines serviced by the dealer's field technicians.

That channel is what makes a wide quarrying rollout plausible. If autonomy can be specified, installed and supported largely by a Cat dealer rather than by a bespoke project team flown in for each site, the addressable market stops being the few hundred of the world's biggest mines and starts being the far larger population of quarries and small mines served by those dealers. It also changes the follow-on revenue mix: technology subscriptions, remote support and parts attach rates rather than one-time hardware sales.

There is a workforce argument running alongside the cost one. Aggregates producers in North America have found haul truck operators persistently hard to recruit and retain, especially at remote or seasonal sites. Autonomy reframes the problem from hiring drivers to hiring a smaller number of technicians and controllers — a trade some operators will take even if the pure cost arithmetic is close.

Where the shares sat as the news landed

Caterpillar's stock did not move on quarry autonomy news, and would not be expected to. CAT last traded at 810.79, down 1.92% from a previous close of 826.64, as of the close on Wednesday, 30 September 2026. The day's range ran from 810.07 to 831.95, meaning the shares finished at the low end of the session — a slide of about 15.85 points from the prior close on the day's own arithmetic.

That was a weaker showing than the broad market. The Dow 30 proxy (DIA) closed at $508.55, down 0.84%; the S&P 500 proxy (SPY) finished at $762.63, off 0.21%; and the Nasdaq 100 proxy (QQQ) closed at $739.77, up 0.25%. Caterpillar's decline was more than twice the Dow's percentage fall on the day — an illustrative comparison of the two figures rather than anything attributable to the Richards Spur announcement.

The point is scale. Autonomy in quarrying is not a quarter-moving line item for a company of Caterpillar's size. It is an option on a market segment, and options of that kind show up in the numbers years after the first deployments, through attachment rates and repeat orders, not through a single site.

What to watch from here

Three things will tell investors whether the quarrying push is a product line or a showcase.

• Repeat orders from the same operators. Carmeuse running autonomy at one quarry is a trial. Carmeuse, or a peer, extending it to a second and third site is a product decision.
• How many dealers participate. Fabick Cat supported Drummond Island. If deployments start appearing across multiple independent dealer territories, the delivery model has been standardised enough to scale.
• The smallest truck class that gets the technology. The 777 is already well below ultra-class. Pushing autonomy further down the size range would widen the eligible fleet considerably and would signal that the fixed cost of a deployment has come down.

Competitive response is the other variable. Caterpillar is not the only equipment maker with autonomous haulage in the field, and rivals have their own dealer networks and their own mid-size truck ranges. A land grab in aggregates autonomy would look a lot like the early years of large-mine autonomy: a few reference sites, then a rush as operators conclude they cannot afford to be the last ones hiring drivers.

For now, Richards Spur is one more data point in a pattern that has been building since May 2026 — driverless trucks moving out of the mega-pit and into the kind of operation that supplies road stone, cement feed and industrial lime. That is a much larger universe of customers than the mining industry usually talks about, and it is the one Caterpillar appears to be aiming at.

Key facts

• CAT last close: 810.79, -1.92% (as of 20:00 GMT, 30 Sep 2026)
• First quarrying deployment: Carmeuse Drummond Island quarry, Michigan, May 2026
• Truck fleet involved: Caterpillar 777 class
• Dealer support: Fabick Cat at Drummond Island

Frequently asked questions

What is Caterpillar's Command for hauling?

Command for hauling is Caterpillar's autonomous haulage system, the software and onboard technology that lets haul trucks operate without a driver in the cab. It handles routing, loading and dumping cycles and traffic interaction on a mine or quarry site, with human staff supervising from a control room rather than driving each machine.

Where has Caterpillar deployed quarrying autonomy so far?

Caterpillar announced in May 2026 that its autonomous haulage system was being deployed at Carmeuse's Drummond Island quarry in Michigan on a fleet of 777 trucks, supported by dealer Fabick Cat. A further announcement followed in September 2026, and the technology has now been deployed at Richards Spur.

Why is autonomy in quarrying different from large mining?

Large mines run dozens of trucks continuously and can spread the fixed cost of autonomy — mapping, communications, control rooms, integration — across huge annual tonnage. Quarries have smaller fleets, shorter hauls and often do not run around the clock, so the same fixed costs land on a far thinner production base.

How did Caterpillar shares perform around the announcement?

CAT last traded at 810.79, down 1.92% from a previous close of 826.64, as of the market close on 30 September 2026, with a day range of 810.07 to 831.95. That was weaker than the Dow 30 proxy DIA, which closed at $508.55, down 0.84%. The move is not attributable to the Richards Spur news.

Why does the Caterpillar dealer network matter to this story?

Quarry operators typically buy, finance and service equipment through a local Cat dealer rather than dealing with the manufacturer directly. If autonomy can be specified, installed and supported through that dealer channel, the technology becomes sellable to a far larger population of smaller sites than a bespoke project team could reach.

What is the Caterpillar 777 and why is its size significant?

The 777 is a conventional rigid-frame haul truck well below the ultra-class machines used at the world's largest open pits. It is the kind of truck quarries and small mines actually purchase, so making autonomy economic on that class is what opens the aggregates market rather than keeping driverless hauling confined to mega-mines.

Sources

• Caterpillar grows quarrying AHS further with Richards Spur deployment — International Mining

Photo: Nyamdorj · Pixabay Content License — source