Komatsu PC88MR-11 vs. Kubota KX080-5: Reduced Tail-Swing Compact Excavator Comparison

The reduced tail-swing compact excavator class exists for one reason: full conventional-swing machines cannot work a single lane of traffic, a tight urban lot, or a congested underground utility corridor without a flagger and a lot of prayer. The Komatsu PC88MR-11 and Kubota KX080-5 both sit right at the top of that reduced-swing bracket, in the 8.5-to-9-ton range, and both are genuinely popular with utility, municipal, and general contractors who need real digging power without the rear counterweight sweeping through traffic.

Meet the Komatsu PC88MR-11

Komatsu's PC88MR-11 weighs between 18,739 and 19,224 lbs depending on shoe width, and runs a Komatsu SAA3D95E-1 engine rated at 68 horsepower. The reduced tail-swing design uses a conventional boom with a steeper raising angle to shrink the front bucket swing radius rather than pulling the counterweight inside the tracks entirely, a Komatsu approach that trades a bit of true zero-swing clearance for a more conventional, familiar dig geometry. Komatsu's own numbers claim up to 13% better fuel efficiency than the prior-generation model, a meaningful figure for any contractor running this machine five days a week.

Komatsu's HydrauMind hydraulic system, a closed-center load-sensing setup with pressure-compensated valves, runs across this excavator's size class; we broke down exactly what HydrauMind actually changes for operators used to older open-center systems, and the short version is smoother multi-function control and less wasted horsepower when running an attachment and traveling at the same time.

Meet the Kubota KX080-5

Kubota markets the KX080-5 as its biggest and most powerful excavator, and the numbers back that claim up: 66.6 net horsepower from a Kubota V3307 diesel, an operating weight around 18,520 lbs, and a maximum digging depth of 15 feet 1 inch, genuinely deep for this size class. Bucket breakout force lands at 14,660 lbf, a real jump over most machines in the 8-to-9-ton bracket. The KX080-5 comes standard with a 2-pump load-sensing hydraulic system, a 7-inch touchscreen monitor, and KubotaNOW telematics, positioning it as Kubota's flagship compact machine rather than just another size in the lineup.

Kubota built the KX080-5 to be the top of its excavator range, and BFC covered what actually sets the KX080-5 apart from the rest of Kubota's KX-Series lineup when it launched, including the reduced tail radius and tight-access features that make it competitive against Komatsu's reduced-swing offering here.

Head-to-Head: The Numbers

Weight is nearly identical between these two machines, around 18,700 to 19,200 lbs for the Komatsu against roughly 18,520 lbs for the Kubota, a gap that will not change your trailer rating either way. Horsepower favors the Komatsu on paper, 68 hp versus 66.6 hp, though the difference is small enough that it rarely shows up in real-world cycle times. The KX080-5's dig depth is a genuine standout at 15 feet 1 inch, deeper than most reduced-swing machines in this class, and its 14,660-lbf bucket breakout force is a real advantage for anyone regularly hitting compacted fill, rock, or old roadbed.

Where the Komatsu earns its keep is tail-swing geometry and dealer support for municipal and utility work: Komatsu's reduced-swing boom design is a known quantity on DOT and utility-district approved-equipment lists across Florida, which can matter more than an extra foot of dig depth when you are bidding public-sector work that specifies approved makes and models.

Who Buys a Reduced-Swing Machine at This Size

This size class is built for underground utility contractors working water, sewer, and gas mains in occupied rights-of-way; municipal and county public works crews doing storm drain and culvert work along active roads; general contractors on urban infill and commercial sites where a single lane of traffic is all the room they get; and demolition subs clearing structures close to neighboring property lines where a conventional-swing machine's counterweight would be a liability. It is also a common second or third machine for excavation companies scaling from residential work into denser commercial and municipal contracts.

Rent vs. Own at 8 to 9 Tons

Reduced tail-swing excavators in this class typically rent for $400 to $550 a day depending on the market, and utility contractors running one steadily can burn through that in rental fees faster than almost any other machine class on this list, simply because tight-access, municipal-adjacent work tends to be year-round rather than seasonal. A financed PC88MR-11 or KX080-5 usually clears its break-even point against rental spend within the first year of steady use for a full-time utility crew, and every payment after that builds real equity instead of renting the same machine back every month for the life of the business.

There is also a bidding advantage to ownership at this size: a contractor who owns their reduced-swing excavator outright can bid tighter margins on municipal and utility contracts than one still paying daily rental rates into the job cost, which compounds over a multi-year public-works relationship.

Financing a Utility-Grade Excavator in Florida

Machines in this bracket are a serious capital commitment for a growing utility or municipal contractor, and the financing should reflect that seriousness. If you are evaluating construction equipment loans for a Komatsu or Kubota this size, our guide to undercarriage condition and loan-to-value is worth reading if you are considering a used machine, since undercarriage wear drives resale value on a reduced-swing excavator more than almost any other component. For new equipment, our piece on Section 179 depreciation timing covers how to plan a purchase like this around your tax year, though you should always confirm the specifics with your own tax professional.

Operator Technology and Cab Environment

Komatsu's PC88MR-11 includes a compact 10.4-inch IMC monitor as part of its cab package, along with standard rearview camera, KOMTRAX telematics at Level 5.0, and a heated air-suspension seat with reclining backrest. The cab is pressurized and includes automatic climate control, a real benefit for an operator running this machine full-time through Florida's heat and humidity. Kubota's KX080-5 counters with a 7-inch full-color LCD touchscreen monitor with jog-dial control, KubotaNOW telematics, keyless engine start with up to 10 programmable user passcodes, and a factory rear-view camera as well, making both cabs genuinely well-equipped for a machine in this weight class rather than stripped-down utility interiors.

Noise level inside the cab is worth asking about directly if you plan to run either machine for full shifts; Kubota specifically publishes a 74 dB(A) interior noise rating for the KX080-5, a figure worth comparing against Komatsu's own published cab specifications if operator fatigue over long days is a real concern for your crew.

Serviceability and Uptime for Utility Fleets

For a utility or municipal contractor running this size class daily, serviceability directly affects billable hours. Komatsu designed the PC88MR-11 with large service access doors and grouped service points at ground level, reducing the time a technician spends climbing on the machine for routine checks. Kubota's KX080-5 similarly emphasizes a single large hood opening for access to key service points, along with ground-level fuel and hydraulic tank fills, both manufacturers clearly engineering around the reality that a machine working tight utility corridors needs fast, simple daily service rather than an elaborate maintenance ritual.

Both machines carry factory telematics as standard, which means a fleet manager overseeing several reduced-swing excavators across different crews can monitor hours, location, and basic fault codes remotely rather than relying entirely on operator reporting, a real efficiency gain for a growing utility contracting operation.

Working This Size Class in Florida's Utility Corridors

Reduced tail-swing excavators in this bracket spend much of their working life in active rights-of-way, alongside traffic, near existing utilities, and often under time pressure from municipal permitting requirements. Both the PC88MR-11 and KX080-5 are well suited to that environment, but contractors should confirm current approved-equipment status with specific Florida county and municipal public works departments before bidding work that requires it, since approved-equipment lists can vary by jurisdiction and change over time.

Warranty Coverage and Long-Term Support

Standard warranty terms on both machines typically run a base period covering major driveline and hydraulic components, with extended warranty options available through both manufacturers for a contractor who wants additional coverage on a machine that will see heavy daily use. Komatsu's warranty programs are well documented and widely understood across its Florida dealer network, while Kubota similarly offers structured extended coverage for buyers who want to protect their investment beyond the standard term, especially relevant given the KX080-5's position as Kubota's flagship compact excavator and the premium price that positioning commands.

For a utility contractor whose bid pricing depends on predictable equipment costs, extended warranty coverage on either machine is often worth the added expense purely for the budget certainty it provides, removing an unplanned major-repair bill as a variable in an already tight-margin business.

Both Komatsu and Kubota back their reduced-swing excavators with genuine parts-availability commitments in Florida given how common this size class is on municipal and utility work statewide, and a contractor can generally expect same-day or next-day availability on the most common wear items from either brand's dealer network.

Choosing Between These Two for Your Specific Work

If your crew regularly works inside a single lane of active traffic or directly adjacent to existing utilities, Komatsu's reduced-swing geometry and established presence on municipal approved-equipment lists across Florida make the PC88MR-11 the lower-risk choice for winning and executing public-sector bids. If your work leans more toward private utility installation, commercial site prep, or general contracting where raw digging depth and breakout force matter more than swing-radius compliance with a specific municipal spec, the KX080-5's genuinely deeper reach and stronger breakout force make a real practical case for Kubota.

Neither choice is wrong at this price point; both machines are well-engineered, well-supported in Florida, and genuinely capable of anchoring a utility or municipal contracting operation's core excavator fleet. The deciding factor for most buyers ends up being a combination of existing dealer relationship, specific job-type mix, and which brand your operators already know how to run efficiently from day one.

Ready to Put This Machine to Work?

Whichever brand wins your utility crew's vote, the ownership math favors buying once your machine is working full time. Every rental payment on equipment this expensive disappears for good; every financed payment builds equity you can leverage into your next contract, without making you wait for this one to be paid off.

Visit our home page to see how we work with contractors across Florida and the Southeast, browse our equipment for sale and financing marketplace if you would rather buy outright or list a machine of your own, apply for equipment financing to get real numbers on your next machine, or subscribe to our blog for more head-to-head comparisons and new-model coverage every week.