Kubota KX080-5 Compact Excavator

Introduction

The Kubota KX080-5 is the biggest and most powerful compact excavator Kubota builds — the 8.4-tonne flagship that sits at the top of the entire Kubota excavator lineup. With 66.6 horsepower from a Kubota V3307 engine, a 15-foot-1-inch dig depth, and a massive 14,660 lb bucket breakout force, the KX080-5 brings near-full-size digging capability to a machine that still transports between job sites. For prairie contractors and larger operations needing maximum compact-excavator power for deep foundations, heavy trenching, and demanding excavation, it’s the top-of-the-line choice from the world’s best-selling compact excavator brand.

On Aglist, the value is in understanding where the KX080-5 fits in the compact excavator market — and whether you need this much machine — with real owner and operator feedback beside the spec sheet. The numbers tell you what it digs; the reviews tell you how it performs on the biggest jobs, how the deluxe cab and load-sensing hydraulics feel over a long day, and how it holds up. It competes directly with the Bobcat E88 and other 8-tonne compact excavators.

The KX080-5 uses a contoured tight tail design — even though it’s a KX-series machine. We explain what that means below, since tail swing is the most important design feature on any compact excavator.

Configurations & Pricing Context

The KX080-5 is the largest model in Kubota’s excavator lineup, in the 8.4-tonne class, launched to replace the KX080-4 with performance, utility, and comfort upgrades. It comes in canopy or enclosed cab models, with a deluxe cab, double-adjustable air-suspension seat, 7-inch colour LCD, KubotaNOW telematics (standard), keyless start (standard), rear-view camera, LED lights with turn-off delay, and rubber or steel track options. For Canadian year-round work, the enclosed cab is the sensible choice.

The KX080-5 runs a wide range of attachments — buckets, augers, breakers, thumbs, trenching buckets — with dual factory auxiliary circuits (letting a thumb stay connected while running other attachments), load-sensing hydraulics, and mechanical or hydraulic quick-attach coupler options. An optional hydraulic angle blade adds efficiency.

Pricing varies by configuration, attachments, and dealer; as a premium machine, advertised pricing runs high with options. Because Dmytro has direct knowledge of Saskatchewan dealer and used pricing, we defer to local market figures over manufacturer-advertised numbers.

Key Specifications

Specification	Kubota KX080-5
Machine class	Compact excavator (flagship)
Operating weight	~18,520 lb (8,400 kg)
Weight class	8.4 tonne
Tail swing	Contoured tight tail (shorter rear overhang)
Horsepower	66.6 hp
Engine	Kubota V3307-CR-TE5 (common rail, with DPF)
Maximum dig depth	~15 ft 1 in (4.6 m)
Maximum dumping height	~17 ft 3 in (5.25 m)
Bucket breakout force	~14,660 lb (6,650 kgf)
Arm breakout force	~8,554 lb
Main pump flow	~22.3 gpm
Undercarriage width	~7 ft 2.6 in
Overall length	~21 ft 1.9 in
Ground pressure (rubber)	~5.29 psi
Cab noise	~72 dB
Hydraulics	2-pump load-sensing, dual factory AUX

Specifications are verified against Kubota specification data and independent spec databases. Confirm exact figures for the specific machine, year, and option package with your dealer.

Understanding Tail Swing (Read This Before You Compare)

Tail swing is the most important design concept on any compact excavator, and the KX080-5 is interesting: it’s a KX-series machine, but with a tight tail design.

Tail swing describes how far the rear of the machine — the counterweight and engine housing — extends past the tracks when the upper structure rotates. While most KX-series machines use a conventional tail swing, the KX080-5 has a contoured, tight tail design created by a shorter rear overhang. The benefit is meaningful for a machine this size: excellent stability and the ability to handle a wider range of loads, while still being able to work in more restrictive spaces than a full conventional-tail-swing machine of this weight. Combined with a compact 7-foot-2.6-inch undercarriage width, this makes the flagship easier to position in close conditions and easier to transport between job sites.

So while the KX080-5 delivers conventional-class stability and lifting for heavy work, its tight tail design gives it more versatility in confined spaces than you’d expect from an 8-tonne machine. For prairie operators needing maximum compact power that can still work in reasonably tight conditions, this combination is a real advantage — you get big-machine capability without a full conventional rear swing.

Build & Engineering Detail

The KX080-5 runs a 66.6-horsepower Kubota V3307-CR-TE5 common-rail diesel — the most powerful engine in Kubota’s compact excavator lineup. Note that, unlike the smaller Kubota excavators, this flagship uses a diesel particulate filter (DPF) with an automatic regeneration system that burns off soot without stopping work, plus increased service intervals for the regeneration filter and ash cleaner. A 2-pump load-sensing hydraulic system optimizes oil flow to each cylinder for smooth simultaneous operations — you can perform multiple hydraulic functions even while traveling.

Productivity and comfort features abound: auto-shift travel adjusts speed to terrain and traction; programmable Engine Auto Stop shuts the engine off after a set idle period (up to 30 minutes); and Auto Idle drops rpm after 4 seconds of neutral levers. Dual factory auxiliary circuits eliminate the need to detach thumb hoses when switching attachments.

The deluxe cab is genuinely premium: a double-adjustable air-suspension seat, independently adjustable joystick consoles, expanded glass for 360-degree visibility (including monitoring dozer-blade edges when grading and the bucket overhead through the skylight), reduced noise (72 dB), an eight-vent A/C system, a 7-inch LCD with jog dial, keyless start, KubotaNOW telematics, and a rear-view camera. All three access panels open at once for maintenance, and a two-piece hose design simplifies on-site repairs.

Best Applications

The KX080-5 is a strong fit for:

• Deep foundation and excavation work — 15 feet of dig depth for basements, deep footings, and major excavation approaching large-machine scale.
• Heavy trenching and utility work — massive digging force and reach for deep, demanding infrastructure work.
• Heavy lifting and material handling — the 14,660 lb breakout force and stability handle heavy material.
• Larger operations and contractors — Kubota’s biggest, most powerful compact excavator for the most demanding jobs.

It is the most capable — and largest — compact excavator Kubota makes, and more machine than most farm or acreage work requires. For operations needing near-full-size capability in a transportable machine, though, it’s the top of the line. For lighter or deeper-access-restricted work, the KX057-5 and smaller machines fit better.

How the KX080-5 Fits the Kubota Lineup

The KX080-5 sits at the very top of Kubota’s compact excavator range — the 8.4-tonne flagship above the KX057-5. It’s Kubota’s biggest and most powerful excavator, bringing maximum digging depth, reach, and force to a still-transportable machine. Its unusual tight tail design (for a KX machine) gives it more confined-space versatility than a typical 8-tonne conventional machine. Beyond it, Kubota moves into larger construction equipment. Its closest cross-brand comparison is the Bobcat E88, the other 8-tonne flagship compact excavator.

Kubota KX080-5 Reviews & Ratings

On Aglist, open the Reviews & Ratings section on this page to see how the KX080-5 performs where it matters: deep digging power and force on the biggest jobs, lifting capacity and stability, the tight-tail versatility, load-sensing hydraulic performance, the deluxe cab comfort, reliability, and serviceability. If you own a KX080-5, your review helps the next prairie buyer judge Kubota’s flagship compact excavator.

Frequently Asked Questions

Is the Kubota KX080-5 the biggest Kubota compact excavator? Yes. At about 18,520 lb operating weight in the 8.4-tonne class, the KX080-5 is the largest and most powerful compact excavator Kubota builds, with the highest dig depth, reach, and force in the lineup.

How deep can the Kubota KX080-5 dig? Maximum dig depth is about 15 feet 1 inch (4.6 m), with a dumping height around 17 feet 3 inches and a massive 14,660 lb bucket breakout force — near-full-size capability in a compact machine.

Does the Kubota KX080-5 have zero tail swing? No, but it has a contoured tight tail design (shorter rear overhang) — unusual for a KX-series machine. This gives it excellent stability and the ability to work in more restrictive spaces than a typical 8-tonne conventional machine, while its compact 7-foot-2.6-inch width aids transport and close-quarters work.

What engine does the Kubota KX080-5 use? A Kubota V3307-CR-TE5 common-rail diesel rated at 66.6 horsepower — the most powerful in Kubota’s compact excavator lineup. Unlike the smaller Kubota excavators, this flagship uses a DPF with automatic regeneration that burns soot without stopping work.

How much does the Kubota KX080-5 weigh? Operating weight is about 18,520 lb (8,400 kg) — the heaviest Kubota compact excavator. Plan transport accordingly.

Can the Kubota KX080-5 replace a full-size excavator? For many jobs, it comes close. It brings near-full-size dig depth, reach, and force while remaining transportable as a compact machine. For the largest earthmoving, a full-size excavator is still the tool — but the KX080-5 handles a remarkable amount of heavy work.

What technology does the Kubota KX080-5 have? Standard KubotaNOW telematics and keyless start, a 7-inch LCD with jog dial, rear-view camera, double-adjustable air-suspension seat, load-sensing hydraulics, auto-shift travel, Engine Auto Stop, Auto Idle, and dual factory auxiliary circuits.

Is the Kubota KX080-5 good for cold-weather work? With the enclosed deluxe cab (eight-vent A/C, low noise), yes — it’s well suited to year-round prairie work. For winter, the enclosed cab is worth specifying.

How does the KX080-5 compare to the Bobcat E88? Both are roughly 8-tonne flagship compact excavators. The KX080-5 offers 66.6 horsepower and a tight tail design; the Bobcat E88 offers a class-leading lift capacity with conventional tail swing plus an in-track swing frame. The decision often comes down to dealer support, features, and price. See the Bobcat E88 page for comparison.

Related Models

• Compact & Mini Excavators — browse and compare excavators across all brands on Aglist.
• Kubota KX057-5 — the next size down, a conventional-tail-swing 5.5-tonne machine.
• Bobcat E88 — the comparable 8-tonne flagship compact excavator from Bobcat, for cross-shopping.