Kubota KX033-4 Compact Excavator:

Introduction

The Kubota KX033-4 is a 3.5-tonne conventional-tail-swing compact excavator and one of Kubota’s most popular machines — a versatile, powerful workhorse for digging, grading, and material handling. With nearly 11 feet of dig depth, strong digging force, and the stability that comes from a conventional tail swing, the KX033-4 is built for operators who want capability and value in open and semi-open conditions. For prairie acreage owners and contractors doing drainage, footings, and general excavation, it’s a proven, well-regarded choice from the world’s best-selling compact excavator brand.

On Aglist, the value is in understanding where the KX033-4 fits in the compact excavator market, with real owner and operator feedback beside the spec sheet. The numbers tell you what it digs; the reviews tell you how it performs in frost-hardened spring ground, how the cab feels over a long day, and how it holds up. It competes directly with the conventional-tail-swing Bobcat E32 and other 3.5-tonne machines.

The KX033-4’s defining feature is its conventional tail swing — and its most common comparison is against the zero-tail-swing U35-4. We explain that below, since tail swing is the most important design choice on any compact excavator.

Configurations & Pricing Context

The KX033-4 is part of Kubota’s KX-series in the 3.5-tonne class. It comes in canopy or enclosed cab models — and for Canadian year-round work, the enclosed cab with heat and A/C is the sensible choice. It includes Kubota’s Two-Pattern Selection System (TPSS), two-speed travel with auto-shift, auxiliary hydraulics with proportional control, and a comfortable operator station.

The KX033-4 runs buckets, augers, hydraulic breakers, compactors, and more, supported by auxiliary hydraulics. A new hydraulic quick coupler available for the 3-4 ton class enables fast bucket changes.

Pricing varies by configuration, attachments, and dealer. 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 KX033-4
Machine class	Compact excavator
Operating weight	~7,500 lb (3,400 kg) class
Weight class	3.5 tonne
Tail swing	Conventional
Maximum dig depth	~10 ft 9 in (3.28 m)
Overall length	~15 ft 6 in
Width	~5 ft 1 in
Engine	Kubota Tier 4 diesel
Travel	Two-speed with auto-shift
Controls	TPSS (ISO/SAE), proportional auxiliary

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 KX033-4 is the conventional-tail-swing anchor of its size class.

Tail swing describes how far the rear of the machine — the counterweight and engine housing — extends past the tracks when the upper structure rotates. The KX033-4 has a conventional tail swing: the counterweight extends well past the tracks, delivering strong stability and lifting performance. The trade-off is watching the rear when working near walls and obstacles, since the back overhangs as it rotates.

The KX033-4’s single most common comparison is against the U35-4 — Kubota’s zero-tail-swing machine in the same 3.5-tonne class. This is one of the most-searched decisions in the compact excavator world, and the answer comes down to your job site: if you work in open fields and want maximum stability and value, the conventional KX033-4 is the right call; if you work between buildings, next to foundations, or in landscaped yards, the zero-tail-swing U35-4 is almost always the better answer. A professional rule of thumb also applies to sizing: choose a machine with a dig depth at least 2 feet greater than your target depth, so you’re not constantly working at the machine’s limit — the KX033-4’s ~11 feet suits trenches up to about 8-9 feet comfortably.

Build & Engineering Detail

The KX033-4 runs a Kubota Tier 4 diesel matched to the hydraulic system for strong, efficient digging and lifting. The conventional tail swing provides the stability that makes it a confident digger and lifter at full reach — a key reason it’s so popular for general excavation, grading, and material handling.

Auto-shift two-speed travel automatically adjusts speed to conditions for smooth operation, and proportional auxiliary control makes attachment work precise. The enclosed cab option offers a comfortable, climate-controlled operator station for long prairie days. Kubota’s protected hydraulic routing and reputation for reliability suit demanding, sustained work.

The new hydraulic quick coupler for the 3-4 ton class lets operators change buckets quickly, improving productivity across varied tasks. With its balance of power, stability, and value, the KX033-4 has earned its place as a perennial favourite.

Best Applications

The KX033-4 is a strong fit for:

• Drainage and utility work in open conditions — nearly 11 feet of dig depth handles tile drainage, water lines, and trenching where stability matters.
• Foundation and footing work — capable depth and digging force for footings and excavation.
• Grading and material handling — the conventional tail swing’s stability suits lifting and grading.
• General excavation and value-focused buyers — a versatile, well-priced workhorse.

For working flush against structures, the zero-tail-swing U35-4 fits better; for deeper or heavier work, the KX040-5 and larger machines step up. The KX033-4’s strength is stable, powerful, versatile digging at strong value.

How the KX033-4 Fits the Kubota Lineup

The KX033-4 sits in the popular heart of Kubota’s KX-series, above the KX018-4 and below the KX040-5. As a conventional-tail-swing machine in the capable 3.5-tonne class, it’s one of Kubota’s best-selling models. Its direct counterpart is the zero-tail-swing U35-4 — same size class, different tail-swing philosophy — making the KX033-4-vs-U35-4 choice one of the most common decisions Kubota buyers face.

Kubota KX033-4 Reviews & Ratings

On Aglist, open the Reviews & Ratings section on this page to see how the KX033-4 performs where it matters: dig depth and force in different soils including frost-hardened spring ground, lifting stability, attachment performance, cab comfort, reliability, and serviceability over seasons. If you own a KX033-4, your review helps the next prairie buyer judge this popular conventional-tail-swing machine.

Frequently Asked Questions

What is the operating weight of the Kubota KX033-4? It’s in the 3.5-tonne class (roughly 7,500 lb depending on configuration). It’s transportable behind a suitable truck and trailer while offering capable digging.

Does the Kubota KX033-4 have zero tail swing? No — the KX033-4 has a conventional tail swing, where the counterweight extends well past the tracks for strong stability and lifting. For zero tail swing in the same size class, look at the U35-4. The choice depends on whether open-work stability or tight-quarters access matters more.

How deep can the Kubota KX033-4 dig? Maximum dig depth is about 10 feet 9 inches (3.28 m), capable for drainage, footings, and utility trenching. By the professional rule of choosing a machine with about 2 feet more depth than your target, it suits trenches up to roughly 8-9 feet comfortably.

What’s the difference between the KX033-4 and the U35-4? This is the most common Kubota comparison. Both are 3.5-tonne machines, but the KX033-4 has conventional tail swing (maximum stability and value, best for open work), while the U35-4 has zero tail swing (best for working flush against structures). Choose based on your job-site access.

Why is the Kubota KX033-4 so popular? It combines nearly 11 feet of dig depth, strong digging force, conventional-tail-swing stability, and good value in a versatile, transportable package — making it a perennial favourite for general excavation, drainage, and grading.

Is the Kubota KX033-4 good for cold-weather work? With the enclosed cab option, yes — it’s well suited to year-round prairie work, including digging in frost-hardened spring ground. For winter, the enclosed cab with heat and A/C is worth specifying.

What attachments does the Kubota KX033-4 use? It runs buckets, augers, hydraulic breakers, compactors, and more, with proportional auxiliary control. A new hydraulic quick coupler for the 3-4 ton class enables fast bucket changes.

How does the KX033-4 compare to the Bobcat E32? Both are roughly 3.5-tonne conventional-tail-swing machines and direct competitors. The decision often comes down to dealer support, cab preference, attachment options, and price. See the Bobcat E32 page for comparison.

Related Models

• Compact & Mini Excavators — browse and compare excavators across all brands on Aglist.
• Kubota U35-4 — the zero-tail-swing counterpart in the same size class; the most common Kubota comparison.
• Bobcat E32 — a comparable 3.2-tonne conventional-tail-swing machine from Bobcat, for cross-shopping.