Kubota Kx121 3

Excavators / Mini excavators

Kubota KX121-3 Mini Excavator - The Perfect Choice for Small Jobs

The Kubota KX121-3 Mini Excavator is the perfect choice for small jobs requiring a robust, reliable, easy-to-use machine. This mini excavator is an excellent addition to any job site and will make any task more manageable. The KX121-3 is an excellent value for its price and will make any job easier and more efficient.


Model Price$45,999
Daily rental price$275
Half day rental price$198
Weekly rental price$825
Operating weight (pounds)9063
Maintenance cost per hour$5
Monthly maintenance cost$414
Fuel cost per month$0
Hourly fuel consumption (gallons)0
Monthly financing payments (new)$0
Monthly financing payments (used)$0

General Overview

The Kubota KX121-3 Mini Excavator is a robust, reliable machine perfect for small jobs. It has a maximum digging depth of 7'6" and a maximum reach of 13'2". It has a powerful Kubota engine produces 18.5 horsepower and a hydrostatic transmission that allows for smooth and precise operation. The KX121-3 also comes with various attachments, such as a backhoe, trencher, and dozer blade, making it a versatile and powerful machine.

Most Common Uses

The Kubota KX121-3 Mini Excavator is most commonly used for small jobs, such as digging trenches, grading, and landscaping. It is also great for digging foundations and footings and can be used to move and transport materials around a job site. The KX121-3 is also great for landscaping and gardening and can be used to dig out flower beds and create pathways.


The Kubota KX121-3 Mini Excavator is priced at $45,999. This is an excellent price for such a robust and reliable machine. The KX121-3 can also be rented for a day for $275, a half-day for $198, or a week for $825.

Operating Weight

The Kubota KX121-3 Mini Excavator has an operating weight of 9,063 pounds. This is lightweight for an excavator of this size, making it easy to move around a job site.

Maintenance Costs

The estimated monthly maintenance costs for the Kubota KX121-3 Mini Excavator are approximately $100. This includes oil changes, filter changes, and other routine maintenance.


Displacement: 134.1 cu in (0 m)

Engine Model: V2203-M

Net Power: 42 hp (31 kW)

Power Measured @: 2250 rpm

Operating Specifications

Fuel Capacity: 16.9 gal (61 l)

Hydraulic Pump Flow Capacity: 25 gal/min (95 l/min)

Hydraulic System Fluid Capacity: 17.7 gal (64 l)

Operating Weight: 9063 lbs (4,111 kg)

Bucket system in Kubota Kx121 3

Types of Buckets: The Kubota KX121-3 offers a range of bucket options to cater to various excavation needs. These buckets come in different sizes and configurations, allowing operators to choose the most suitable one for their job. Common bucket types for the KX121-3 include digging buckets, trenching buckets, grading buckets, and more. Each bucket type is designed to excel in particular tasks, providing the versatility required for various projects.

2. Durability and Material: Kubota prioritizes durability and longevity in its construction equipment, and the bucket system is no exception. The buckets are typically constructed from high-quality steel, ensuring they can withstand the rigors of heavy-duty excavation work. The robust design and construction extend the bucket's lifespan and contribute to the machine's overall durability.

3. Quick Coupler System: The Kubota KX121-3 features a quick coupler system, simplifying the changing buckets. This innovative system allows for efficient and rapid bucket swaps without manual tools. This feature enhances productivity by reducing downtime associated with bucket changes, making the KX121-3 an efficient and time-saving machine.

4. Precision and Control: The Kubota KX121-3's bucket system offers precise control, allowing operators to perform intricate and accurate digging and grading tasks. This level of control is crucial for maintaining a high level of accuracy in various construction and excavation projects.

5. Versatility: Whether digging trenches, grading surfaces, or loading materials, the Kubota KX121-3's bucket system provides the versatility required to tackle various tasks. This excavator can quickly adapt to different job requirements with the proper bucket selection.

6. Maintenance and Serviceability: Kubota strongly emphasizes ease of maintenance, which extends to the bucket system. The design of the buckets and the quick coupler system make maintenance straightforward, reducing downtime and keeping the machine in operation when needed.

Swing Mechanism

Swing Speed: 9.4 rpm


Ground Pressure: 4.5 psi

Max Travel Speed: 3.1 mph (5 kph)

Fuel Cost

The estimated monthly fuel cost for the Kubota KX121-3 Mini Excavator is approximately $50. This is based on an estimated usage of 8 hours per day. The estimated hourly fuel cost is roughly $6.25.

Similar Models

The Kubota KX121-3 Mini Excavator is a great machine, but other models are similar. Some similar models include the Kubota KX71-3, the Kubota KX121-4, THE Kubota KX080-4, the Kubota KX080-4, and the Kubota U55-4. These models are robust, reliable, and great for small jobs.


The Kubota KX121-3 Mini Excavator is a robust, reliable machine perfect for small jobs with a shipping length and shipping height of Kubota of 16.7 ft (5 m).

Max Digging Depth 11.5 ft in Dimensions B Width To Outside Of Tracks 5.58 ft in E Ground Clearance 1.09 ft in Undercarriage Max Travel Speed 3.1 mphIt is an excellent value for its price and will make any job easier and more efficient. The KX121-3 has a variety of attachments, making it a versatile and powerful machine. The estimated monthly maintenance and fuel costs are relatively low, making it an excellent choice for any job site. If you are looking for a robust and reliable mini excavator, the Kubota KX121-3 is the perfect choice.

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