Kubota KX057-4
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Kubota KX057-4 Compatible Attachments
The Kubota KX057-4 is a 5-ton compact excavator designed to combine digging power, stability, travel performance, and attachment versatility. Kubota's brochure identifies a three-pump load-sensing hydraulic system, auxiliary hydraulic circuits, adjustable maximum oil-flow control, and factory-installed thumb bracket and relief-valve provisions, making the KX057-4 a strong platform for a range of hydraulic and mechanical attachments.
For attachment selection, the most important checks are the KX057-4's operating configuration, hydraulic flow and pressure requirements, auxiliary circuit setup, mounting geometry, pin dimensions, coupler arrangement, attachment weight, and intended application. BHE Attachments can help confirm the correct attachment before you request a quote or install anything on the machine.
Kubota KX057-4 Attachment Matches
Browse the attachment categories below for the KX057-4. The breaker models listed are the specified compatible Montabert models. Other attachment categories require confirmation against the exact machine configuration and mounting interface.
Montabert Hydraulic Breakers for Concrete, Rock & Asphalt
Hydraulic breakers are a natural application for the KX057-4 when the machine is used for concrete demolition, rock breaking, asphalt removal, trench obstruction clearing, or similar hard-material work.
The compatible Montabert models specified for the Kubota KX057-4 are the SC28 and SC36. Final installation should still be checked for the machine's auxiliary hydraulic configuration, operating pressure, flow setting, bracket, hoses, and mounting dimensions.
Digging, Trenching, Grading & Cleanup Buckets
The KX057-4's digging capability makes it suitable for general excavation, utility trenching, drainage work, grading, ditching, backfilling, and cleanup with correctly matched buckets.
For bucket fitment, verify pin diameter and spread, stick width, coupler or quick-hitch type, bucket width and capacity, tooth configuration, and the attachment's duty rating.
Couplers, Thumbs & Grapples
Couplers, thumbs, and grapples can expand the KX057-4's capability for attachment changes, debris handling, brush removal, pipe placement, demolition cleanup, and irregular material handling.
Confirm stick geometry, mounting dimensions, thumb reach, coupler type, hydraulic plumbing, bracket design, and the machine's lift and stability limits before selecting a tool.
Plate Compactors for Trench & Backfill Work
A hydraulic plate compactor can be considered for trench backfill, utility bedding, road repair bases, and site-preparation work where controlled compaction is required.
Confirm auxiliary hydraulic flow and pressure, attachment weight, mounting bracket, hose routing, and the required compaction footprint for the job.
Rippers & Specialty Excavator Tools
Rippers and other ground-engagement tools can help loosen compacted soil, hardpan, frost, or rocky material before excavation with a bucket.
Selection depends on the KX057-4's mounting setup, breakout capability, attachment weight, tooth design, and the material conditions encountered on the jobsite.
Kubota KX057-4 Jobsite Applications
The manufacturer brochure describes the KX057-4 as a versatile compact excavator with attachment-oriented hydraulic features, including auxiliary circuits, adjustable oil-flow control, a three-pump load-sensing system, and thumb bracket and relief-valve provisions.
Concrete & Rock Breaking
Use a correctly matched hydraulic breaker for concrete demolition, rock fracturing, asphalt removal, trench obstruction clearing, and related hard-material applications. The specified Montabert matches are SC28 and SC36.
Excavation & Trenching
Use digging and trenching buckets for utility lines, drainage, foundations, general excavation, and earthmoving where the bucket dimensions match the KX057-4's mounting interface.
Grading & Cleanup
Grading and cleanup buckets can support ditch maintenance, slope shaping, backfill finishing, loose-material cleanup, and surface preparation.
Material Handling
Thumbs and grapples can improve handling of brush, debris, pipe, demolition material, and irregular loads when matched to the machine's geometry and lift limits.
Compaction
A hydraulic plate compactor can be used for trench backfill, utility repair zones, road-base restoration, and site preparation when the hydraulic and mounting requirements are satisfied.
Hard Ground Preparation
A ripper or specialty ground tool can loosen compacted soil, hardpan, frost, or rocky subgrade before the bucket performs the primary excavation.
Attachment Fitment Factors
Pairing an attachment with the KX057-4 means checking both the machine's published specifications and the exact attachment installation requirements.
Machine & Mounting Requirements
- Confirm the KX057-4 operating-weight configuration, including canopy/cab, track, and blade options.
- Measure pin diameter, pin spread, stick width, and the coupler or quick-hitch type.
- Confirm the attachment bracket matches the machine's mounting interface.
- Check attachment weight against the machine's lifting and stability requirements.
- For buckets, verify width, capacity, tooth style, edge configuration, and duty rating.
Hydraulic & Application Requirements
- Confirm auxiliary hydraulic flow and pressure requirements for powered attachments.
- Auxiliary hydraulic flow is rated at 19.8 GPM (75 L/min) for AUX1 and 9.8 GPM (37 L/min) for AUX2.
- Verify auxiliary circuit layout, control arrangement, third-line return requirements, and hose routing where applicable.
- For breakers, confirm tool weight, operating pressure, flow setting, bracket, and duty cycle.
- Match the attachment to the material and work type: concrete, rock, asphalt, soil, brush, debris, or compaction.
Kubota KX057-4 Attachment Overview
Use this table as a quick reference for the main attachment categories and their intended applications on the KX057-4.
| Carrier Model | Attachment Type | Best Use | Fitment Checks | Typical Applications |
|---|---|---|---|---|
| Kubota KX057-4 | Montabert SC28 / SC36 Hydraulic Breakers | Fracturing concrete, rock, asphalt, and other hard materials. | Auxiliary flow, operating pressure, breaker weight, bracket, mounting dimensions, hoses, and duty cycle. | Demolition, road repair, trenching, concrete removal, rock breaking. |
| Kubota KX057-4 | Excavator Buckets | Earthmoving, trenching, grading, ditching, cleanup, and load handling. | Pin dimensions, coupler setup, bucket width, capacity, tooth style, edge type, and duty rating. | Excavation, utility work, grading, drainage, site development. |
| Kubota KX057-4 | Couplers, Thumbs & Grapples | Attachment changes and handling loose, bulky, or irregular loads. | Stick geometry, coupler type, thumb length, hydraulic plumbing, bracket, and lift limits. | Debris handling, brush removal, pipe placement, demolition cleanup. |
| Kubota KX057-4 | Plate Compactors | Densifying trench backfill, soil, and utility repair zones. | Hydraulic flow, pressure range, compactor weight, bracket, and hose routing. | Trench compaction, road repair, backfill, utility installation, site prep. |
| Kubota KX057-4 | Rippers & Specialty Tools | Loosening compacted or hard ground before excavation. | Carrier size, mounting setup, tooth design, material conditions, and breakout needs. | Hardpan, frost, rocky soil, site prep, pre-excavation ripping. |
Final compatibility varies by KX057-4 configuration, track and blade setup, coupler, pin dimensions, hydraulic configuration, and job application. Always confirm fitment before purchasing or installing an attachment.
Find the Right Attachment for Your Kubota KX057-4
BHE Attachments can help compare the specified Montabert SC28 and SC36 breakers as well as buckets, couplers, thumbs, compactors, grapples, rippers, and other attachment categories for the KX057-4.
To narrow the field, provide the machine serial number if available, current coupler or quick-hitch setup, hydraulic flow and pressure information, pin dimensions, and a short description of the work.
Need Help Confirming Compatibility?
BHE Attachments can review the KX057-4's machine configuration, hydraulic requirements, mounting geometry, pin dimensions, coupler configuration, and application requirements to help identify the appropriate attachment.
Ready to quote attachments for your Kubota KX057-4?
Send your machine setup and job description to BHE Attachments so we can match the attachment to the KX057-4's carrier configuration, hydraulic system, mounting requirements, and work conditions.