At a glance
Key specifications
Overall dimensions
Measurement basis: KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.
Precision visual reference
Dimensions and working range
Published measurements for the stated configuration. Illustration not to scale.
Overall Size
Measurement basis: KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.
Working Range
Reference details
Overall measurement views reviewed 2026-09-06. Illustrative artwork, not a scale drawing.
Documented model generation; confirm serial/PIN and installed configuration · United States / North American reference
Canonical reference: heavyeq.ca/specs/mini-excavators/kubota/kx040-4/ · Printed from HeavyEQ.ca. Confirm the actual machine and current manufacturer documentation before transport or operation.
Year, generation & configuration
Model generation and configuration
- Generation / series
- KX040-4 exact US brochure 2014 printing; successor KX040-5 announced and this legacy brochure retained.
- Applicable region
- United States / North American reference
- Year handling
- Confirm the serial/PIN and production year when matching an individual machine to this reference.
Model identity
Model family, generation & status
- Model family
- Kubota KX040-4
- Generation / record
- KX040-4 exact US brochure 2014 printing; successor KX040-5 announced and this legacy brochure retained.
- Product status
- Legacy brochure; production status not confirmed — status checked September 2026
- Regional scope
- United States / North American reference
No verified lineage relationship published. HeavyEQ reviewed first-party sources and did not force a predecessor or successor from model numbering.
United States / North American reference
Verified specifications
Values retain their cited source, verification status and original publication basis. Imperial is presented first while manufacturer-published dual units and configuration context remain attached to every value.| Specification | Imperial | Metric | Standard / configuration | Source |
|---|---|---|---|---|
| Overall length | 16 ft 8.2 in | 5,085 mm | KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.Archived manufacturer verifiedSafety-sensitive value — verify the exact machine. | Kubota |
| Overall width | 5 ft 6.9 in | 1,700 mm | KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.Archived manufacturer verifiedSafety-sensitive value — verify the exact machine. | Kubota |
| Overall height | 8 ft 1.8 in | 2,485 mm | KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.Archived manufacturer verifiedSafety-sensitive value — verify the exact machine. | Kubota |
| Max. digging depth | 11 ft 2.7 in | 3,420 mm | KX040-4; standard manufacturer arm/bucket working-range diagram; alternate attachments change reach.Archived manufacturer verified | Kubota |
| Max. digging radius at ground level | 17 ft 9 in | 5,410 mm | KX040-4; standard manufacturer arm/bucket working-range diagram; alternate attachments change reach.Archived manufacturer verified | Kubota |
| Max. digging height | 17 ft 6 in | 5,335 mm | KX040-4; standard manufacturer arm/bucket working-range diagram; alternate attachments change reach.Archived manufacturer verified | Kubota |
| Max. dumping height | 12 ft 9.5 in | 3,900 mm | KX040-4; standard manufacturer arm/bucket working-range diagram; alternate attachments change reach.Archived manufacturer verified | Kubota |
| Min. tail turning radius | 4 ft 3.2 in | 1,300 mm | KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.Archived manufacturer verifiedSafety-sensitive value — verify the exact machine. | Kubota |
| Min. ground clearance | 1 ft 1 in | 330 mm | KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.Archived manufacturer verifiedSafety-sensitive value — verify the exact machine. | Kubota |
| Output (SAE J1349 net) | 38.9 hp | 29.0 kW | 2200 rpm; published SAE standard.Archived manufacturer verified | Kubota |
| Output (SAE J1995 gross) | 40.4 hp | 30.1 kW | 2200 rpm; published SAE standard.Archived manufacturer verified | Kubota |
| Operating weight | 9,500 lb | 4,310 kg | KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram. Operating weight includes 175 lb operator; angle/6-in-1 blade configurations are separate.Archived manufacturer verifiedSafety-sensitive value — verify the exact machine. | Kubota |
What the specifications mean
The published KX040-4 values remain attached to their stated configuration and rating basis.
KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram.
An individual machine must be verified by serial/PIN, installed equipment and actual measurements.
Configuration intelligence
Configurations & specification differences
These observations are scoped to the cited generation and region. They are not a list of valid option combinations.
| Record | Verified observation | Scope |
|---|---|---|
| Cab / canopy & counterweight | KX040-4; cab, standard straight blade and rubber tracks, front folded in manufacturer transport diagram. | KX040-4 exact US brochure 2014 printing; successor KX040-5 announced and this legacy brochure retained.United States / North American reference |
| Arm, blade & tracks | KX040-4; standard manufacturer arm/bucket working-range diagram; alternate attachments change reach. | KX040-4 exact US brochure 2014 printing; successor KX040-5 announced and this legacy brochure retained.United States / North American reference |
| Coupler & auxiliary hydraulics | Operating weight includes 175 lb operator; angle/6-in-1 blade configurations are separate. | KX040-4 exact US brochure 2014 printing; successor KX040-5 announced and this legacy brochure retained.United States / North American reference |
A brochure configuration is not an individual marketplace machine. Serial/PIN and build information are required for exact verification.
Used KX040-4 inspection priorities
- Inspect tracks, sprockets, rollers, idlers, final drives and travel response.
- Measure boom, arm, bucket, swing-post and blade pin wear.
- Operate the coupler and auxiliary circuits with the intended tool when practical.
- Match the KX040-4 model plate, fitted equipment and serial/PIN to the cited generation and configuration.
Configuration-aware inspection: these checks are triggered by machine category, installed configuration and technology package. Brochure-listed technology must be physically present, active, licensed and calibrated on the used machine.
Hours, condition and ownership cost
Hours are context, not a condition grade. Duty cycle, idle time, maintenance evidence, wear-system measurements, structural repairs and installed technology should be evaluated together.
Cost drivers to model
- Track wear, compact service access and attachment duty drive hourly cost.
- Blade, coupler and auxiliary packages materially affect fit and value.
- Trailer, tow vehicle and attachment mobilization belong in the cost model.
Compatibility graph
Attachment considerations
Relationships below identify relevant classes only unless a stronger evidence state is shown. They never assert exact used-attachment fitment.
Compact excavator buckets and couplers
Verify pin or coupler geometry, tool weight, machine configuration.
Open attachment researchBreakers, augers and compactors
Verify flow, pressure, return, case drain, controls.
Open attachment researchBefore confirming fitment
- generation and machine configuration
- mounting interface, coupler or pin geometry
- hydraulic flow, pressure, return and case drain
- attachment weight and machine capacity limits
- electrical controls or required machine options
Model-reference transport profile
Transport reference
Reference measurements retain their configuration and verification status. Confirm the actual transport setup before booking.
Reference specifications can differ from the actual configured machine. Confirm dimensions and weight before booking transportation.
Confirm or replace before a transport request
- actual weight
- actual travel length, width and height
- attachments and removable work tools
- bucket, blade, carriage or boom position
- loading condition
Source provenance
First-party sources and verification notes
Only manufacturer-authored records are linked publicly. Provisional measurements remain marked until a matching first-party record is confirmed.KX040-4 manufacturer specifications
North America · exact model technical page · accessed September 6, 2026 · status: Manufacturer verified
KX040-4 exact US brochure 2014 printing; successor KX040-5 announced and this legacy brochure retained.
United States · archived manufacturer literature · accessed September 6, 2026 · status: Archived manufacturer verified