Machine models
Kubota KX030-4 specifications
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Short answer
The Kubota KX030-4 is a 23.3-horsepower excavator, and Kubota lists one version of it. Listed weight is 6,272 / 6,426.
| Specification | KX030-4 |
|---|---|
| Engine Model | V1505-BH |
| Horsepower (gross) | 23.3 |
| Displacement (cu in) | 91.4 |
| Overall Length, ft (mm) | 15 ft 1.1 in (4600) |
| Overall Height, ft (mm) | 7 ft 11 in (2420) |
| Overall Width, ft (mm) | 4 ft 11 in (1500) |
| Minimum Ground Clearance, in (mm) | 11.6 in (295) |
| Crawler Length, ft (mm) | 6 ft 5.9 in (1980) |
| Pump Capacity, GPM (LPM) | 8.3 (31.5) Piston x 2 / 4.7 (18) Gear x 1 |
| Auxiliary Hydraulics Flow Rate, GPM (LPM) | 13 (49.5) |
| Bucket Breakout Force, lbs (kgf) | 6924 (3140.7) |
| Arm Breakout Force, lbs (kgf) | 3484 (1580.6) |
| Traveling Speed: High, mph (kph) | 2.7 (4.3) |
| Traveling Speed: Low, mph (kph) | 1.7 (2.7) |
| Ground Contact Pressure psi, kgf (cm2) | 3.9 (0.27) / 4.0 (0.28) |
| Blade Width, ft (mm) | 4 ft 11 in (1500) |
| Blade Height, in (mm) | 11.8 in (300) |
| Hydraulic Oil Reservoir / System, gal (l) | 9.0 (33.9) / 13.7 (52.0) |
| Fuel Reservoir, gal (l) | 12.7 (48) |
| Operating Weight, lbs (kg) | 6272 / 6426 (2845 / 2915) |
| Figure | KX030-4 |
|---|---|
| Engine horsepower per 1,000 lb of weight | 3.7 |
| Pump flow per engine horsepower | 0.36 gpm |
| Fuel tank per engine horsepower | 0.55 gal |
Kubota KX030-4: excavator
Kubota's listing for the KX030-4 matches an excavator; see the mini excavators page.
| Brand | Equipment group | Compared entry | Sort order |
|---|---|---|---|
| Kubota | excavator | KX030-4 | Descending quantity; 1 is largest |
| Figure | KX030-4 | Rank | Lowest in line | Highest in line |
|---|---|---|---|---|
| Engine power | 23.3 hp | 10 (tied) of 22 | 7.5 hp | 47.6 hp |
| Listed weight | 6,272 lb | 8 of 17 | 2,200 lb | 11,532 lb |
| Pump flow | 8.3 gpm | 5 of 8 | 2.8 gpm | 24.4 gpm |
| Standard hydraulic flow | 13.0 gpm | 4 of 8 | 5.5 gpm | 19.8 gpm |
| Fuel capacity | 12.7 gal | 7 of 21 | 3.2 gal | 19.3 gal |
| Horsepower per 1,000 lb | 3.7 hp | 13 of 17 | 3.0 hp | 4.6 hp |
| Base version | U27-4 | KX030-4 | KX91-3GLS2 |
|---|---|---|---|
| Engine power | 20.8 hp | 23.3 hp | 28.3 hp |
| Weight | 5,625 lb | 6,272 / 6,426 (2,845 / 2,915) lb | 7,518 lb |
| Pump flow | U27-4: 20.3 gpm; KX030-4: 8.3 gpm (31.5) Piston x 2 gpm / 4.7 gpm (18) Gear x 1 gpm | ||
| Standard hydraulic flow | U27-4: 12.7 gpm; KX030-4: 13 gpm | ||
| Fuel capacity | 8.7 gal | 12.7 gal | 5.1 gal |
| Ground pressure | KX91-3GLS2: 4.6 psi | ||
| Maximum digging depth | KX91-3GLS2: 10.45 ft | ||
History and service record of KX030-4
- Launch. Kubota Tractor Corporation announced the KX030-4 on 18 January 2023 at World of Concrete, with dealer availability from March 2023. It replaces the KX71-3S in the 2 to 3 ton segment, with over 500 lb more bucket breakout force and nearly 300 lb more lifting force. Kubota Introduces KX030-4, Kubota USA.
- Design. The KX030-4 replaced the KX71-3S with about 500 lb more breakout force and 300 lb more lifting force, 24.7 gross hp, 6,426 lb operating weight, 9 ft 7 in digging depth and an auto-downshift travel feature; LECTURA lists the KX030-4 GL from 2017. Kubota KX030-4 excavator, Construction Equipment; Kubota KX030-4 GL (2017-2026), LECTURA Specs.
- Reviews. OPE Reviews and Messick's both cover the KX030-4, praising its breakout force and ability to work in confined spaces. Kubota KX030-4 compact excavator, OPE Reviews; New Kubota KX030-4, Messick's.
| Observation date | Listing source | Equipment search | Listings |
|---|---|---|---|
| 2026-09-24 | MachineryTrader | Kubota excavator | 20 |
| Model | Listed | Model years | Lowest asking | Highest asking | Median asking | Median hours |
|---|---|---|---|---|---|---|
| KX030-4 | 20 | 2018 to 2026 | $22,508 | $52,544 | $40,400 | 680 |
| Search date | Database | Names queried | Search result |
|---|---|---|---|
| 2026-09-24 | U.S. Consumer Product Safety Commission | Kubota together with the excavator KX030-4 | No matching recall in this search |
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More in Kubota: M7-131–M6142, B2601–LX2610, M8/SMZ: hydraulic options/Japanese recalls.