The Kubota KX18-4 is a mini excavator listed for 2011-2026. Key specifications include a listed machine weight of about 3,792 lb, approximately 15.8 hp and a listed digging depth of about 7.81 ft.
Key specifications
2011-2026Model years
3,792 lbMachine weight
15.8 hpEngine power
1.4 ft³Bucket
3.25 ftTransport width
7.81 ftDigging depth
12.86 ftDigging reach
Kubota KX18-4 size and digging visual
This diagram is generated from the listed transport dimensions for this specific mini excavator.
Top-view transport footprint
Length 12.17 ft • Width 3.25 ft
Side-view transport envelope
Length 12.17 ft • Height 7.71 ft
Listed digging envelopedigging depth 7.81 ft • digging reach 12.86 ft
These are the published specification values for this model and are not a jobsite clearance or excavation safety calculation.
How the Kubota KX18-4 compares
These figures compare this machine with other Kubota mini excavators in this specifications database. They are descriptive database comparisons, not performance ratings.
Machine weight3,792 lb
Low 1,866 lbAverage 6,189 lbHigh 12,356 lb
About 39% lighter than the Kubota mini excavators database average. Around the 34th percentile within this Kubota mini excavators dataset.
Engine power15.8 hp
Low 9.9 hpAverage 24.8 hpHigh 48.4 hp
About 36% lower than the Kubota mini excavators database average. Around the 25th percentile within this Kubota mini excavators dataset.
Bucket capacity1.4 ft³
Low 0.8 ft³Average 2.7 ft³High 6.4 ft³
About 48% lower than the Kubota mini excavators database average. Around the 22nd percentile within this Kubota mini excavators dataset.
Transport width3.25 ft
Low 2.58 ftAverage 4.63 ftHigh 6.56 ft
About 30% narrower than the Kubota mini excavators database average. Around the 23rd percentile within this Kubota mini excavators dataset.
Max. digging depth7.81 ft
Low 5.5 ftAverage 9.32 ftHigh 12.73 ft
About 16% lower than the Kubota mini excavators database average. Around the 32nd percentile within this Kubota mini excavators dataset.
This model Kubota mini excavators average
Useful conversions and calculated specifications
Machine weight
3,792 lb (1,720 kg)
Engine power
15.8 hp (11.8 kW)
Bucket capacity
1.4 ft³ (0.04 m³)
Transport length
12.17 ft (3.71 m)
Transport width
3.25 ft (0.99 m)
Transport height
7.71 ft (2.35 m)
Max. digging depth
7.81 ft (2.38 m)
Max. digging reach
12.86 ft (3.92 m)
Engine displacement
54.8 cu in (0.898 L)
Power-to-weight
4.2 hp/1,000 lb (9.2 hp/tonne)
Kubota KX18-4 FAQ
What years is the Kubota KX18-4 listed for?
The available source specifications list the Kubota KX18-4 for 2011-2026.
How much does a Kubota KX18-4 weigh?
The listed machine weight is about 3,792 lb (1,720 kg).
How much horsepower does the Kubota KX18-4 have?
The engine is listed at approximately 15.8 hp (11.8 kW).
How deep can the Kubota KX18-4 dig?
The listed maximum digging depth is about 7.81 ft (2.38 m).
What is the digging reach of the Kubota KX18-4?
The listed digging reach is about 12.86 ft (3.92 m).
How wide is the Kubota KX18-4?
The listed transport width is about 3.25 ft (0.99 m). Bucket width can differ by attachment.
Model information
Listed years
2011-2026
Machine type
Mini Excavator
Capacity and performance
Weight
3,792 lb (1,720 kg)
Bucket capacity
1.4 ft³ (0.04 m³)
Bucket width
18.7 in (0.47 m)
Tear-out force
15.9 kN
Digging dimensions
Dredging depth
7.81 ft (2.38 m)
Max. reach horizontal
12.86 ft (3.92 m)
Dimensions and undercarriage
Transport length
12.17 ft (3.71 m)
Transport width
3.25 ft (0.99 m)
Transport height
7.71 ft (2.35 m)
Track width
9.1 in (230 mm)
Engine specifications
Engine type
D902-BH
Engine power
15.8 hp (11.8 kW)
Displacement
54.8 cu in (0.898 L)
RPM at max torque
2300 rpm
Number of cylinders
3.0
Cylinder bore × stroke
2.83 × 2.9 in (72 × 74 mm)
Equipment
Rubber track
No
Blade
No
Air conditioning
No
Disclaimer: Specifications can vary by market, production date, configuration, tracks, boom/stick, bucket and optional equipment. Historical and scraped data can also contain errors. Comparison figures on this page are calculated only from Kubota mini excavators in this dataset. The size and digging diagram visualizes listed specifications and is not a transport-clearance, excavation-safety or operating-limit certification. For purchase, transport, service or safety decisions, verify critical specifications with the machine’s official Kubota documentation. Visit the official Kubota excavator website.
