Kubota U20-3α GL Mini Excavator Specs (Weight | Digging Depth | Size)

The Kubota U20-3α GL is a mini excavator listed for 2003-2026. Key specifications include a listed machine weight of about 4,938 lb, approximately 18.8 hp and a listed digging depth of about 7.61 ft.

Key specifications

2003-2026Model years
4,938 lbMachine weight
18.8 hpEngine power
2.3 ft³Bucket
4.92 ftTransport width
7.61 ftDigging depth
13.58 ftDigging reach

Kubota U20-3α GL size and digging visual

This diagram is generated from the listed transport dimensions for this specific mini excavator.

Top-view transport footprint

Length 12.63 ft • Width 4.92 ft
Side-view transport envelope

Length 12.63 ft • Height 7.74 ft
Listed digging envelopedigging depth 7.61 ft • digging reach 13.58 ft

These are the published specification values for this model and are not a jobsite clearance or excavation safety calculation.

How the Kubota U20-3α GL compares

These figures compare this machine with other Kubota mini excavators in this specifications database. They are descriptive database comparisons, not performance ratings.

Machine weight4,938 lb
Low 1,866 lbAverage 6,189 lbHigh 12,356 lb

About 20% lighter than the Kubota mini excavators database average. Around the 42nd percentile within this Kubota mini excavators dataset.

Engine power18.8 hp
Low 9.9 hpAverage 24.8 hpHigh 48.4 hp

About 24% lower than the Kubota mini excavators database average. Around the 34th percentile within this Kubota mini excavators dataset.

Bucket capacity2.3 ft³
Low 0.8 ft³Average 2.7 ft³High 6.4 ft³

About 14% lower than the Kubota mini excavators database average. Around the 57th percentile within this Kubota mini excavators dataset.

Transport width4.92 ft
Low 2.58 ftAverage 4.63 ftHigh 6.56 ft

About 6% wider than the Kubota mini excavators database average. Around the 58th percentile within this Kubota mini excavators dataset.

Max. digging depth7.61 ft
Low 5.5 ftAverage 9.32 ftHigh 12.73 ft

About 18% lower than the Kubota mini excavators database average. Around the 25th percentile within this Kubota mini excavators dataset.

This model Kubota mini excavators average

Useful conversions and calculated specifications

Machine weight 4,938 lb (2,240 kg)
Engine power 18.8 hp (14 kW)
Bucket capacity 2.3 ft³ (0.07 m³)
Transport length 12.63 ft (3.85 m)
Transport width 4.92 ft (1.5 m)
Transport height 7.74 ft (2.36 m)
Max. digging depth 7.61 ft (2.32 m)
Max. digging reach 13.58 ft (4.14 m)
Power-to-weight 3.8 hp/1,000 lb (8.4 hp/tonne)

Specification differences by production range

The 2003-2009 listing is used as the baseline. Only later listed ranges with a different supplied value are shown below. U.S. customary units are shown first where a conversion is available, and missing data is not treated as a specification change.

2005-2026compared with 2003-2009
Weight2003-20094,938 lb (2,240 kg)2005-20264,960 lb (2,250 kg)
Engine type2003-2009D1105-EB2005-2026D1105-E2BH12
Dredging depth2003-20097.61 ft (2.32 m)2005-20268.33 ft (2.54 m)
Listed years2003-20092003-20092005-20262005-2026
Max. reach horizontal2003-200913.58 ft (4.14 m)2005-202614.34 ft (4.37 m)
Tear-out force2003-200913.2 kN2005-202618.8 kN

Kubota U20-3α GL FAQ

What years is the Kubota U20-3α GL listed for?

The available source specifications list the Kubota U20-3α GL for 2003-2026.

How much does a Kubota U20-3α GL weigh?

The listed machine weight is about 4,938 lb (2,240 kg).

How much horsepower does the Kubota U20-3α GL have?

The engine is listed at approximately 18.8 hp (14 kW).

How deep can the Kubota U20-3α GL dig?

The listed maximum digging depth is about 7.61 ft (2.32 m).

What is the digging reach of the Kubota U20-3α GL?

The listed digging reach is about 13.58 ft (4.14 m).

How wide is the Kubota U20-3α GL?

The listed transport width is about 4.92 ft (1.5 m). Bucket width can differ by attachment.

Model information

Listed years 2003-2009
Machine type Mini Excavator
Model rating 6,00 / 10

Capacity and performance

Weight 4,938 lb (2,240 kg)
Bucket capacity 2.3 ft³ (0.07 m³)
Tear-out force 13.2 kN

Digging dimensions

Dredging depth 7.61 ft (2.32 m)
Max. reach horizontal 13.58 ft (4.14 m)

Dimensions and undercarriage

Transport length 12.63 ft (3.85 m)
Transport width 4.92 ft (1.5 m)
Transport height 7.74 ft (2.36 m)
Track width 9.8 in (250 mm)

Engine specifications

Engine type D1105-EB
Engine power 18.8 hp (14 kW)

Equipment

Model series U
Rubber track Yes
Blade Yes
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.