The Bobcat 331 G is a mini excavator listed for 2004-2009. Key specifications include a listed machine weight of about 7,209 lb, approximately 40.1 hp and a listed digging depth of about 10.17 ft.
Key specifications
2004-2009Model years
7,209 lbMachine weight
40.1 hpEngine power
3.5 ft³Bucket
5.05 ftTransport width
10.17 ftDigging depth
Bobcat 331 G size and digging visual
This diagram is generated from the listed transport dimensions for this specific mini excavator.
Top-view transport footprint
Length 16.01 ft • Width 5.05 ft
Side-view transport envelope
Length 16.01 ft • Height 7.74 ft
Listed digging envelopedigging depth 10.17 ft
These are the published specification values for this model and are not a jobsite clearance or excavation safety calculation.
How the Bobcat 331 G compares
These figures compare this machine with other Bobcat mini excavators in this specifications database. They are descriptive database comparisons, not performance ratings.
Machine weight7,209 lb
Low 2,476 lbAverage 6,801 lbHigh 12,002 lb
About 6% heavier than the Bobcat mini excavators database average. Around the 56th percentile within this Bobcat mini excavators dataset.
Engine power40.1 hp
Low 9.9 hpAverage 30.2 hpHigh 53 hp
About 33% higher than the Bobcat mini excavators database average. Around the 73rd percentile within this Bobcat mini excavators dataset.
Bucket capacity3.5 ft³
Low 1.7 ft³Average 3 ft³High 5.2 ft³
About 17% higher than the Bobcat mini excavators database average. Around the 77th percentile within this Bobcat mini excavators dataset.
Transport width5.05 ft
Low 2.33 ftAverage 4.74 ftHigh 6.43 ft
About 7% wider than the Bobcat mini excavators database average. Around the 65th percentile within this Bobcat mini excavators dataset.
Max. digging depth10.17 ft
Low 5.97 ftAverage 9.6 ftHigh 13.33 ft
About 6% higher than the Bobcat mini excavators database average. Around the 55th percentile within this Bobcat mini excavators dataset.
This model Bobcat mini excavators average
Useful conversions and calculated specifications
Machine weight
7,209 lb (3,270 kg)
Engine power
40.1 hp (29.9 kW)
Bucket capacity
3.5 ft³ (0.1 m³)
Transport length
16.01 ft (4.88 m)
Transport width
5.05 ft (1.54 m)
Transport height
7.74 ft (2.36 m)
Max. digging depth
10.17 ft (3.1 m)
Engine displacement
134.3 cu in (2.2 L)
Power-to-weight
5.6 hp/1,000 lb (12.3 hp/tonne)
Specification differences by production range
The 2004-2009 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.
2004-2009compared with 2004-2009
Weight2004-20097,209 lb (3,270 kg)→2004-20097,496 lb (3,400 kg)
Bobcat 331 G FAQ
What years is the Bobcat 331 G listed for?
The available source specifications list the Bobcat 331 G for 2004-2009.
How much does a Bobcat 331 G weigh?
The listed machine weight is about 7,209 lb (3,270 kg).
How much horsepower does the Bobcat 331 G have?
The engine is listed at approximately 40.1 hp (29.9 kW).
How deep can the Bobcat 331 G dig?
The listed maximum digging depth is about 10.17 ft (3.1 m).
How wide is the Bobcat 331 G?
The listed transport width is about 5.05 ft (1.54 m). Bucket width can differ by attachment.
What is the bucket capacity of the Bobcat 331 G?
The listed bucket capacity is about 3.5 ft³ (0.1 m³).
Model information
Listed years
2004-2009
Machine type
Mini Excavator
Model rating
10,00 / 10
Capacity and performance
Weight
7,209 lb (3,270 kg)
Bucket capacity
3.5 ft³ (0.1 m³)
Tear-out force
31.3 kN
Digging dimensions
Dredging depth
10.17 ft (3.1 m)
Dimensions and undercarriage
Transport length
16.01 ft (4.88 m)
Transport width
5.05 ft (1.54 m)
Transport height
7.74 ft (2.36 m)
Track width
12.6 in (320 mm)
Engine specifications
Engine type
V2203M-DI-E
Engine power
40.1 hp (29.9 kW)
Displacement
134.3 cu in (2.2 L)
Emission level
II B
Equipment
Model series
G
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 Bobcat 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 Bobcat documentation. Visit the official Bobcat compact excavator website.
