The Cat 304E 2 CR is a mini excavator listed for 2017-2021. Key specifications include a listed machine weight of about 8,929 lb, approximately 40.2 hp and a listed digging depth of about 10.27 ft.
Key specifications
2017-2021Model years
8,929 lbMachine weight
40.2 hpEngine power
6.4 ftTransport width
10.27 ftDigging depth
17.13 ftDigging reach
Cat 304E 2 CR size and digging visual
This diagram is generated from the listed transport dimensions for this specific mini excavator.
Top-view transport footprint
Length 15.81 ft • Width 6.4 ft
Side-view transport envelope
Length 15.81 ft • Height 8.2 ft
Listed digging envelopedigging depth 10.27 ft • digging reach 17.13 ft
These are the published specification values for this model and are not a jobsite clearance or excavation safety calculation.
How the Cat 304E 2 CR compares
These figures compare this machine with other Caterpillar mini excavators in this specifications database. They are descriptive database comparisons, not performance ratings.
Machine weight8,929 lb
Low 2,620 lbAverage 7,373 lbHigh 11,905 lb
About 21% heavier than the Cat mini excavators database average. Around the 72nd percentile within this Cat mini excavators dataset.
Engine power40.2 hp
Low 17.4 hpAverage 29.7 hpHigh 47.9 hp
About 36% higher than the Cat mini excavators database average. Around the 75th percentile within this Cat mini excavators dataset.
Transport width6.4 ft
Low 2.65 ftAverage 4.91 ftHigh 6.5 ft
About 30% wider than the Cat mini excavators database average. Around the 81st percentile within this Cat mini excavators dataset.
Max. digging depth10.27 ft
Low 5.73 ftAverage 9.63 ftHigh 12.45 ft
About 7% higher than the Cat mini excavators database average. Around the 57th percentile within this Cat mini excavators dataset.
This model Cat mini excavators average
Useful conversions and calculated specifications
Machine weight
8,929 lb (4,050 kg)
Engine power
40.2 hp (30 kW)
Transport length
15.81 ft (4.82 m)
Transport width
6.4 ft (1.95 m)
Transport height
8.2 ft (2.5 m)
Max. digging depth
10.27 ft (3.13 m)
Max. digging reach
17.13 ft (5.22 m)
Engine displacement
146.5 cu in (2.4 L)
Power-to-weight
4.5 hp/1,000 lb (9.9 hp/tonne)
Specification differences by production range
The 2017-2020 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.
2020-2021compared with 2017-2020
Engine power2017-202040.2 hp (30 kW)→2020-202141.6 hp (31 kW)
The available source specifications list the Cat 304E 2 CR for 2017-2021.
How much does a Cat 304E 2 CR weigh?
The listed machine weight is about 8,929 lb (4,050 kg).
How much horsepower does the Cat 304E 2 CR have?
The engine is listed at approximately 40.2 hp (30 kW).
How deep can the Cat 304E 2 CR dig?
The listed maximum digging depth is about 10.27 ft (3.13 m).
What is the digging reach of the Cat 304E 2 CR?
The listed digging reach is about 17.13 ft (5.22 m).
How wide is the Cat 304E 2 CR?
The listed transport width is about 6.4 ft (1.95 m). Bucket width can differ by attachment.
Model information
Listed years
2017-2020
Machine type
Mini Excavator
Capacity and performance
Weight
8,929 lb (4,050 kg)
Tear-out force
37.8 kN
Digging dimensions
Dredging depth
10.27 ft (3.13 m)
Max. reach horizontal
17.13 ft (5.22 m)
Dimensions and undercarriage
Transport length
15.81 ft (4.82 m)
Transport width
6.4 ft (1.95 m)
Transport height
8.2 ft (2.5 m)
Track width
13.8 in (350 mm)
Engine specifications
Engine type
C2.4
Engine power
40.2 hp (30 kW)
Displacement
146.5 cu in (2.4 L)
RPM at max torque
2200 rpm
Cylinder bore × stroke
3.43 × 4.03 in (87 × 102 mm)
Emission level
Tier 4 Final/EU Stage IIIA
Equipment
Model series
CR
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 Cat 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 official Caterpillar documentation. Visit the official Cat mini excavator website.
