The Cat 304D is a mini excavator listed for 2010-2026. Key specifications include a listed machine weight of about 8,488 lb and approximately 38.9 hp.
Key specifications
2010-2026Model years
8,488 lbMachine weight
38.9 hpEngine power
4.59 ftTransport width
Cat 304D 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 4.59 ft
Side-view transport envelope
Length 15.81 ft • Height 8.2 ft
How the Cat 304D compares
These figures compare this machine with other Caterpillar mini excavators in this specifications database. They are descriptive database comparisons, not performance ratings.
Machine weight8,488 lb
Low 2,620 lbAverage 7,373 lbHigh 11,905 lb
About 15% heavier than the Cat mini excavators database average. Around the 63rd percentile within this Cat mini excavators dataset.
Engine power38.9 hp
Low 17.4 hpAverage 29.7 hpHigh 47.9 hp
About 31% higher than the Cat mini excavators database average. Around the 73rd percentile within this Cat mini excavators dataset.
Transport width4.59 ft
Low 2.65 ftAverage 4.91 ftHigh 6.5 ft
About 6% narrower than the Cat mini excavators database average. Around the 42nd percentile within this Cat mini excavators dataset.
This model Cat mini excavators average
Useful conversions and calculated specifications
Machine weight
8,488 lb (3,850 kg)
Engine power
38.9 hp (29 kW)
Transport length
15.81 ft (4.82 m)
Transport width
4.59 ft (1.4 m)
Transport height
8.2 ft (2.5 m)
Engine displacement
115.9 cu in (1.9 L)
Power-to-weight
4.6 hp/1,000 lb (10.1 hp/tonne)
Cat 304D FAQ
What years is the Cat 304D listed for?
The available source specifications list the Cat 304D for 2010-2026.
How much does a Cat 304D weigh?
The listed machine weight is about 8,488 lb (3,850 kg).
How much horsepower does the Cat 304D have?
The engine is listed at approximately 38.9 hp (29 kW).
How wide is the Cat 304D?
The listed transport width is about 4.59 ft (1.4 m). Bucket width can differ by attachment.
Model information
Listed years
2010-2026
Machine type
Mini Excavator
Capacity and performance
Weight
8,488 lb (3,850 kg)
Bucket width
76.8 in (1.95 m)
Dimensions and undercarriage
Transport length
15.81 ft (4.82 m)
Transport width
4.59 ft (1.4 m)
Transport height
8.2 ft (2.5 m)
Engine specifications
Engine type
S3Q2-T
Engine power
38.9 hp (29 kW)
Displacement
115.9 cu in (1.9 L)
RPM at max torque
2400 rpm
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 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.
