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The Cat® 304E2 CR Mini Hydraulic Excavator delivers efficient performance, durability and versatility in a compact design to help you work in a variety of applications.

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Engine

Net Power
40.2 HP
Bore
3.4 in
Stroke
4 in
Displacement
146 in³
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
40.2 HP
Gross Power - ISO 14396
41.8 HP
Engine Model
Cat® C2.4
Emissions
*Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.

Undercarriage

Number of Carrier Rollers
1

Hydraulic System

Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Service Refill Capacities

Engine Oil
2.5 gal (US)
Cooling System
1.5 gal (US)
Hydraulic System
17.2 gal (US)
Hydraulic Tank
11.2 gal (US)
Fuel Tank
12.2 gal (US)

Operating Specifications

Machine Overhang
0 in
Stick Length - Standard
52 in

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equiv