SPECS SUMMARY

Engine ModelCat® C2.4
Net Power40.2 HP (30 kW)
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/126940.2 HP (30 kW)
Weight - Canopy, Standard Stick8655 lb (3925 kg)
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.


Specifications

Engine ModelCat® C2.4
Net Power40.2 HP (30 kW)
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/126940.2 HP (30 kW)
Weight - Canopy, Standard Stick8655 lb (3925 kg)
Operating Weight8996 lb (4080 kg)
Displacement146 in³ (2.4 l)
Bore3.4 in (87 mm)
Stroke4 in (102.4 mm)
Travel Speed - High3.2 mile/h (5.2 km/h)
Maximum Traction Force - Low Speed6969 lb (31 kN)
Maximum Traction Force - High Speed3799 lb (16.9 kN)
Travel Speed - Low2.1 mile/h (3.3 km/h)
Auxiliary Circuit - Secondary (174 bar/2,524 psi)6.6 gal/min (25 l/min)
Digging Force - Stick - Long4384 lb (19.5 kN)
Pump Flow at 2,200 rpm26.4 gal/min (100 l/min)
Operating Pressure - Equipment3553 psi (245 bar)
Auxiliary Circuit - Primary (186 bar/2,734 psi)18.5 gal/min (70 l/min)
Operating Pressure - Swing3132 psi (216 bar)
Digging Force - Stick - Standard4856 lb (21.6 kN)
Operating Pressure - Travel3553 psi (245 bar)
Machine Swing Speed10 r/min (10 r/min)
Boom Swing - Right50°
Boom Swing - Left - Without Stop*70°
Boom Swing - Left - With Stop*55°
Width76.8 in (1950 mm)
Height12.8 in (325 mm)
Dig Depth18.5 in (470 mm)
Lift Height15.7 in (400 mm)
Cooling System1.5 gal (US) (5.5 l)
Engine Oil2.5 gal (US) (9.5 l)
Hydraulic Tank11.2 gal (US) (42.3 l)
Fuel Tank12.2 gal (US) (46 l)
Hydraulic System17.2 gal (US) (65 l)
Machine Overhang0 in (0 mm)
Digging Force - Bucket8498 lb (37.8 kN)
Boom In Reach87 in (2220 mm)
Boom Height - Shipping Position58 in (1480 mm)
O/A Track Width77 in (1950 mm)
O/A Shipping Length194 in (4930 mm)
Blade Down - Side2007 lb (910 kg)
Vertical Wall101 in (2560 mm)
Weight - Cab, Long Stick8996 lb (4080 kg)
Dig Depth135 in (3430 mm)
Gross Power - ISO 1439641.8 HP (31.2 kW)
Maximum Dump Clearance145 in (3690 mm)
Boom Swing - Left26 in (670 mm)
Swing Bearing - Height22 in (565 mm)
Maximum Blade Height16 in (400 mm)
Blade Up - Front948 lb (430 kg)
Dynamic Operator Sound Pressure Level (ISO 6396:2008)81 dB(A) (81 dB(A))
Blade Up - Side1808 lb (820 kg)
Maximum Blade Depth19 in (470 mm)
O/A Shipping Height98 in (2500 mm)
Tip Over Protective Structure (TOPS)ISO 12117
Weight - Canopy, Long Stick8721 lb (3955 kg)
Maximum Reach211 in (5350 mm)
Blade Down - Front1896 lb (860 kg)
O/A Undercarriage Length87 in (2220 mm)
Tail Swing38 in (975 mm)
Air ConditioningThe 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 equivalent of 1.4 metric tonnes.
O/A Track Width77 in (1950 mm)
Note*European Union Directive “2000/14/EC”
O/A Undercarriage Length87 in (2220 mm)
Note*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Exterior Sound Power Level - ISO 6395:2008*96 dB(A) (96 dB(A))
Tail Swing38 in (975 mm)
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
O/A Shipping Length190 in (4820 mm)
Weight - Cab, Standard Stick8930 lb (4050 kg)
Ground Pressure - Cab4.3 psi (29.5 kPa)
Dig Depth123 in (3130 mm)
Track Roller TypeCenter Flange
Vertical Wall95 in (2420 mm)
Maximum Dig Height196 in (4980 mm)
Top GuardISO 10262 (Level I)
O/A Shipping Height98 in (2500 mm)
Ground Pressure - Canopy4.1 psi (28.1 kPa)
Note*Automatic swing brake, spring applied, hydraulic release.
Boom In Reach83 in (2110 mm)
Blade Down - Front3462 lb (1570 kg)
Blade Down - Side1058 lb (480 kg)
Maximum Dump Clearance141 in (3590 mm)
Maximum Reach - Ground Level215 in (5470 mm)
Emissions*Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Swing Bearing - Height22 in (565 mm)
Maximum Reach - Ground Level206 in (5220 mm)
Blade Up - Front1808 lb (820 kg)
Boom Swing - Right29 in (735 mm)
Track Belt/Shoe Width14 in (350 mm)
Boom Swing - Right29 in (735 mm)
Maximum Dig Height200 in (5070 mm)
Maximum Blade Depth19 in (470 mm)
Boom Height - Shipping Position70 in (1770 mm)
Track Belt/Shoe Width14 in (350 mm)
Blade Up - Side948 lb (430 kg)
Stick Length - Standard52 in (1315 mm)
Stick Length - Long64 in (1615 mm)
Boom Swing - Left26 in (670 mm)
Number of Carrier Rollers1
Maximum Reach220 in (5590 mm)
Roll Over Protective Structure (ROPS)ISO 12117-2
Gradeability - Maximum30°
Number of Track Rollers4
Maximum Blade Height16 in (400 mm)

Benefits and Features

The durable hoods and frame and the compact radius design of the 304E2 let you work comfortably and confidently in confined areas. The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability. Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.

Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine able to meet the requirements of any job site. Over 200 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle or economy mode for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle or economy mode for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle or economy mode for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

Standard Equipment

  • Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/Tier 4 Interim emission standards for all other regions)
  • Quick coupler lines
  • Cab:
    • Air conditioning
    • Heat
    • High back suspension seat
    • Interior light
    • Interlocking front window system
    • Radio
    • Windshield wiper
  • Power angle blade
  • Quick coupler: manual or hydraulic
  • 12 volt electrical system
  • Battery disconnect
  • Product Link™

Optional Equipment

  • Light, cab with time delay capability