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