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304E2 CR Mini Hydraulic Excavator

Product Description

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
Us
Metric
Engine
Engine Model
Cat® C2.4
Net Power
40.2 hp
30 kW
Rated Net Power @ 2,200 rpm – ISO 9249/EEC 80/1269
40.2 hp
30 kW
Weights*
Operating Weight
8996 lb
4080 kg
Weight – Canopy, Standard Stick
8655 lb
3925 kg
Engine
Bore
3.4 in
87 mm
Stroke
4 in
102.4 mm
Displacement
146 in3
2.4 L
Travel System
Travel Speed – High
3.2 mph
5.2 km/h
Travel Speed – Low
2.1 mph
3.3 km/h
Maximum Traction Force – High Speed
3799 lb
16.9 kN
Maximum Traction Force – Low Speed
6969 lb
31.0 kN
Hydraulic System
Pump Flow at 2,200 rpm
26.4 gal/min
100 L/min
Operating Pressure – Equipment
3553 psi
245 bar
Operating Pressure – Travel
3553 psi
245 bar
Operating Pressure – Swing
3132 psi
216 bar
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 (standard)
4856 lb
21.6 kN
Digging Force – Stick (long)
4384 lb
19.5 kN
Swing System
Machine Swing Speed
10 rpm
10 rpm
Boom Swing – Left (without stop)*
70°
Boom Swing – Left (with stop)*
55°
Boom Swing – Right
50°
Blade
Width
76.8 in
1950 mm
Height
12.8 in
325 mm
Dig Depth
18.5 in
470 mm
Lift Height
15.7 in
400 mm
Service Refill Capacities
Cooling System
1.5 gal
5.5 L
Engine Oil
2.5 gal
9.5 L
Hydraulic Tank
11.2 gal
42.3 L
Fuel Tank
12.2 gal
46 L
Hydraulic System
17.2 gal
65 L
Engine
Gross Power – ISO 14396
41.8 hp
31.2 kW
Emissions
*Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Weights*
Weight – Canopy, Long Stick
8721 lb
3955 kg
Weight – Cab, Standard Stick
8930 lb
4050 kg
Operating Specifications
Stick Length – Standard
52 in
1315 mm
Travel System
Ground Pressure – Canopy
4.1 psi
28.1 kPa
Hydraulic System
Digging Force – Bucket
8498 lb
37.8 kN
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Weights*
Weight – Cab, Long Stick
8996 lb
4080 kg
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Swing System
Note
*Automatic swing brake, spring applied, hydraulic release.
Travel System
Ground Pressure – Cab
4.3 psi
29.5 kPa
Gradeability (maximum)
30°
Cab
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”
Certification – Cab and Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2
Tip Over Protective Structure (TOPS)
ISO 12117
Top Guard
ISO 10262 (Level I)
Operating Specifications
Stick Length – Long
64 in
1615 mm
Machine Overhang
0 in
0 mm
Undercarriage
Number of Carrier Rollers
1
Number of Track Rollers
4
Track Roller Type
Center Flange
Lift Capacities at Ground Level – Lift Point Radius: 3000 mm (118 in)
Blade Down – Front
3462 lb
1570 kg
Blade Up – Front
1808 lb
820 kg
Blade Down – Side
2007 lb
910 kg
Blade Up – Side
1808 lb
820 kg
Lift Capacities at Ground Level – Lift Point Radius: 4500 mm (177 in)
Blade Down – Front
1896 lb
860 kg
Blade Up – Front
948 lb
430 kg
Blade Down – Side
1058 lb
480 kg
Blade Up – Side
948 lb
430 kg
Dimensions – Standard Stick
Dig Depth
123 in
3130 mm
Vertical Wall
95 in
2420 mm
Maximum Reach at Ground Level
206 in
5220 mm
Maximum Reach
211 in
5350 mm
Maximum Dig Height
196 in
4980 mm
Maximum Dump Clearance
141 in
3590 mm
Boom In Reach
83 in
2110 mm
Tail Swing
38 in
975 mm
Maximum Blade Height
16 in
400 mm
Maximum Blade Depth
19 in
470 mm
Boom Height in Shipping Position
58 in
1480 mm
O/A Shipping Height
98 in
2500 mm
Swing Bearing Height
22 in
565 mm
O/A Undercarriage Length
87 in
2220 mm
O/A Shipping Length
190 in
4820 mm
Boom Swing Right
29 in
735 mm
Boom Swing Left
26 in
670 mm
Track Belt/Shoe Width
14 in
350 mm
O/A Track Width
77 in
1950 mm
Dimensions – Long Stick
Dig Depth
135 in
3430 mm
Vertical Wall
101 in
2560 mm
Maximum Reach at Ground Level
215 in
5470 mm
Maximum Reach
220 in
5590 mm
Maximum Dig Height
200 in
5070 mm
Maximum Dump Clearance
145 in
3690 mm
Boom In Reach
87 in
2220 mm
Tail Swing
38 in
975 mm
Maximum Blade Height
16 in
400 mm
Maximum Blade Depth
19 in
470 mm
Boom Height in Shipping Position
70 in
1770 mm
O/A Shipping Height
98 in
2500 mm
Swing Bearing Height
22 in
565 mm
O/A Undercarriage Length
87 in
2220 mm
O/A Shipping Length
194 in
4930 mm
Boom Swing Right
29 in
735 mm
Boom Swing Left
26 in
670 mm
Track Belt/Shoe Width
14 in
350 mm
O/A Track Width
77 in
1950 mm
Standard/Optional

Standard Equipment

ENGINE
HYDRAULIC SYSTEM
OPERATOR ENVIRONMENT
UNDERCARRIAGE
FRONT LINKAGE
ELECTRICAL
LIGHTS AND MIRRORS
SAFETY AND SECURITY

Optional Equipment

ENGINE
HYDRAULIC SYSTEM
OPERATOR ENVIRONMENT
UNDERCARRIAGE
FRONT LINKAGE
LIGHTS AND MIRRORS
SAFETY AND SECURITY
TECHNOLOGY

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