Excavators

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304E2 CR
UNITS:
Metric
Imperial
Net Power
30 kW
40.2 HP
 
32.9 kW
44.1 HP
 
30 kW
40.2 HP
Engine Model
Cat C2.4
Cat C2.4
 
Cat® C2.4
Cat® C2.4
 
Cat C2.4
Cat C2.4
Note
The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
 
-
 
The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
30 kW
40.2 HP
 
32.9 kW
44.1 HP
 
30 kW
40.2 HP
Displacement
2.4 l
146 in³
 
2.4 l
146 in³
 
2.4 l
146 in³
Stroke
102.4 mm
4 in
 
102.4 mm
4 in
 
102.4 mm
4 in
Bore
87 mm
3.4 in
 
87 mm
3.4 in
 
87 mm
3.4 in
Gross Power - ISO 14396
31.2 kW
41.8 HP
 
34.1 kW
45.7 HP
 
31.2 kW
41.8 HP
Emissions
-
 
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
 
-
Operating Weight
4080 kg
8996 lb
 
5423 kg
11958 lb
 
5185 kg
11443 lb
Weight - Canopy, Standard Stick
3925 kg
8655 lb
 
5217 kg
11503 lb
 
4975 kg
10970 lb
Weight - Canopy, Long Stick
3955 kg
8721 lb
 
5259 kg
11596 lb
 
5020 kg
11069 lb
Weight - Cab, Long Stick
4080 kg
8996 lb
 
5423 kg
11958 lb
 
5185 kg
11443 lb
Weight - Cab, Standard Stick
4050 kg
8930 lb
 
5380 kg
11863 lb
 
5140 kg
11334 lb
Note
-
 
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
 
-
Maximum Traction Force - High Speed
16.9 kN
3799 lb
 
26.8 kN
6025 lb
 
24.1 kN
5418 lb
Maximum Traction Force - Low Speed
31 kN
6969 lb
 
47.8 kN
10746 lb
 
45.2 kN
10161 lb
Travel Speed - High
5.2 km/h
3.2 mile/h
 
4.5 km/h
2.8 mile/h
 
4.4 km/h
2.7 mile/h
Travel Speed - Low
3.3 km/h
2.1 mile/h
 
2.8 km/h
1.7 mile/h
 
2.8 km/h
1.7 mile/h
Ground Pressure - Canopy
28.1 kPa
4.1 psi
 
31 kPa
4.5 psi
 
29.5 kPa
4.3 psi
Ground Pressure - Cab
29.5 kPa
4.3 psi
 
31.9 kPa
4.6 psi
 
30.5 kPa
4.4 psi
Gradeability - Maximum
-
 
30°
30°
 
-
Digging Force - Stick - Long
19.5 kN
4384 lb
 
24.8 kN
5575 lb
 
21.3 kN
4788 lb
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
 
-
 
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Digging Force - Stick - Standard
21.6 kN
4856 lb
 
28.9 kN
6500 lb
 
24.7 kN
5550 lb
Operating Pressure - Travel
245 bar
3553 psi
 
245 bar
3553 psi
 
245 bar
3553 psi
Operating Pressure - Equipment
245 bar
3553 psi
 
245 bar
3553 psi
 
245 bar
3553 psi
Operating Pressure - Swing
216 bar
3132 psi
 
216 bar
3132 psi
 
216 bar
3132 psi
Pump Flow at 2,200 rpm
100 l/min
26.4 gal/min
 
-
 
-
Maximum Auxiliary Circuit - Secondary - Flow at Pump
25 l/min
6.6 gal/min
 
-
 
25 l/min
6.6 gal/min
Maximum Auxiliary Circuit - Primary - Flow at Pump
65 l/min
17.2 gal/min
 
-
 
80 l/min
21.1 gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump
24500 kPa
3553 psi
 
-
 
24500 kPa
3553 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
24500 kPa
3553 psi
 
-
 
24500 kPa
3553 psi
Digging Force - Bucket
37.8 kN
8498 lb
 
50.9 kN
11445 lb
 
44.7 kN
10050 lb
Pump Flow at 2,400 rpm
-
 
150 l/min
39.6 gal/min
 
150 l/min
39.6 gal/min
Maximum Auxiliary Circuit - Primary - Pressure
-
 
24500 kPa
3553 psi
 
-
Maximum Auxiliary Circuit - Secondary - Pressure
-
 
24500 kPa
3553 psi
 
-
Maximum Auxiliary Circuit - Secondary - Flow
-
 
25 l/min
6.6 gal/min
 
-
Maximum Auxiliary Circuit - Primary - Flow
-
 
80 l/min
21.1 gal/min
 
-
Type
-
 
Load Sensing Hydraulics with Variable Displacement Piston Pump
Load Sensing Hydraulics with Variable Displacement Piston Pump
 
-
Machine Swing Speed
10 r/min
10 r/min
 
10 r/min
10 r/min
 
10 r/min
10 r/min
Boom Swing - Right
-
 
50°
50°
 
-
Boom Swing - Left - Without Stop*
-
 
80°
80°
 
-
Boom Swing - Left - With Stop*
-
 
60°
60°
 
-
Note
-
 
*Automatic swing brake, spring applied, hydraulic release.
*Automatic swing brake, spring applied, hydraulic release.
 
-
Width
1950 mm
76.8 in
 
1980 mm
78 in
 
1980 mm
78 in
Height
325 mm
12.8 in
 
375 mm
14.8 in
 
375 mm
14.8 in
Dig Depth
470 mm
18.5 in
 
555 mm
21.9 in
 
555 mm
21.9 in
Lift Height
400 mm
15.7 in
 
405 mm
15.9 in
 
405 mm
15.9 in
Cooling System
5.5 l
1.5 gal (US)
 
10.5 l
2.8 gal (US)
 
10.5 l
2.8 gal (US)
Engine Oil
9.5 l
2.5 gal (US)
 
9.5 l
2.5 gal (US)
 
9.5 l
2.5 gal (US)
Hydraulic Tank
42.3 l
11.2 gal (US)
 
68.3 l
18 gal (US)
 
68.3 l
18 gal (US)
Fuel Tank
46 l
12.2 gal (US)
 
63 l
16.6 gal (US)
 
63 l
16.6 gal (US)
Hydraulic System
65 l
17.2 gal (US)
 
78 l
20.6 gal (US)
 
78 l
20.6 gal (US)
Dig Depth
3430 mm
135 in
 
3870 mm
152 in
 
3670 mm
144 in
Maximum Dig Height
5070 mm
200 in
 
5590 mm
220 in
 
5440 mm
214 in
Maximum Reach
5590 mm
220 in
 
6170 mm
243 in
 
5960 mm
235 in
Vertical Wall
2560 mm
101 in
 
2730 mm
107 in
 
2630 mm
104 in
O/A Shipping Height
2500 mm
98 in
 
2550 mm
100 in
 
2550 mm
100 in
Boom Swing - Right
735 mm
29 in
 
785 mm
31 in
 
785 mm
31 in
Maximum Blade Depth
470 mm
19 in
 
555 mm
22 in
 
555 mm
22 in
O/A Track Width
1950 mm
77 in
 
1980 mm
78 in
 
1980 mm
78 in
Maximum Dump Clearance
3690 mm
145 in
 
4080 mm
161 in
 
3920 mm
154 in
Swing Bearing - Height
565 mm
22 in
 
615 mm
24 in
 
615 mm
24 in
Boom Height - Shipping Position
1770 mm
70 in
 
2150 mm
85 in
 
2150 mm
85 in
Track Belt/Shoe Width
350 mm
14 in
 
400 mm
16 in
 
400 mm
16 in
O/A Shipping Length
4930 mm
194 in
 
5460 mm
215 in
 
5290 mm
208 in
Maximum Reach - Ground Level
5470 mm
215 in
 
6020 mm
237 in
 
5810 mm
229 in
O/A Undercarriage Length
2220 mm
87 in
 
2580 mm
102 in
 
2580 mm
102 in
Maximum Blade Height
400 mm
16 in
 
405 mm
16 in
 
405 mm
16 in
Tail Swing
975 mm
38 in
 
1130 mm
44 in
 
1100 mm
43 in
Boom Swing - Left
670 mm
26 in
 
695 mm
27 in
 
695 mm
27 in
Boom In Reach
2220 mm
87 in
 
2530 mm
100 in
 
2530 mm
100 in
Maximum Dig Height
4980 mm
196 in
 
5330 mm
210 in
 
5250 mm
207 in
Swing Bearing - Height
565 mm
22 in
 
615 mm
24 in
 
615 mm
24 in
Maximum Dump Clearance
3590 mm
141 in
 
3820 mm
150 in
 
3720 mm
129 in
Boom Swing - Left
670 mm
26 in
 
695 mm
27 in
 
695 mm
27 in
Boom In Reach
2110 mm
83 in
 
2400 mm
94 in
 
2350 mm
93 in
Maximum Blade Depth
470 mm
19 in
 
555 mm
22 in
 
555 mm
22 in
O/A Shipping Height
2500 mm
98 in
 
2550 mm
100 in
 
2550 mm
100 in
Maximum Reach
5350 mm
211 in
 
5790 mm
228 in
 
5600 mm
220 in
Vertical Wall
2420 mm
95 in
 
2330 mm
92 in
 
2320 mm
91 in
Maximum Reach - Ground Level
5220 mm
206 in
 
5630 mm
222 in
 
5330 mm
210 in
Track Belt/Shoe Width
350 mm
14 in
 
400 mm
16 in
 
400 mm
16 in
Maximum Blade Height
400 mm
16 in
 
405 mm
16 in
 
405 mm
16 in
O/A Track Width
1950 mm
77 in
 
1980 mm
78 in
 
1980 mm
78 in
Boom Height - Shipping Position
1480 mm
58 in
 
1740 mm
69 in
 
1750 mm
69 in
O/A Undercarriage Length
2220 mm
87 in
 
2580 mm
102 in
 
2580 mm
102 in
Dig Depth
3130 mm
123 in
 
3470 mm
137 in
 
3280 mm
129 in
Tail Swing
975 mm
38 in
 
1130 mm
44 in
 
1100 mm
43 in
O/A Shipping Length
4820 mm
190 in
 
5330 mm
210 in
 
5180 mm
204 in
Boom Swing - Right
735 mm
29 in
 
785 mm
31 in
 
785 mm
31 in
Stick Length - Long
1615 mm
64 in
 
1820 mm
70 in
 
1750 mm
67 in
Machine Overhang
0 mm
0 in
 
-
 
-
Stick Length - Standard
1315 mm
52 in
 
1420 mm
55 in
 
1350 mm
52 in
Counterweight
-
 
165.3 kg
364.4 lb
 
-
Blade Up - Side
820 kg
1808 lb
Blade Down - Side
910 kg
2007 lb
Blade Up - Front
820 kg
1808 lb
Blade Down - Front
1570 kg
3462 lb
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
81 dB(A)
 
81 dB(A)
81 dB(A)
 
81 dB(A)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
96 dB(A)
96 dB(A)
 
97 dB(A)
97 dB(A)
 
96 dB(A)
96 dB(A)
Note
-
 
*European Union Directive “2000/14/EC”
*European Union Directive “2000/14/EC”
 
-
Blade Up - Front
430 kg
948 lb
Blade Down - Side
480 kg
1058 lb
Blade Down - Front
860 kg
1896 lb
Blade Up - Side
430 kg
948 lb
Number of Carrier Rollers
1
1
Track Roller Type
Center Flange
Center Flange
Number of Track Rollers
4
4
Blade Up - Front
1550 kg
3417 lb
 
1450 kg
3197 lb
Blade Up - Side
1150 kg
2535 lb
 
1070 kg
2359 in
Blade Down - Side
1290 kg
2844 lb
 
1200 kg
2646 in
Blade Down - Front
2590 kg
5710 lb
 
2340 kg
5159 lb
Blade Down - Front
1380 kg
3042 lb
Blade Up - Side
620 kg
1367 lb
Blade Up - Front
820 kg
1808 lb
Blade Down - Side
690 kg
1521 lb
Tip Over Protective Structure (TOPS)
ISO 12117
ISO 12117
Top Guard
ISO 10262 (Level I)
ISO 10262 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2
ISO 12117-2
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 equivalent of 1.4 metric tonnes.
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 equivalent of 1.4 metric tonnes.
Blade Down - Side
640 kg
1411 lb
Blade Down - Front
1260 kg
2778 lb
Blade Up - Side
570 kg
1257 lb
Blade Up - Front
760 kg
1676 lb
X
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