Excavators

304E2 CR Mini Hydraulic Excavator

image desc
Additional Views:
Buy Now Quick Quote

Specification Summary

Engine Model
Cat® C2.4
Net Power
40.2 HP
Machine Swing Speed
10 r/min
Width
76.8 in
Print this page Email to a Friend

Engine

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

Weights*

Operating Weight
8996 lb
Weight - Canopy, Standard Stick
8655 lb
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick
8996 lb
Weight - Cab, Standard Stick
8930 lb
Weight - Canopy, Long Stick
8721 lb

Travel System

Maximum Traction Force - High Speed
3799 lb
Maximum Traction Force - Low Speed
6969 lb
Travel Speed - High
3.2 mile/h
Travel Speed - Low
2.1 mile/h
Gradeability - Maximum
30°
Ground Pressure - Cab
4.3 psi
Ground Pressure - Canopy
4.1 psi

Hydraulic System

Operating Pressure - Equipment
3553 psi
Operating Pressure - Travel
3553 psi
Operating Pressure - Swing
3132 psi
Digging Force - Stick - Standard
4856 lb
Digging Force - Stick - Long
4384 lb
Auxiliary Circuit - Primary (186 bar/2,734 psi)
18.5 gal/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi)
6.6 gal/min
Pump Flow at 2,200 rpm
26.4 gal/min
Digging Force - Bucket
8498 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

Machine Swing Speed
10 r/min
Boom Swing - Right
50°
Boom Swing - Left - With Stop*
55°
Boom Swing - Left - Without Stop*
70°
Note
*Automatic swing brake, spring applied, hydraulic release.

Blade

Width
76.8 in
Height
12.8 in
Dig Depth
18.5 in
Lift Height
15.7 in

Service Refill Capacities

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

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
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)

Dimensions - Long Stick

Boom Height - Shipping Position
70 in
Boom In Reach
87 in
Boom Swing - Left
26 in
Boom Swing - Right
29 in
Dig Depth
135 in
Maximum Blade Depth
19 in
Maximum Blade Height
16 in
Maximum Dig Height
200 in
Maximum Dump Clearance
145 in
Maximum Reach
220 in
Maximum Reach - Ground Level
215 in
O/A Shipping Height
98 in
O/A Shipping Length
194 in
O/A Track Width
77 in
O/A Undercarriage Length
87 in
Swing Bearing - Height
22 in
Tail Swing
38 in
Track Belt/Shoe Width
14 in
Vertical Wall
101 in

Dimensions - Standard Stick

Boom Height - Shipping Position
58 in
Boom In Reach
83 in
Boom Swing - Left
26 in
Boom Swing - Right
29 in
Dig Depth
123 in
Maximum Blade Depth
19 in
Maximum Blade Height
16 in
Maximum Dig Height
196 in
Maximum Dump Clearance
141 in
Maximum Reach
211 in
Maximum Reach - Ground Level
206 in
O/A Shipping Height
98 in
O/A Shipping Length
190 in
O/A Track Width
77 in
O/A Undercarriage Length
87 in
Swing Bearing - Height
22 in
Tail Swing
38 in
Track Belt/Shoe Width
14 in
Vertical Wall
95 in

Operating Specifications

Machine Overhang
0 in
Stick Length - Long
64 in
Stick Length - Standard
52 in

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
Blade Up - Front
1808 lb
Blade Down - Side
2007 lb
Blade Up - Side
1808 lb

Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)

Blade Down - Front
1896 lb
Blade Up - Front
948 lb
Blade Down - Side
1058 lb
Blade Up - Side
948 lb

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 equivalent of 1.4 metric tonnes.
Engine Model
Cat® C2.4
Net Power
40.2 HP
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
40.2 HP
Operating Weight
8996 lb
Weight - Canopy, Standard Stick
8655 lb
Bore
3.4 in
Displacement
146 in³
Stroke
4 in
Maximum Traction Force - High Speed
3799 lb
Maximum Traction Force - Low Speed
6969 lb
Travel Speed - High
3.2 mile/h
Travel Speed - Low
2.1 mile/h
Operating Pressure - Equipment
3553 psi
Operating Pressure - Travel
3553 psi
Operating Pressure - Swing
3132 psi
Digging Force - Stick - Standard
4856 lb
Digging Force - Stick - Long
4384 lb
Auxiliary Circuit - Primary (186 bar/2,734 psi)
18.5 gal/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi)
6.6 gal/min
Pump Flow at 2,200 rpm
26.4 gal/min
Machine Swing Speed
10 r/min
Boom Swing - Right
50°
Boom Swing - Left - With Stop*
55°
Boom Swing - Left - Without Stop*
70°
Width
76.8 in
Height
12.8 in
Dig Depth
18.5 in
Lift Height
15.7 in
Cooling System
1.5 gal (US)
Engine Oil
2.5 gal (US)
Hydraulic Tank
11.2 gal (US)
Fuel Tank
12.2 gal (US)
Hydraulic System
17.2 gal (US)
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
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 Guard
ISO 10262 (Level I)
Boom Height - Shipping Position
70 in
Boom In Reach
87 in
Boom Swing - Left
26 in
Boom Swing - Right
29 in
Dig Depth
135 in
Maximum Blade Depth
19 in
Maximum Blade Height
16 in
Maximum Dig Height
200 in
Maximum Dump Clearance
145 in
Maximum Reach
220 in
Maximum Reach - Ground Level
215 in
O/A Shipping Height
98 in
O/A Shipping Length
194 in
O/A Track Width
77 in
O/A Undercarriage Length
87 in
Swing Bearing - Height
22 in
Tail Swing
38 in
Track Belt/Shoe Width
14 in
Vertical Wall
101 in
Boom Height - Shipping Position
58 in
Boom In Reach
83 in
Boom Swing - Left
26 in
Boom Swing - Right
29 in
Dig Depth
123 in
Maximum Blade Depth
19 in
Maximum Blade Height
16 in
Maximum Dig Height
196 in
Maximum Dump Clearance
141 in
Maximum Reach
211 in
Maximum Reach - Ground Level
206 in
O/A Shipping Height
98 in
O/A Shipping Length
190 in
O/A Track Width
77 in
O/A Undercarriage Length
87 in
Swing Bearing - Height
22 in
Tail Swing
38 in
Track Belt/Shoe Width
14 in
Vertical Wall
95 in
Emissions
*Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396
41.8 HP
Digging Force - Bucket
8498 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Machine Overhang
0 in
Stick Length - Long
64 in
Stick Length - Standard
52 in
Note
*Automatic swing brake, spring applied, hydraulic release.
Gradeability - Maximum
30°
Ground Pressure - Cab
4.3 psi
Ground Pressure - Canopy
4.1 psi
Number of Carrier Rollers
1
Number of Track Rollers
4
Track Roller Type
Center Flange
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick
8996 lb
Weight - Cab, Standard Stick
8930 lb
Weight - Canopy, Long Stick
8721 lb
Blade Down - Front
3462 lb
Blade Up - Front
1808 lb
Blade Down - Side
2007 lb
Blade Up - Side
1808 lb
Blade Down - Front
1896 lb
Blade Up - Front
948 lb
Blade Down - Side
1058 lb
Blade Up - Side
948 lb
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.