THIS IS MY SELECT
Mini Excavators
304E2 CR Mini Hydraulic Excavator
Net Power
40.2 HP
Operating Weight
8,996 lb
Dig Depth
135 in
THIS IS MY SELECT
backhoe loader
304E2 CR Mini Hydraulic Excavator
Net Power
40.2 HP
Operating Weight
8,996 lb
Dig Depth
135 in
Specifications
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.
-
Net Power
40.2 HP
30 kW
Engine Model
93.0 in
93.0 mm
Cat C2.4
Note
93.0 in
93.0 mm
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
40.2 HP
30 kW
Displacement
146 in³
2.4 l
Stroke
4 in
102.4 mm
Bore
3.4 in
87 mm
Gross Power - ISO 14396
41.8 HP
31.2 kW
-
Width
76.8 in
1,950 mm
Height
12.8 in
325 mm
Dig Depth
18.5 in
470 mm
Lift Height
15.7 in
400 mm
-
Cooling System
1.5 gal (US)
5.5 l
Engine Oil
2.5 gal (US)
9.5 l
Hydraulic Tank
11.2 gal (US)
42.3 l
Fuel Tank
12.2 gal (US)
46 l
Hydraulic System
17.2 gal (US)
65 l
-
Operating Weight
8,996 lb
4,080 kg
Weight - Canopy, Standard Stick
8,655 lb
3,925 kg
Weight - Cab, Long Stick
8,996 lb
4,080 kg
Weight - Canopy, Long Stick
8,721 lb
3,955 kg
Weight - Cab, Standard Stick
8,930 lb
4,050 kg
-
Travel Speed - High
3.2 mile/h
5.2 km/h
Travel Speed - Low
2.1 mile/h
3.3 km/h
Ground Pressure - Canopy
4.1 psi
28.1 kPa
Maximum Traction Force - Low Speed
6,969 lb
31 kN
Ground Pressure - Cab
4.3 psi
29.5 kPa
Maximum Traction Force - High Speed
3,799 lb
16.9 kN
-
Pump Flow at 2,200 rpm
26.4 gal/min
100 l/min
Operating Pressure - Swing
3,132 psi
216 bar
Note
93.0 in
93.0 mm
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Digging Force - Stick - Standard
4,856 lb
21.6 kN
Operating Pressure - Travel
3,553 psi
245 bar
Operating Pressure - Equipment
3,553 psi
245 bar
Digging Force - Stick - Long
4,384 lb
19.5 kN
Maximum Auxiliary Circuit - Secondary - Flow at Pump
6.6 gal/min
25 l/min
Maximum Auxiliary Circuit - Primary - Flow at Pump
17.2 gal/min
65 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump
3,553 psi
24,500 kPa
Digging Force - Bucket
8,498 lb
37.8 kN
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
3,553 psi
24,500 kPa
-
Machine Swing Speed
10 r/min
10 r/min
-
Maximum Reach - Ground Level
206 in
5,220 mm
Tail Swing
38 in
975 mm
O/A Undercarriage Length
87 in
2,220 mm
Boom Height - Shipping Position
58 in
1,480 mm
Boom Swing - Right
29 in
735 mm
O/A Track Width
77 in
1,950 mm
Maximum Blade Height
16 in
400 mm
Maximum Blade Depth
19 in
470 mm
O/A Shipping Length
190 in
4,820 mm
Dig Depth
123 in
3,130 mm
Maximum Dig Height
196 in
4,980 mm
Swing Bearing - Height
22 in
565 mm
Boom In Reach
83 in
2,110 mm
Vertical Wall
95 in
2,420 mm
Boom Swing - Left
26 in
670 mm
Maximum Reach
211 in
5,350 mm
Maximum Dump Clearance
141 in
3,590 mm
Track Belt/Shoe Width
14 in
350 mm
O/A Shipping Height
98 in
2,500 mm
-
Exterior Sound Power Level - ISO 6395:2008*
96 dB(A)
96 dB(A)
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
81 dB(A)
-
Blade Up - Side
948 lb
430 kg
Blade Up - Front
948 lb
430 kg
Blade Down - Front
1,896 lb
860 kg
Blade Down - Side
1,058 lb
480 kg
-
Machine Overhang
0 in
0 mm
Stick Length - Standard
52 in
1,315 mm
Stick Length - Long
64 in
1,615 mm
-
Dig Depth
135 in
3,430 mm
O/A Shipping Length
194 in
4,930 mm
Track Belt/Shoe Width
14 in
350 mm
Boom Height - Shipping Position
70 in
1,770 mm
Swing Bearing - Height
22 in
565 mm
Maximum Dump Clearance
145 in
3,690 mm
Boom In Reach
87 in
2,220 mm
O/A Undercarriage Length
87 in
2,220 mm
Maximum Blade Height
16 in
400 mm
Maximum Reach - Ground Level
215 in
5,470 mm
O/A Track Width
77 in
1,950 mm
Maximum Blade Depth
19 in
470 mm
Boom Swing - Right
29 in
735 mm
Boom Swing - Left
26 in
670 mm
Tail Swing
38 in
975 mm
Maximum Dig Height
200 in
5,070 mm
Maximum Reach
220 in
5,590 mm
O/A Shipping Height
98 in
2,500 mm
Vertical Wall
101 in
2,560 mm
-
Blade Down - Side
2,007 lb
910 kg
Blade Up - Side
1,808 lb
820 kg
Blade Down - Front
3,462 lb
1,570 kg
Blade Up - Front
1,808 lb
820 kg
-
ENGINE
-
Cat C2.4 diesel engine (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)
-
Automatic engine idle
-
Automatic engine shut-off
-
Automatic two speed travel
-
Diesel Particulate Filter (North America only)
-
Diesel Oxidation Catalyst (North America only)
-
Fuel and water separator
-
Power on demand
-
-
HYDRAULIC SYSTEM
-
1-way and 2-way (combined function)
-
Accumulator
-
Automatic swing parking brake
-
Auxiliary hydraulic lines
-
Adjustable auxiliary relief
-
Auxiliary line quick disconnects
-
Cat interlock system: hydraulic lockout
-
Continuous auxiliary flow
-
Ecology drain
-
Hydraulic oil cooler
-
High definition hydraulics
-
Load sensing/flow sharing
-
-
OPERATOR ENVIRONMENT
-
100% pilot control ergonomic joysticks
-
Adjustable armrests
-
COMPASS: complete, operation, maintenance, performance and security system Multiple languages
-
Cup holder
-
Hydraulic neutral lockout bar
-
Literature holder
-
Pattern changer (optional in Europe)
-
Site reference system: leveling
-
Tool storage area
-
Travel control pedals with hand levers
-
Washable floor mat
-
-
UNDERCARRIAGE
-
Dozer blade with float function
-
Track, rubber belt, 350 mm (14 in) width
-
Tie down eyes on track frame
-
Towing eye on base frame
-
-
FRONT LINKAGE
-
200 degree bucket rotation
-
Certified lifting eye on bucket linkage (optional in Europe)
-
Front shovel capable
-
Thumb ready stick
-
-
ELECTRICAL
-
12 volt electrical system
-
60 ampere alternator
-
650 CCA maintenance free battery
-
Fuse box
-
Ignition key start/stop switch
-
Slow blow fuse
-
Warning horn
-
-
LIGHTS AND MIRRORS
-
SAFETY AND SECURITY
-
Anti-theft system (COMPASS)
-
Caterpillar Corporate “One Key” System
-
Door locks
-
Lockable fuel cap
-
Retractable seat belt
-
Roll Over Protective Structure (ROPS) (ISO 12117-2)
-
Tip Over Protective Structure (TOPS) (ISO 12117)
-
Top guard – ISO 10262 (Level 1)
-
Travel alarm (optional in Europe)
-
-
TECHNOLOGY
-
ENGINE
-
HYDRAULIC SYSTEM
-
Quick coupler lines
-
Boom lowering check valve
-
Stick lowering check valve
-
Secondary auxiliary hydraulic lines
-
-
OPERATOR ENVIRONMENT
-
UNDERCARRIAGE
-
Power angle blade
-
Track, double grouser (steel), 350 mm (14 in)
-
-
FRONT LINKAGE
-
Quick coupler: manual or hydraulic
-
Thumb
-
Buckets
-
Full range of performance matched work tools Auger, hammer, ripper
-
-
LIGHTS AND MIRRORS
-
Light, cab with time delay capability
-
Mirror, canopy right
-
Mirror, canopy left
-
Mirror, cab rear
-
-
SAFETY AND SECURITY
-
Battery disconnect
-
Beacon socket
-
Front wire mesh guard
-
Rearview camera
-
Vandal guard
-
Similar Models
WHY CHOOSE EMPIRE
-
Every purchase backed by a full menu of service and support offerings
-
Flexible financing options designed to fit your budget
-
Commitment to providing expert training to maximize operations
-
Value Agreements to ensure proper maintenance and performance