304E2 CR Mini Hydraulic Excavator

304E2 CR Mini Hydraulic Excavator

304E2 CR Mini Hydraulic Excavator

Product Specs

Engine

Net Power
40.2HP
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
40.2HP
Engine Model
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.
Gross Power - ISO 14396
41.8HP
Displacement
146in³
Bore
3.4in
Stroke
4in

Travel System

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

Operating Specifications

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

Dimensions - Standard Stick

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

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

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

Hydraulic System

Digging Force - Bucket
8498lb
Operating Pressure - Swing
3132psi
Operating Pressure - Travel
3553psi
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,200 rpm
26.4gal/min
Operating Pressure - Equipment
3553psi
Digging Force - Stick - Standard
4856lb
Digging Force - Stick - Long
4384lb
Maximum Auxiliary Circuit - Secondary - Flow at Pump
6.6gal/min
Maximum Auxiliary Circuit - Primary - Flow at Pump
17.2gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump
3553psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
3553psi

Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)

Blade Up - Front
1808lb
Blade Down - Side
2007lb
Blade Down - Front
3462lb
Blade Up - Side
1808lb

Dimensions - Long Stick

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

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81dB(A)
Exterior Sound Power Level - ISO 6395:2008*
96dB(A)

Service Refill Capacities

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

Swing System

Machine Swing Speed
10r/min

Blade

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

Weights*

Weight - Canopy, Standard Stick
8655lb
Weight - Canopy, Long Stick
8721lb
Weight - Cab, Standard Stick
8930lb
Weight - Cab, Long Stick
8996lb
Operating Weight
8996lb

Worktool Attachments

Equipment

  • 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
    • Boom light with time delay capability
  • 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
    • Product Link

Optional Equipment

  • Engine
    • Engine block heater
  • Hydraulic System
    • Quick coupler lines
    • Boom lowering check valve
    • Stick lowering check valve
    • Secondary auxiliary hydraulic lines
  • Operator Environment
    • Cab:
      • Air conditioning
      • Heat
      • High back suspension seat
      • Interior light
      • Interlocking front window system
      • Radio
      • Windshield wiper
  • 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

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