304E2 CR Mini Hydraulic Excavator
At a Glance
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Overview
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.
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Engine
+ -Net Power | 40.2HP |
Engine Model | Cat C2.4 |
Stroke | 4in |
Displacement | 146in³ |
Bore | 3.4in |
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 | 40.2HP |
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 |
Weights*
+ -Operating Weight | 8996lb |
Weight - Cab, Long Stick | 8996lb |
Weight - Canopy, Long Stick | 8721lb |
Weight - Canopy, Standard Stick | 8655lb |
Weight - Cab, Standard Stick | 8930lb |
Dimensions - Long Stick
+ -Dig Depth | 135in |
Boom Swing - Right | 29in |
Boom Swing - Left | 26in |
Boom In Reach | 87in |
Boom Height - Shipping Position | 70in |
Swing Bearing - Height | 22in |
O/A Undercarriage Length | 87in |
O/A Track Width | 77in |
O/A Shipping Length | 194in |
O/A Shipping Height | 98in |
Maximum Reach - Ground Level | 215in |
Maximum Reach | 220in |
Maximum Dump Clearance | 145in |
Maximum Dig Height | 200in |
Maximum Blade Height | 16in |
Maximum Blade Depth | 19in |
Vertical Wall | 101in |
Track Belt/Shoe Width | 14in |
Tail Swing | 38in |
Swing System
+ -Machine Swing Speed | 10r/min |
Blade
+ -Width | 76.8in |
Height | 12.8in |
Dig Depth | 18.5in |
Lift Height | 15.7in |
Service Refill Capacities
+ -Cooling System | 1.5gal (US) |
Engine Oil | 2.5gal (US) |
Hydraulic Tank | 11.2gal (US) |
Fuel Tank | 12.2gal (US) |
Hydraulic System | 17.2gal (US) |
Hydraulic System
+ -Pump Flow at 2,200 rpm | 26.4gal/min |
Operating Pressure - Swing | 3132psi |
Operating Pressure - Travel | 3553psi |
Operating Pressure - Equipment | 3553psi |
Digging Force - Stick - Standard | 4856lb |
Digging Force - Bucket | 8498lb |
Digging Force - Stick - Long | 4384lb |
Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
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 |
Dimensions - Standard Stick
+ -Maximum Reach | 211in |
Maximum Dump Clearance | 141in |
Maximum Dig Height | 196in |
Maximum Blade Height | 16in |
Maximum Blade Depth | 19in |
Dig Depth | 123in |
Boom In Reach | 83in |
Boom Swing - Left | 26in |
Boom Swing - Right | 29in |
Vertical Wall | 95in |
Track Belt/Shoe Width | 14in |
Swing Bearing - Height | 22in |
Tail Swing | 38in |
O/A Undercarriage Length | 87in |
O/A Track Width | 77in |
O/A Shipping Length | 190in |
O/A Shipping Height | 98in |
Maximum Reach - Ground Level | 206in |
Boom Height - Shipping Position | 58in |
Travel System
+ -Ground Pressure - Canopy | 4.1psi |
Ground Pressure - Cab | 4.3psi |
Travel Speed - Low | 2.1mile/h |
Travel Speed - High | 3.2mile/h |
Maximum Traction Force - Low Speed | 6969lb |
Maximum Traction Force - High Speed | 3799lb |
Operating Specifications
+ -Stick Length - Standard | 52in |
Stick Length - Long | 64in |
Machine Overhang | 0in |
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
+ -Blade Up - Side | 948lb |
Blade Up - Front | 948lb |
Blade Down - Front | 1896lb |
Blade Down - Side | 1058lb |
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)
+ -Blade Up - Side | 1808lb |
Blade Up - Front | 1808lb |
Blade Down - Side | 2007lb |
Blade Down - Front | 3462lb |
Cab
+ -Exterior Sound Power Level - ISO 6395:2008* | 96dB(A) |
Dynamic Operator Sound Pressure Level (ISO 6396:2008) | 81dB(A) |
Standard Equipment:
Engine
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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)
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Automatic engine idle
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Automatic engine shut-off
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Automatic two speed travel
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Diesel Particulate Filter (North America only)
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Diesel Oxidation Catalyst (North America only)
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Fuel and water separator
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Power on demand
Hydraulic System
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1-way and 2-way (combined function)
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Accumulator
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Automatic swing parking brake
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Auxiliary hydraulic lines
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Adjustable auxiliary relief
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Auxiliary line quick disconnects
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Cat interlock system: hydraulic lockout
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Continuous auxiliary flow
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Ecology drain
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Hydraulic oil cooler
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High definition hydraulics
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Load sensing/flow sharing
Operator Environment
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100% pilot control ergonomic joysticks
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Adjustable armrests
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COMPASS: complete, operation, maintenance, performance and security system
- Multiple languages
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Cup holder
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Hydraulic neutral lockout bar
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Literature holder
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Pattern changer (optional in Europe)
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Site reference system: leveling
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Tool storage area
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Travel control pedals with hand levers
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Washable floor mat
Undercarriage
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Dozer blade with float function
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Track, rubber belt, 350 mm (14 in) width
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Tie down eyes on track frame
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Towing eye on base frame
Front Linkage
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200 degree bucket rotation
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Certified lifting eye on bucket linkage (optional in Europe)
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Front shovel capable
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Thumb ready stick
Electrical
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12 volt electrical system
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60 ampere alternator
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650 CCA maintenance free battery
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Fuse box
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Ignition key start/stop switch
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Slow blow fuse
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Warning horn
Lights And Mirrors
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Boom light with time delay capability
Safety And Security
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Anti-theft system (COMPASS)
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Caterpillar Corporate “One Key” System
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Door locks
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Lockable fuel cap
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Retractable seat belt
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Roll Over Protective Structure (ROPS) (ISO 12117-2)
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Tip Over Protective Structure (TOPS) (ISO 12117)
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Top guard – ISO 10262 (Level 1)
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Travel alarm (optional in Europe)
Technology
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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
*This estimate is for the base rental charge only. Other fees and charges may apply and will be calculated at the time of rental. Does not include delivery fees.
*Images are for general reference only. Individual product models may vary. Please consult with your dealer to verify machine configuration.
*Images are for general reference only. Individual product models may vary. Please consult with your dealer to verify machine configuration.