305E2 CR Mini Hydraulic Excavator
The Cat® 305E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
- Technical Specs
- Standard Equipment
- Optional Equipment
- 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
- Stroke
- 4 in
- Displacement
- 146 in3
- Gross Power – ISO 14396
- 41.8 hp
- Emissions
- Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
- Operating Weight
- 11443 lb
- Weight – Canopy, Standard Stick
- 10970 lb
- Weight – Canopy, Long Stick
- 11069 lb
- Weight – Cab, Standard Stick
- 11334 lb
- Weight – Cab, Long Stick
- 11443 lb
- Note
- *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Travel Speed – High
- 2.7 mph
- Travel Speed – Low
- 1.7 mph
- Max Traction Force – High Speed
- 5418 lb
- Max Traction Force – Low Speed
- 10161 lb
- Ground Pressure – Canopy
- 4.3 psi
- Ground Pressure – Cab
- 4.4 psi
- Gradeability (maximum)
- 30°
- Pump Flow at 2,400 rpm
- 39.6 gal/min
- Operating Pressure – Equipment
- 3553 psi
- Operating Pressure – Travel
- 3553 psi
- Operating Pressure – Swing
- 3132 psi
- Auxiliary Circuit – Primary (186 bar/2,734 psi)
- 21.1 gal/min
- Auxiliary Circuit – Secondary (174 bar/2,524 psi)
- 6.6 gal/min
- Digging Force – Stick (standard)
- 5550 lb
- Digging Force – Stick (long)
- 4788 lb
- Digging Force – Bucket
- 10050 lb
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Machine Swing Speed
- 10 rpm
- Boom Swing – Left* (without stop)
- 80°
- Boom Swing – Left* (with stop)
- 60°
- Boom Swing – Right
- 50°
- Note
- *Automatic swing brake, spring applied, hydraulic release.
- Width
- 78.0 in
- Height
- 14.8 in
- Dig Depth
- 21.9 in
- Lift Height
- 15.9 in
- Cooling System
- 2.8 gal
- Engine Oil
- 2.5 gal
- Hydraulic Tank
- 18 gal
- Fuel Tank
- 16.6 gal
- Hydraulic System
- 20.6 gal
- Stick Length – Standard
- 52 in
- Stick Length – Long
- 67 in
- 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)
- Number of Carrier Rollers
- 3
- Number of Track Rollers
- 3
- Track Roller Type
- Triple Flange
- Blade Down – Front
- 5159 lb
- Blade Up – Front
- 3197 lb
- Blade Down – Side
- 2646 in
- Blade Up – Side
- 2359 in
- Blade Down – Front
- 2778 lb
- Blade Up – Front
- 1676 lb
- Blade Down – Side
- 1411 lb
- Blade Up – Side
- 1257 lb
- Dig Depth
- 129 in
- Vertical Wall
- 91 in
- Maximum Reach at Ground Level
- 210 in
- Maximum Reach
- 220 in
- Maximum Dig Height
- 207 in
- Maximum Dump Clearance
- 129 in
- Boom In Reach
- 93 in
- Tail Swing
- 43 in
- Maximum Blade Height
- 16 in
- Maximum Blade Depth
- 22 in
- Boom Height in Shipping Position
- 69 in
- O/A Shipping Height
- 100 in
- Swing Bearing Height
- 24 in
- O/A Undercarriage Length
- 102 in
- O/A Shipping Length
- 204 in
- Boom Swing Right
- 31 in
- Boom Swing Left
- 27 in
- Track Belt/Shoe Width
- 16 in
- O/A Track Width
- 78 in
- Dig Depth
- 144 in
- Vertical Wall
- 104 in
- Maximum Reach at Ground Level
- 229 in
- Maximum Reach
- 235 in
- Maximum Dig Height
- 214 in
- Maximum Dump Clearance
- 154 in
- Boom In Reach
- 100 in
- Tail Swing
- 43 in
- Maximum Blade Height
- 16 in
- Maximum Blade Depth
- 22 in
- Boom Height in Shipping Position
- 85 in
- O/A Shipping Height
- 100 in
- Swing Bearing Height
- 24 in
- O/A Undercarriage Length
- 102 in
- O/A Shipping Length
- 208 in
- Boom Swing Right
- 31 in
- Boom Swing Left
- 27 in
- Track Belt/Shoe Width
- 16 in
- O/A Track Width
- 78 in
-
ENGINE
- Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/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, 400 mm (16 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)
-
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
- Cab:
-
UNDERCARRIAGE
- Power angle blade
- Track, double grouser (steel), 400 mm (16 in)
- Track, double grouser (steel) with rubber pad, 400 mm (16 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
-
TECHNOLOGY
- Product Link™