305.5E2 CR Mini Hydraulic Excavator

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CALCULATE FINANCE

QUALITY

The durable hoods and frame and the compact radius design of the 305.5E2 let you work comfortably and confidently in confined areas. The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.

EFFICIENCY

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability. Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.

VERSATILITY

Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine able to meet the requirements of any job site. Over 200 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.

PERFORMANCE

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

SERVICEABILITY

Convenient service and maintenance requirements include ease of access to daily check points, 500 hour engine oil and filter change period, 500 hour grease interval on front implement, S·O·SSM oil sampling valve and overall long term durability.

SAFETY

All Cat Mini Excavators from 3.5 metric tons to 8 metric tons are ROPS, TOPS and Top Guard Level 1 certified and include the Cat Interlock (hydraulic lockout) System, a certified accumulator which allows for auxiliary pressure to be released, making connecting and disconnecting work tools safer and easier, and a travel alarm. All of these safety features are standard on the E2 model lineup (travel alarm optional in Europe).

Engine
Net Power 32.9 kW (44.1 HP)
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 32.9 kW (44.1 HP)
Weights*
Operating Weight 5423 kg (11958 lb)
Weight - Canopy, Standard Stick 5217 kg (11503 lb)
Engine
Bore 87 mm (3.4 in)
Stroke 102.4 mm (4 in)
Displacement 2.4 l (146 inu00b3)
Travel System
Travel Speed - High 4.5 km/h (2.8 mile/h)
Maximum Traction Force - High Speed 26.8 kN (6025 lb)
Travel Speed - Low 2.8 km/h (1.7 mile/h)
Maximum Traction Force - Low Speed 47.8 kN (10746 lb)
Hydraulic System
Operating Pressure - Travel 245 bar (3553 psi)
Digging Force - Stick - Long 24.8 kN (5575 lb)
Operating Pressure - Swing 216 bar (3132 psi)
Operating Pressure - Equipment 245 bar (3553 psi)
Digging Force - Stick - Standard 28.9 kN (6500 lb)
Pump Flow at 2,400 rpm 150 l/min (39.6 gal/min)
Maximum Auxiliary Circuit - Primary - Pressure 24500 kPa (3553 psi)
Maximum Auxiliary Circuit - Secondary - Pressure 24500 kPa (3553 psi)
Maximum Auxiliary Circuit - Secondary - Flow 25 l/min (6.6 gal/min)
Maximum Auxiliary Circuit - Primary - Flow 80 l/min (21.1 gal/min)
Swing System
Machine Swing Speed 10 r/min (10 r/min)
Boom Swing - Right 50u00b0
Boom Swing - Left - Without Stop* 80u00b0
Boom Swing - Left - With Stop* 60u00b0
Blade
Width 1980 mm (78 in)
Height 375 mm (14.8 in)
Dig Depth 555 mm (21.9 in)
Lift Height 405 mm (15.9 in)
Service Refill Capacities
Hydraulic Tank 68.3 l (18 gal (US))
Cooling System 10.5 l (2.8 gal (US))
Fuel Tank 63 l (16.6 gal (US))
Engine Oil 9.5 l (2.5 gal (US))
Hydraulic System 78 l (20.6 gal (US))
Dimensions - Long Stick
Dig Depth 3870 mm (152 in)
Operating Specifications
Stick Length - Long 1820 mm (70 in)
Dimensions - Standard Stick
Boom In Reach 2400 mm (94 in)
Weights*
Weight - Cab, Long Stick 5423 kg (11958 lb)
Dimensions - Standard Stick
O/A Shipping Height 2550 mm (100 in)
Travel System
Ground Pressure - Canopy 31 kPa (4.5 psi)
Undercarriage
Number of Carrier Rollers 1
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8u201d)
Blade Up - Front 1550 kg (3417 lb)
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9u201d)
Blade Down - Front 1380 kg (3042 lb)
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8u201d)
Blade Up - Side 1150 kg (2535 lb)
Dimensions - Long Stick
Boom Swing - Right 785 mm (31 in)
O/A Shipping Length 5460 mm (215 in)
Undercarriage
Track Roller Type Center Flange
Dimensions - Long Stick
Vertical Wall 2730 mm (107 in)
O/A Shipping Height 2550 mm (100 in)
Weights*
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Specifications
Counterweight 165.3 kg (364.4 lb)
Dimensions - Long Stick
Maximum Blade Depth 555 mm (22 in)
Dimensions - Standard Stick
Dig Depth 3470 mm (137 in)
Maximum Blade Depth 555 mm (22 in)
Track Belt/Shoe Width 400 mm (16 in)
O/A Undercarriage Length 2580 mm (102 in)
Maximum Blade Height 405 mm (16 in)
O/A Shipping Length 5330 mm (210 in)
Maximum Reach - Ground Level 5630 mm (222 in)
Operating Specifications
Stick Length - Standard 1420 mm (55 in)
Dimensions - Long Stick
Maximum Dump Clearance 4080 mm (161 in)
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9u201d)
Blade Up - Side 620 kg (1367 lb)
Dimensions - Long Stick
Maximum Reach - Ground Level 6020 mm (237 in)
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9u201d)
Blade Up - Front 820 kg (1808 lb)
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8u201d)
Blade Down - Side 1290 kg (2844 lb)
Weights*
Weight - Cab, Standard Stick 5380 kg (11863 lb)
Dimensions - Standard Stick
Boom Swing - Right 785 mm (31 in)
Dimensions - Long Stick
Maximum Blade Height 405 mm (16 in)
Tail Swing 1130 mm (44 in)
Swing Bearing - Height 615 mm (24 in)
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9u201d)
Blade Down - Side 690 kg (1521 lb)
Dimensions - Standard Stick
Maximum Dig Height 5330 mm (210 in)
Dimensions - Long Stick
Maximum Dig Height 5590 mm (220 in)
Boom Swing - Left 695 mm (27 in)
Dimensions - Standard Stick
Vertical Wall 2330 mm (92 in)
Certification - Cab and Canopy
Tip Over Protective Structure (TOPS) ISO 12117
Cab
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A) (81 dB(A))
Dimensions - Long Stick
Track Belt/Shoe Width 400 mm (16 in)
Travel System
Ground Pressure - Cab 31.9 kPa (4.6 psi)
Dimensions - Standard Stick
Tail Swing 1130 mm (44 in)
Weights*
Weight - Canopy, Long Stick 5259 kg (11596 lb)
Dimensions - Long Stick
Maximum Reach 6170 mm (243 in)
Dimensions - Standard Stick
Boom Height - Shipping Position 1740 mm (69 in)
Boom Swing - Left 695 mm (27 in)
O/A Track Width 1980 mm (78 in)
Maximum Dump Clearance 3820 mm (150 in)
Travel System
Gradeability - Maximum 30u00b0
Certification - Cab and Canopy
Top Guard ISO 10262 (Level I)
Dimensions - Long Stick
O/A Track Width 1980 mm (78 in)
Dimensions - Standard Stick
Swing Bearing - Height 615 mm (24 in)
Dimensions - Long Stick
Boom In Reach 2530 mm (100 in)
Dimensions - Standard Stick
Maximum Reach 5790 mm (228 in)
Engine
Gross Power - ISO 14396 34.1 kW (45.7 HP)
Cab
Note *European Union Directive u201c2000/14/ECu201d
Exterior Sound Power Level - ISO 6395:2008* 97 dB(A) (97 dB(A))
Dimensions - Long Stick
O/A Undercarriage Length 2580 mm (102 in)
Swing System
Note *Automatic swing brake, spring applied, hydraulic release.
Engine
Emissions Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Dimensions - Long Stick
Boom Height - Shipping Position 2150 mm (85 in)
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8u201d)
Blade Down - Front 2590 kg (5710 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.
Hydraulic System
Digging Force - Bucket 50.9 kN (11445 lb)
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS) ISO 12117-2
Hydraulic System
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Undercarriage
Number of Track Rollers 4

Standard Equipment

  • 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)
  • 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), 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
  • OTHER ATTACHMENTS
    • Counterweight, extra

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