Piscataway Campus
732-885-5555
Bensalem Campus
877-726-7663

Excavators

305.5E2 CR Mini Hydraulic Excavator

  • Engine Model
    Cat® C2.4
  • Net Power
    44.1 HP
  • Net Power
    44.1 hp
  • Engine Model
    Cat® C2.4
Engine
Engine Model
Cat® C2.4
Net Power
44.1 HP
Net Power
44.1 hp
Engine Model
Cat® C2.4
Rated Net Power
44.1 hp
Net Power
44.1 HP
Bore
3.4 in
Stroke
4 in
Displacement
146 in3
Bore
3.4 in
Displacement
146 in³
Stroke
4 in
Gross Power
45.7 hp
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power
45.7 HP
Weights*
Operating Weight
11958 lb
Weight
11503 lb
Weight
11503 lb
Weight
11596 lb
Weight
11863 lb
Weight
11958 lb
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight
11958 lb
Weight
11863 lb
Weight
11596 lb
Travel System
Travel Speed
2.8 mph
Travel Speed
1.7 mph
Maximum Traction Force
6025 lb
Maximum Traction Force
10746 lb
Travel Speed
2.8 mile/h
Travel Speed
1.7 mile/h
Ground Pressure
4.5 psi
Ground Pressure
4.6 psi
Gradeability
30°
Gradeability
30°
Ground Pressure
4.6 psi
Ground Pressure
4.5 psi
Hydraulic System
Pump Flow at 2
39.6 gal/min
Auxiliary Circuit
21.1 gal/min
Auxiliary Circuit
6.6 gal/min
Operating Pressure
3553 psi
Operating Pressure
3553 psi
Operating Pressure
3132 psi
Digging Force
6500 lb
Digging Force
5575 lb
Auxiliary Circuit
21.1 gal/min
Auxiliary Circuit
6.6 gal/min
Pump Flow at 2
39.6 gal/min
Maximum Auxiliary Circuit
3553 psi
Maximum Auxiliary Circuit
3553 psi
Maximum Auxiliary Circuit
6.6 gal/min
Maximum Auxiliary Circuit
21.1 gal/min
Digging Force
11445 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force
11445 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Swing System
Machine Swing Speed
10 rpm
Machine Swing Speed
10 r/min
Boom Swing
80°
Boom Swing
60°
Boom Swing
50°
Boom Swing
60°
Boom Swing
80°
Boom Swing
50°
Note
*Automatic swing brake, spring applied, hydraulic release.
Note
*Automatic swing brake, spring applied, hydraulic release.
Blade
Width
78.0 in
Width
78 in
Height
14.8 in
Dig Depth
21.9 in
Lift Height
15.9 in
Service Refill Capacities
Cooling System
2.8 gal
Engine Oil
2.5 gal
Hydraulic Tank
18 gal
Fuel Tank
16.6 gal
Hydraulic System
20.6 gal
Cooling System
2.8 gal (US)
Engine Oil
2.5 gal (US)
Fuel Tank
16.6 gal (US)
Hydraulic System
20.6 gal (US)
Hydraulic Tank
18 gal (US)
Dimensions - Long Stick
Dig Depth
152 in
Boom Height
85 in
Boom In Reach
100 in
Boom Swing
27 in
Boom Swing
31 in
Maximum Blade Depth
22 in
Maximum Blade Height
16 in
Maximum Dig Height
220 in
Maximum Dump Clearance
161 in
Maximum Reach
243 in
Maximum Reach
237 in
O
100 in
O
215 in
O
78 in
O
102 in
Swing Bearing
24 in
Tail Swing
44 in
Track Belt
16 in
Vertical Wall
107 in
Operating Specifications
Stick Length
55 in
Stick Length
70 in
Counterweight
364.4 lb
Counterweight
364.4 lb
Stick Length
70 in
Stick Length
55 in
Cab
Dynamic Operator Sound Pressure Level
81 dB(A)
Exterior Sound Power Level
97 dB(A)
Note
*European Union Directive “2000/14/EC”
Dynamic Operator Sound Pressure Level
81 dB(A)
Exterior Sound Power Level
97 dB(A)
Note
*European Union Directive “2000/14/EC”
Certification – Cab and Canopy
Roll Over Protective Structure
ISO 12117-2
Tip Over Protective Structure
ISO 12117
Top Guard
ISO 10262 (Level I)
Undercarriage
Number of Carrier Rollers
3
Number of Track Rollers
3
Track Roller Type
Triple Flange
Number of Carrier Rollers
1
Number of Track Rollers
4
Track Roller Type
Center Flange
Lift Capacities at Ground Level – Lift Point Radius: 3000 mm (9’8”)
Blade Down
5710 lb
Blade Up
3417 lb
Blade Down
2844 lb
Blade Up
2535 lb
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)
Blade Down
3042 lb
Blade Up
1808 lb
Blade Down
1521 lb
Blade Up
1367 lb
Dimensions – Standard Stick
Dig Depth
137 in
Vertical Wall
92 in
Maximum Reach at Ground Level
222 in
Maximum Reach
228 in
Maximum Dig Height
210 in
Maximum Dump Clearance
150 in
Boom In Reach
94 in
Tail Swing
44 in
Maximum Blade Height
16 in
Maximum Blade Depth
22 in
Boom Height in Shipping Position
69 in
O
100 in
Swing Bearing Height
24 in
O
102 in
O
210 in
Boom Swing Right
31 in
Boom Swing Left
27 in
Track Belt
16 in
O
78 in
Dimensions – Long Stick
Dig Depth
152 in
Vertical Wall
107 in
Maximum Reach at Ground Level
237 in
Maximum Reach
243 in
Maximum Dig Height
220 in
Maximum Dump Clearance
161 in
Boom In Reach
100 in
Tail Swing
44 in
Maximum Blade Height
16 in
Maximum Blade Depth
22 in
Boom Height in Shipping Position
85 in
O
100 in
Swing Bearing Height
24 in
O
102 in
O
215 in
Boom Swing Right
31 in
Boom Swing Left
27 in
Track Belt
16 in
O
78 in
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.
Certification - Cab and Canopy
Roll Over Protective Structure
ISO 12117-2
Tip Over Protective Structure
ISO 12117
Top Guard
ISO 10262 (Level I)
Dimensions - Standard Stick
Boom Height
69 in
Boom In Reach
94 in
Boom Swing
27 in
Boom Swing
31 in
Dig Depth
137 in
Maximum Blade Depth
22 in
Maximum Blade Height
16 in
Maximum Dig Height
210 in
Maximum Dump Clearance
150 in
Maximum Reach
228 in
Maximum Reach
222 in
O
100 in
O
210 in
O
78 in
O
102 in
Swing Bearing
24 in
Tail Swing
44 in
Track Belt
16 in
Vertical Wall
92 in
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)
Blade Down
5710 lb
Blade Down
2844 lb
Blade Up
3417 lb
Blade Up
2535 lb
  • 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
  • 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