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305 CR - Tier 4 / Stage V

305 CR - Tier 4 / Stage V
Caterpillar
The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

Brochures and Spec Sheets

Gallery

Specifications

Specification Value Unit
Net Power 45 hp
Engine Model
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 45 hp
Gross Power - 2,400 rpm - SAE J1995:2014 48.4 hp
Bore 3.3 in
Stroke 3.9 in
Displacement 101 in³
Emissions
Note
Note (2)
Operating Weight 12688 lb
Minimum Operating Weight with Canopy* 11016 lb
Maximum Operating Weight with Canopy** 12469 lb
Minimum Operating Weight with Cab* 11234 lb
Maximum Operating Weight with Cab** 12688 lb
Note (1)
Note (2)
Counterweight 534 lb
Long Stick 75 lb
Steel Tracks with Pads 827 lb
Angle Blade 225 lb
Travel Speed - High 3.1 mile/h
Travel Speed - Low 1.7 mile/h
Maximum Traction Force - High Speed 5553 lbf
Maximum Traction Force - Low Speed 11353 lbf
Ground Pressure - Minimum Weight 4 psi
Ground Pressure - Maximum Weight 4.7 psi
Gradeability - Maximum
Cooling System 2.9 gal (US)
Engine Oil 1.6 gal (US)
Fuel Tank 17 gal (US)
Hydraulic Tank 16 gal (US)
Hydraulic System 20 gal (US)
Pump Flow at 2,400 rpm 35 gpm
Operating Pressure - Equipment 3843 psi
Operating Pressure - Travel 3843 psi
Operating Pressure - Swing 2901 psi
Auxiliary Circuit - Primary - Flow 21 gpm
Auxiliary Circuit - Primary - Pressure 3843 psi
Auxiliary Circuit - Secondary - Flow 7 gpm
Auxiliary Circuit - Secondary - Pressure 3843 psi
Digging Force - Stick - Standard 6362 lbf
Digging Force - Stick - Long 5665 lbf
Digging Force - Bucket 11061 lbf
Note
Type
Machine Swing Speed 9 r/min
Boom Swing - Left
Boom Swing - Right
Straight Blade Width 78 in
Straight Blade Height 15.4 in
Angle Blade Width 78 in
Angle Blade Height 15.7 in
Angle Blade - Left
Angle Blade - Right
Roll Over Protective Structure (ROPS)
Top Guard
Dig Depth 134.6 in
Vertical Wall 91.9 in
Maximum Reach - Ground Level 220.1 in
Maximum Reach 226.6 in
Maximum Dig Height 205.3 in
Maximum Dump Clearance 145.7 in
Boom In Reach 101.2 in
Tail Swing without Counterweight 43.1 in
Tail Swing with Counterweight 47.2 in
Maximum Blade Height 15.2 in
Maximum Blade Depth 23.4 in
Boom Height - Shipping Position 71.7 in
O/A Shipping Height 100.4 in
Swing Bearing - Height 24.4 in
O/A Undercarriage Length 101.6 in
Overall Shipping Length* 208.9 in
Boom Swing - Right 34.1 °
Boom Swing - Left 24.2 °
Track Belt/Shoe Width 15.7 in
Track Width 78 in
Ground Clearance 13.2 in
Stick Length 53.2 in
Note
Dig Depth 144.5 in
Vertical Wall 100.8 in
Maximum Reach - Ground Level 229.7 in
Maximum Reach 235.8 in
Maximum Dig Height 210.8 in
Maximum Dump Clearance 151.4 in
Boom In Reach 101.6 in
Tail Swing without Counterweight 43.1 in
Tail Swing with Counterweight 47.2 in
Maximum Blade Height 15.2 in
Maximum Blade Depth 23.4 in
Boom Height - Shipping Position 74.6 in
O/A Shipping Height 100.4 in
Swing Bearing - Height 24.4 in
O/A Undercarriage Length 101.6 in
Overall Shipping Length* 210.2 in
Boom Swing - Right 34.1 °
Boom Swing - Left 615 mm
Track Belt/Shoe Width 15.7 in
Track Width 78 in
Ground Clearance 13.2 in
Stick Length 63 in
Note
Air Conditioning
Operator Sound Pressure (ISO 6396:2008) 76 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 97 dB(A)
Note
Recyclability

Standard Equipment

  • ENGINE
  • HYDRAULICS
  • GUARDING
  • OTHER
  • OPERATOR ENVIRONMENT
  • UNDERCARRIAGE
  • BOOM, STICK AND LINKAGES
  • ELECTRICAL

Optional Equipment

  • UNDERCARRIAGE
  • BOOM, STICK AND LINKAGES
  • ELECTRICAL
  • OTHER
  • OPERATOR ENVIRONMENT
  • GUARDING