306 CR

306 CR
Caterpillar
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The Cat® 306 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
The Cat® 306 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Brochures and Spec Sheets

Gallery

306 CR 306 CR 306 CR 306 CR

Specifications

Specification Value Unit
Net Power 55.9 hp
Gross Power - ISO 14396 57.9 hp
Displacement 148 in³
Bore 3.4 in
Stroke 4 in
Engine Model
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 55.9 hp
Operating Weight 15766 lb
Minimum Operating Weight with Canopy* 14134 lb
Maximum Operating Weight with Canopy** 15633 lb
Note (2)
Maximum Operating Weight with Cab** 15766 lb
Minimum Operating Weight with Cab* 14266 lb
Note (1)
Counterweight 551 lb
Long Stick 97 lb
Steel Tracks with Pads 827 lb
Angle Blade 225 lb
XTC Carriage (no tool) 141 lb
Ground Pressure - Minimum Weight 5.1 psi
Ground Pressure - Maximum Weight 5.7 psi
Gradeability - Maximum
Maximum Traction Force - High Speed 6969 lbf
Maximum Traction Force - Low Speed 12589 lbf
Travel Speed - High 3.1 mile/h
Travel Speed - Low 1.7 mile/h
Cooling System 2.6 gal (US)
Hydraulic System 27.5 gal (US)
Hydraulic Tank 14 gal (US)
Engine Oil 2.1 gal (US)
Fuel Tank 34.3 gal (US)
Operating Pressure - Travel 3553 psi
Auxiliary Circuit - Primary - Flow 24 gpm
Digging Force - Bucket 11578 lbf
Auxiliary Circuit - Primary - Pressure 3553 psi
Type
Auxiliary Circuit - Secondary - Flow 9 gpm
Operating Pressure - Equipment 3553 psi
Auxiliary Circuit - Secondary - Pressure 3553 psi
Digging Force - Stick - Standard 6632 lbf
Operating Pressure - Swing 3263 psi
Digging Force - Stick - Long 5957 lbf
Pump Flow at 2,400 rpm 40 gpm
Boom Swing - Right
Boom Swing - Left
Machine Swing Speed 11 r/min
Straight Blade Width 78 in
Angle Blade Width 78 in
Straight Blade Height 15.4 in
Angle Blade Height 15.7 in
Top Guard
Roll Over Protective Structure (ROPS)
Tip Over Protective Structure (TOPS)
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Note
Track Belt/Shoe Width 16 in
Maximum Reach 248 in
Stick Length 62 in
Vertical Wall 107 in
Swing Bearing - Height 27 in
Maximum Reach - Ground Level 241 in
Maximum Blade Height 16 in
Ground Clearance 12 in
Boom In Reach 98 in
Boom Swing - Right 36 in
Transport Height 69 in
Tail Swing with Counterweight 58 in
Cab Height 100 in
Width over Upper House 77 in
Maximum Dump Clearance 170 in
Tail Swing without Counterweight 53 in
Boom Swing - Left 29 in
O/A Undercarriage Length 102 in
Maximum Dig Height 230 in
Maximum Blade Depth 24 in
O/A Track Width 78 in
Dig Depth 146 in
O/A Shipping Length 235 in
Dig Depth 162 in
Maximum Blade Height 16 in
O/A Track Width 78 in
Track Belt/Shoe Width 16 in
Tail Swing with Counterweight 58 in
Vertical Wall 125 in
Boom In Reach 117 in
Maximum Blade Depth 24 in
Maximum Dig Height 241 in
Transport Height 95 in
Stick Length 78 in
Ground Clearance 12 in
Swing Bearing - Height 27 in
Width over Upper House 77 in
O/A Undercarriage Length 102 in
O/A Shipping Length 234 in
Cab Height 100 in
Maximum Reach 263 in
Boom Swing - Left 29 in
Tail Swing without Counterweight 53 in
Boom Swing - Right 36 in
Maximum Dump Clearance 182 in
Maximum Reach - Ground Level 257 in
Air Conditioning
Recyclability

Standard Equipment

  • OPERATOR ENVIRONMENT – CAB AND CANOPY
  • OPERATOR ENVIRONMENT – CAB ONLY
  • UNDERCARRIAGE
  • BOOM, STICK AND LINKAGES
  • ELECTRICAL
  • OTHER

Optional Equipment

  • OPERATOR ENVIRONMENT – CAB AND CANOPY
  • OPERATOR ENVIRONMENT – CAB ONLY
  • UNDERCARRIAGE
  • BOOM, STICK AND LINKAGES
  • ELECTRICAL
  • GUARDING
  • OTHER