New CAT Equipment
306 CR Mini Hydraulic Excavator
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Product Specs
Engine
| Net Power | 55.9 HP |
| Gross Power - ISO 14396 | 57.9 HP |
| Displacement | 148 in³ |
| Bore | 3.4 in |
| Stroke | 4 in |
| Engine Model | Cat C2.4 Turbo |
| Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 55.9 HP |
Weights
| Operating Weight | 15766 lb |
| Minimum Operating Weight with Canopy* | 14134 lb |
| Maximum Operating Weight with Canopy** | 15633 lb |
| Note (2) | **Maximum Weight is based on steel tracks with pads, extra counterweight, operator, full fuel tank, long stick, fixed blade and no bucket. |
| Maximum Operating Weight with Cab** | 15766 lb |
| Minimum Operating Weight with Cab* | 14266 lb |
| Note (1) | *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, fixed blade and no bucket. |
Weight Increase from Minimum Configuration
| Counterweight | 551 lb |
| Long Stick | 97 lb |
| Steel Tracks with Pads | 827 lb |
| Angle Blade | 225 lb |
| XTC Carriage (no tool) | 141 lb |
Travel System
| Ground Pressure - Minimum Weight | 5.1 psi |
| Ground Pressure - Maximum Weight | 5.7 psi |
| Gradeability - Maximum | 30 degrees |
| 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 |
Service Refill Capacities
| 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) |
Hydraulic System
| Operating Pressure - Travel | 3553 psi |
| Auxiliary Circuit - Primary - Flow | 24 gal/min |
| Digging Force - Bucket | 11578 lbf |
| Auxiliary Circuit - Primary - Pressure | 3553 psi |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Auxiliary Circuit - Secondary - Flow | 9 gal/min |
| 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 gal/min |
Swing System
| Boom Swing - Right | 65 degrees |
| Boom Swing - Left | 60 degrees |
| Machine Swing Speed | 11 r/min |
Blade
| Straight Blade Width | 78 in |
| Angle Blade Width | 78 in |
| Straight Blade Height | 15.4 in |
| Angle Blade Height | 15.7 in |
Certification - Cab
| Top Guard | ISO 10262:1998 (Level II) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Sound
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) |
| Note | European Union Directive “2000/14/EC” |
Dimensions - Standard Stick
| 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 |
Dimensions - Long Stick
| 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 System
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1287). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes. |
Sustainability
| Recyclability | 96% |