308 CR VAB Mini Hydraulic Excavator
The Cat® 308 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.
Operating Weight | 9245 kg |
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Maximum Operating Weight with Standard Stick** | 9245 kg |
Minimum Operating Weight with Standard Stick* | 8655 kg |
Note (1) | *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, blade, and no bucket. |
Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, blade, and no bucket. |
Dig Depth | 3815 mm |
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Boom in Reach | 3120 mm |
Boom Swing Left | 605 mm |
Boom Swing Right | 935 mm |
Cab Height | 2541 mm |
Ground Clearance | 350 mm |
Maximum Blade Depth | 407 mm |
Maximum Blade Height | 370 mm |
Maximum Dig Height | 5220 mm |
Maximum Dump Clearance | 3450 mm |
Maximum Reach | 6515 mm |
Maximum Reach at Ground Level | 6300 mm |
Overall Shipping Length | 6450 mm |
Overall Track Width | 2300 mm |
Overall Undercarriage Length | 2880 mm |
Stick Length | 1820 mm |
Swing Bearing Height | 756 mm |
Tail Swing with Counterweight | 1585 mm |
Tail Swing without Counterweight | 1450 mm |
Track Belt/Shoe Width | 450 mm |
Transport Height | 2475 mm |
Vertical Wall | 2520 mm |
Net Power | 51.8 kW |
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Bore | 94 mm |
Stroke | 120 mm |
Displacement | 3.33 l |
Engine Model - U.S. EPA Tier 4 Final/EU Stage V | Cat® C3.3B |
Gross Power - SAE J1995 | 55.4 kW |
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC | 51.8 kW |
Note | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. |
Height | 431 mm |
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Width - Standard | 2300 mm |
Width - Wide | 2450 mm |
Fuel Tank | 147 l |
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Cooling System | 10 l |
Engine Oil | 11.2 l |
Hydraulic System | 110 l |
Hydraulic Tank | 53 l |
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 1.430 metric tonnes. |
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Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
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Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Top Guard | ISO 10262:1998 (Level II) |
Boom in Reach | 2710 mm |
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Boom Swing Left | 605 mm |
Boom Swing Right | 935 mm |
Cab Height | 2541 mm |
Dig Depth | 3460 mm |
Ground Clearance | 350 mm |
Maximum Blade Depth | 407 mm |
Maximum Blade Height | 370 mm |
Maximum Dig Height | 8180 mm |
Maximum Dump Clearance | 6285 mm |
Maximum Reach | 7885 mm |
Maximum Reach at Ground Level | 7715 mm |
Overall Shipping Length | 6450 mm |
Overall Track Width | 2300 mm |
Overall Undercarriage Length | 2880 mm |
Stick Length | 1820 mm |
Swing Bearing Height | 756 mm |
Tail Swing with Counterweight | 1585 mm |
Tail Swing without Counterweight | 1450 mm |
Track Belt/Shoe Width | 450 mm |
Transport Height | 2475 mm |
Vertical Wall | 3725 mm |
Digging Force - Bucket | 62 kN |
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Digging Force - Stick - Standard | 42.3 kN |
Maximum Auxiliary Circuit - Primary - Flow at Pump | 131 l/min |
Maximum Auxiliary Circuit - Primary - Pressure at Pump | 285 bar |
Maximum Auxiliary Circuit - Secondary - Flow at Pump | 33 l/min |
Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 285 bar |
Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
Operating Pressure - Equipment | 285 bar |
Operating Pressure - Swing | 250 bar |
Operating Pressure - Travel | 285 bar |
Pump Flow at 2,400 rpm | 167 l/min |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) |
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Note | European Union Directive "2000/14/EC" |
Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
Boom Swing - Left | 60 degrees |
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Boom Swing - Right | 50 degrees |
Machine Swing Speed | 10.6 r/min |
Gradeability - Maximum | 30 degrees |
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Ground Pressure - Maximum Weight | 40.6 kPa |
Ground Pressure - Minimum Weight | 37.9 kPa |
Maximum Traction Force - High Speed | 27.8 kN |
Maximum Traction Force - Low Speed | 67.5 kN |
Travel Speed - High | 5.1 km/h |
Travel Speed - Low | 3.1 km/h |
Counterweight | 250 kg |
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Steel Tracks with Pads | 341 kg |
Recyclability | 96% |
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