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.
| Net Power | 69.5HP |
| Displacement | 203in³ |
| Note | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. |
| Bore | 3.7in |
| Gross Power - SAE J1995 | 74.3HP |
| Stroke | 4.7in |
| Engine Model - U.S. EPA Tier 4 Final/EU Stage V | Cat® C3.3B |
| Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC | 69.5HP |
| Operating Weight | 20385lb |
| 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. |
| Maximum Operating Weight with Standard Stick** | 20385lb |
| Minimum Operating Weight with Standard Stick* | 19084lb |
| Dig Depth | 150.2in |
| Tail Swing with Counterweight | 62.4in |
| Maximum Blade Height | 14.6in |
| Track Belt/Shoe Width | 17.7in |
| Maximum Dump Clearance | 135.8in |
| Vertical Wall | 99.2in |
| Boom in Reach | 122.8in |
| Ground Clearance | 13.8in |
| Swing Bearing Height | 29.8in |
| Boom Swing Right | 37in |
| Overall Track Width | 90.6in |
| Overall Shipping Length | 253.9in |
| Transport Height | 97.4in |
| Cab Height | 100in |
| Overall Undercarriage Length | 113.4in |
| Maximum Reach | 256.5in |
| Tail Swing without Counterweight | 57.1in |
| Maximum Reach at Ground Level | 248in |
| Stick Length | 71.7in |
| Maximum Blade Depth | 16in |
| Boom Swing Left | 24in |
| Maximum Dig Height | 205.5in |
| Height | 17in |
| Width - Wide | 96.5in |
| Width - Standard | 90.6in |
| Transport Height | 97.4in |
| Boom in Reach | 106.7in |
| Overall Undercarriage Length | 113.4in |
| Maximum Reach | 310.4in |
| Maximum Dump Clearance | 247.4in |
| Ground Clearance | 13.8in |
| Vertical Wall | 146.7in |
| Tail Swing with Counterweight | 62.4in |
| Tail Swing without Counterweight | 57.1in |
| Boom Swing Left | 24in |
| Maximum Blade Height | 14.6in |
| Cab Height | 100in |
| Maximum Dig Height | 322in |
| Boom Swing Right | 37in |
| Overall Track Width | 90.6in |
| Dig Depth | 136.2in |
| Overall Shipping Length | 253.9in |
| Stick Length | 71.7in |
| Track Belt/Shoe Width | 17.7in |
| Swing Bearing Height | 29.8in |
| Maximum Blade Depth | 16in |
| Maximum Reach at Ground Level | 303.7in |
| Recyclability | 96% |
| Maximum Traction Force - High Speed | 6250lbf |
| Travel Speed - Low | 1.9mile/h |
| Travel Speed - High | 3.2mile/h |
| Gradeability - Maximum | 30 degrees |
| Maximum Traction Force - Low Speed | 15175lbf |
| Ground Pressure - Maximum Weight | 5.9psi |
| Ground Pressure - Minimum Weight | 5.5psi |
| Engine Oil | 3gal (US) |
| Cooling System | 2.6gal (US) |
| Hydraulic System | 29gal (US) |
| Hydraulic Tank | 14gal (US) |
| Fuel Tank | 39gal (US) |
| Digging Force - Bucket | 13946lbf |
| Operating Pressure - Equipment | 4134psi |
| Pump Flow at 2,400 rpm | 44gal/min |
| Operating Pressure - Travel | 4134psi |
| Digging Force - Stick - Standard | 9509lbf |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Operating Pressure - Swing | 3626psi |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134psi |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134psi |
| Maximum Auxiliary Circuit - Primary - Flow at Pump | 35gal/min |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9gal/min |
| Machine Swing Speed | 10.6r/min |
| Boom Swing - Right | 50 degrees |
| Boom Swing - Left | 60 degrees |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
| Top Guard | ISO 10262:1998 (Level II) |
| Note | European Union Directive "2000/14/EC" |
| Operator Sound Pressure (ISO 6396:2008) | 72dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 99dB(A) |
| 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. |
| Counterweight | 552lb |
| Steel Tracks with Pads | 752lb |
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308 CR VAB Mini Hydraulic Excavator