The Cat® 309 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 |
Bore | 3.7in |
Note | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. |
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC | 69.5hp |
Engine Model - U.S. EPA Tier 4 Final/EU Stage V | Cat C3.3B |
Gross Power - SAE J1995 | 74.3hp |
Displacement | 203in³ |
Stroke | 4.7in |
Operating Weight | 21477lb |
Note (1) | *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. |
Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket. |
Minimum Operating Weight* | 20121lb |
Maximum Operating Weight* | 21477lb |
Dig Depth | 150.2in |
Boom Swing Left | 24in |
Cab Height | 100in |
Maximum Blade Depth | 19.1in |
Maximum Blade Height | 16.1in |
Stick Length | 71.7in |
Maximum Reach | 256.5in |
Tail Swing without Counterweight | 57.1in |
Vertical Wall | 99.2in |
Swing Bearing Height | 29.8in |
Track Belt/Shoe Width | 17.7in |
Boom Swing Right | 37in |
Overall Track Width | 97.2in |
Overall Shipping Length | 255.7in |
Maximum Dump Clearance | 135.8in |
Boom in Reach | 122.8in |
Maximum Reach at Ground Level | 248in |
Transport Height | 97.4in |
Overall Undercarriage Length | 126in |
Ground Clearance | 14in |
Tail Swing with Counterweight | 62.4in |
Maximum Dig Height | 205.5in |
Height | 17in |
Width - Standard | 97.2in |
Width - Wide | 103.9in |
Maximum Blade Height | 16.1in |
Boom Swing Right | 37in |
Boom Swing Left | 24in |
Transport Height | 97.4in |
Dig Depth | 136.2in |
Ground Clearance | 14in |
Cab Height | 100in |
Boom in Reach | 106.7in |
Vertical Wall | 146.7in |
Swing Bearing Height | 29.8in |
Maximum Dump Clearance | 247.4in |
Overall Undercarriage Length | 126in |
Maximum Reach at Ground Level | 303.7in |
Tail Swing without Counterweight | 57.1in |
Maximum Reach | 310.4in |
Track Belt/Shoe Width | 17.7in |
Overall Shipping Length | 255.7in |
Maximum Blade Depth | 19.1in |
Maximum Dig Height | 322in |
Overall Track Width | 97.2in |
Tail Swing with Counterweight | 62.4in |
Stick Length | 71.7in |
Operating Pressure - Equipment | 4134psi |
Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9gal/min |
Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134psi |
Maximum Auxiliary Circuit - Primary - Flow at Pump | 35gal/min |
Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134psi |
Maximum Auxiliary Circuit - Primary (High Flow) - Pressure at Pump | 4134psi |
Maximum Auxiliary Circuit - Primary (High Flow) - Flow at Pump | 37gal/min |
Operating Pressure - Travel | 4134psi |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Digging Force - Stick - Standard | 9509lbf |
Digging Force - Bucket | 13946lbf |
Pump Flow at 2,400 rpm | 62gal/min |
Operating Pressure - Swing | 3626psi |
Gradeability - Maximum | 30 degrees |
Ground Pressure - Minimum Weight | 5.1psi |
Travel Speed - High | 3.1mile/h |
Maximum Traction Force - High Speed | 6497lbf |
Travel Speed - Low | 1.6mile/h |
Ground Pressure - Maximum Weight | 5.5psi |
Maximum Traction Force - Low Speed | 19064lbf |
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. |
Note | European Union Directive "2000/14/EC" |
Average Exterior Sound Pressure (ISO 6395:2008) | 99dB(A) |
Operator Sound Pressure (ISO 6396:2008) | 72dB(A) |
Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Top Guard | ISO 10262:1998 (Level II) |
Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
Standard Stick | 77lb |
Steel Tracks with Pads | 728lb |
Counterweight | 552lb |
Boom Swing - Left | 60 degrees |
Boom Swing - Right | 50 degrees |
Machine Swing Speed | 10.6r/min |
Fuel Tank | 39gal (US) |
Hydraulic System | 29gal (US) |
Engine Oil | 3gal (US) |
Cooling System | 2.6gal (US) |
Hydraulic Tank | 14gal (US) |
Recyclability | 96% |
Note | The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR VAB with a Standard Undercarriage, please refer to the 308 CR information. |
Engine |
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Hydraulics |
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Operator Environment |
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Undercarriage |
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Boom, Stick And Linkages |
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Electrical |
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Other |
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Operator Environment |
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Undercarriage |
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Boom, Stick And Linkages |
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Electrical |
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Guarding |
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Other |
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309 CR VAB Mini Hydraulic Excavator