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309 CR VAB

309 CR VAB
Cat
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.
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.

Brochures and Spec Sheets

Gallery

Specifications

Specification Value Unit
Net Power 69 hp
Engine Model
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 69 hp
Gross Power - ISO 14396 74.3 hp
Bore 3.5 in
Stroke 4.3 in
Displacement 171 in³
Note
Note (1)
Note (2)
Operating Weight 22094 lb
Minimum Operating Weight with Standard Stick* 20264 lb
Maximum Operating Weight with Standard Stick** 22094 lb
Note (1)
Note (2)
Counterweight 552 lb
Counterweight (extra) 1103 lb
Standard Stick 77 lb
Steel Tracks with Pads 728 lb
Travel Speed - High 2.9 mile/h
Travel Speed - Low 1.6 mile/h
Maximum Traction Force - High Speed 7419 lbf
Maximum Traction Force - Low Speed 19064 lbf
Ground Pressure - Minimum Weight 5.2 psi
Ground Pressure - Maximum Weight 5.6 psi
Gradeability - Maximum
Height 17 in
Cooling System 2.6 gal (US)
Engine Oil 2.3 gal (US)
Fuel Tank 39 gal (US)
Hydraulic Tank 14 gal (US)
Hydraulic System 29 gal (US)
Type
Pump Flow at 2,400 rpm 62 gpm
Operating Pressure - Equipment 4134 psi
Operating Pressure - Travel 4134 psi
Operating Pressure - Swing 3626 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 37 gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gpm
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
Digging Force - Stick - Standard 9509 lbf
Digging Force - Bucket 13946 lbf
Note
Machine Swing Speed 10 r/min
Boom Swing - Left
Boom Swing - Right
Width - Standard 97.2 in
Width - Wide 103.9 in
Roll Over Protective Structure (ROPS)
Top Guard
Dig Depth 150.2 in
Vertical Wall 99.2 in
Maximum Reach at Ground Level 248 in
Maximum Reach 256.5 in
Maximum Dig Height 205.5 in
Maximum Dump Clearance 135.8 in
Boom in Reach 122.8 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Maximum Blade Height 16.1 in
Maximum Blade Depth 19.1 in
Cab Height 100 in
Swing Bearing Height 29.8 in
Overall Undercarriage Length 126 in
Overall Shipping Length 255.7 in
Boom Swing Right 37 in
Boom Swing Left 24 in
Track Belt/Shoe Width 17.7 in
Overall Track Width 97.2 in
Ground Clearance 14 in
Stick Length 71.7 in
Dig Depth 136.2 in
Vertical Wall 146.7 in
Maximum Reach at Ground Level 303.7 in
Maximum Reach 310.4 in
Maximum Dig Height 322 in
Maximum Dump Clearance 247.4 in
Boom in Reach 106.7 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Maximum Blade Height 16.1 in
Maximum Blade Depth 19.1 in
Cab Height 100 in
Swing Bearing Height 29.8 in
Overall Undercarriage Length 126 in
Overall Shipping Length 255.7 in
Boom Swing Right 37 in
Boom Swing Left 24 in
Track Belt/Shoe Width 17.7 in
Overall Track Width 97.2 in
Ground Clearance 14 in
Stick Length 71.7 in
Air Conditioning
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Note
Recyclability
Note

Standard Equipment

  • ENGINE
  • HYDRAULICS
  • OPERATOR ENVIRONMENT
  • UNDERCARRIAGE
  • BOOM, STICK AND LINKAGES
  • ELECTRICAL
  • GUARDING
  • OTHER

Optional Equipment

  • HYDRAULICS
  • OPERATOR ENVIRONMENT
  • TECHNOLOGY
  • UNDERCARRIAGE
  • BOOM, STICK AND LINKAGES
  • ELECTRICAL
  • GUARDING
  • OTHER