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.

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
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
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
Counterweight
552lb
Steel Tracks with Pads
752lb
Maximum Traction Force – High Speed
6250lbf
Travel Speed – Low
1.9mile/h
Ground Pressure – Maximum Weight
5.9psi
Travel Speed – High
3.2mile/h
Gradeability – Maximum
30 degrees
Ground Pressure – Minimum Weight
5.5psi
Maximum Traction Force – Low Speed
15175lbf
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)
Operator Sound Pressure (ISO 6396:2008)
72dB(A)
Note
European Union Directive “2000/14/EC”
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.
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
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
Recyclability
96%
  • Engine
    • Cat C3.3 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Swing Brake
    • Automatic Two Speed Travel
    • Fuel Water Separator with Indicator
    • Radial Seal – Double Element Air Filter
    • Extended Life Coolant, –37° C ( –35° F)
    • Ecology Drain
  • Hydraulics
    • Smart Tech Electronic Pump
    • Electronic Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Power On Demand
    • Hydraulic Temperature Monitoring
    • Certified Accumulator
    • HYDO Advanced Hydraulic Oil
  • Operator Environment
    • Top Guard ISO 10262 1998 Level I
    • ROPS ISO 12117-2:2008
    • Sealed and Pressurized Cab
    • Stick Steer Mode
    • Travel Cruise Control
    • Control Pattern Changer
    • Adjustable Wrist Rests
    • Molded Footrests
    • Removable, Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Cat Key with Passcode Option
    • HVAC with Automatic Temperature Control
    • Hydraulic Lockout Controls
    • Integrated Lower Front Window
    • Assisted Front Window Overhead Storage
    • Rear Window Emergency Exit
    • Fabric, High Back, Suspension Seat
    • Retractable Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • LED Interior Light
    • Literature Holder
    • Mounting Bosses for Top and Front Guards
    • 12V Power Socket
    • Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
    • Skylight
    • Signaling/Warning Horn
    • Cab and (left side) Boom Work Lights
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – Jog Dial Interface
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Camera Ready (IP68 & IP69K)
      – Hour Meter with Wake Up Switch
  • Undercarriage
    • Greased and Lubricated Track
    • Hydraulic Track Adjusters
    • Tie Down Eyes on Track Frame
    • Dozer Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
  • Boom, Stick And Linkages
    • Variable Angle Boom
    • Standard Stick (1820 mm/71.7 in)
    • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
    • Thumb Ready (not available in all regions)
  • Electrical
    • 12 Volt Electrical System
    • 60 Ampere Alternator
    • Circuit Breaker
    • 900 CCA Maintenance Free Battery
    • Battery Disconnect
    • Ignition Key Stop Switch
  • Other
    • Locks on External Enclosure Doors
    • Lockable Fuel Cap
    • Beacon Socket
    • Rear Reflectors
  • Operator Environment
    • Push to Start with Bluetooth® Key
    • Air Suspension Heated Seat
    • Rain Visor
    • Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable (IP68 & IP69K)
      – Numeric Security Code
  • Undercarriage
    • Wide Dozer Blade
    • Steel Tracks (450 mm/17.7 in wide)
    • Wide Steel Tracks (600 mm/23.6 in)
    • Steel Track with Rubber Pads
    • Track Guides
  • Boom, Stick And Linkages
    • Attachments including Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Certified Lifting Eye
  • Electrical
    • Product Link Elite (regulations apply)
    • Travel Alarm
    • Rearview Camera
    • Rotating Beacon
  • Guarding
    • Mesh Front Guard ISO 10262 1998 Level I
    • Heavy Duty Front Guard ISO 10262 1998 Level II
    • Overhead Cab Guard ISO 10262 1998 Level II
    • Polycarbonate Front Window EN356 P5A
    • Track Guards
  • Other
    • Additional Counterweight
    • Water Jacket Heater
    • Refueling Pump

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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