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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.

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Net Power 69.5 HP
Displacement 203 in³
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Bore 3.7 in
Gross Power - SAE J1995 74.3 HP
Stroke 4.7 in
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69.5 HP
Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat® C3.3B
Operating Weight 20385 lb
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.
Minimum Operating Weight with Short Stick* 19161 lb
Maximum Operating Weight with Standard Stick** 20385 lb
Minimum Operating Weight with Standard Stick* 19084 lb
Maximum Operating Weight with Short Stick** 20462 lb
Counterweight 552 lb
Steel Tracks with Pads 752 lb
Note *Short stick weight exceeds standard stick weight due to its heavy duty design.
Short Stick* 77 lb
Maximum Traction Force - High Speed 6250 lbf
Travel Speed - Low 1.9 mile/h
Ground Pressure - Maximum Weight 5.9 psi
Travel Speed - High 3.2 mile/h
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 5.5 psi
Maximum Traction Force - Low Speed 15175 lbf
Engine Oil 3 gal (US)
Cooling System 2.6 gal (US)
Hydraulic System 29 gal (US)
Hydraulic Tank 14 gal (US)
Fuel Tank 39 gal (US)
Digging Force - Bucket 13946 lbf
Operating Pressure - Equipment 4134 psi
Pump Flow at 2,400 rpm 44 gal/min
Operating Pressure - Travel 4134 psi
Digging Force - Stick - Standard 9509 lbf
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626 psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min
Digging Force - Stick (Short) 9217 lbf
Machine Swing Speed 10.6 r/min
Boom Swing - Right 50 degrees
Boom Swing - Left 60 degrees
Height 17 in
Width - Wide 96.5 in
Width - Standard 90.6 in
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) 72 dB(A)
Note European Union Directive "2000/14/EC"
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(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.
Maximum Dig Height 208.7 in
Boom Swing Left 24 in
Maximum Blade Height 14.6 in
Maximum Dump Clearance 138.2 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Maximum Reach at Ground Level 244.5 in
Transport Height 91.7 in
Boom Swing Right 37 in
Stick Length 65.6 in
Overall Track Width 90.6 in
Vertical Wall 95.9 in
Overall Shipping Length 253.5 in
Dig Depth 145.7 in
Ground Clearance 13.8 in
Overall Undercarriage Length 113.4 in
Swing Bearing Height 29.8 in
Maximum Reach 253.1 in
Boom in Reach 122.4 in
Maximum Blade Depth 16 in
Cab Height 100 in
Track Belt/Shoe Width 17.7 in
Maximum Reach 305.1 in
Swing Bearing Height 29.8 in
Maximum Dig Height 316.7 in
Maximum Reach at Ground Level 298.2 in
Maximum Blade Depth 16 in
Overall Shipping Length 253.5 in
Boom in Reach 96.9 in
Vertical Wall 138.2 in
Maximum Dump Clearance 242.5 in
Overall Track Width 90.6 in
Tail Swing without Counterweight 57.1 in
Boom Swing Right 37 in
Cab Height 100 in
Overall Undercarriage Length 113.4 in
Ground Clearance 13.8 in
Track Belt/Shoe Width 17.7 in
Stick Length 65.6 in
Transport Height 91.7 in
Boom Swing Left 24 in
Tail Swing with Counterweight 62.4 in
Maximum Blade Height 14.6 in
Dig Depth 130.1 in
Dig Depth 150.2 in
Tail Swing with Counterweight 62.4 in
Maximum Blade Height 14.6 in
Track Belt/Shoe Width 17.7 in
Maximum Dump Clearance 135.8 in
Vertical Wall 99.2 in
Boom in Reach 122.8 in
Ground Clearance 13.8 in
Swing Bearing Height 29.8 in
Boom Swing Right 37 in
Overall Track Width 90.6 in
Overall Shipping Length 253.9 in
Transport Height 97.4 in
Cab Height 100 in
Overall Undercarriage Length 113.4 in
Maximum Reach 256.5 in
Tail Swing without Counterweight 57.1 in
Maximum Reach at Ground Level 248 in
Stick Length 71.7 in
Maximum Blade Depth 16 in
Boom Swing Left 24 in
Maximum Dig Height 205.5 in
Dig Depth 136.2 in
Overall Shipping Length 253.9 in
Stick Length 71.7 in
Track Belt/Shoe Width 17.7 in
Swing Bearing Height 29.8 in
Maximum Blade Depth 16 in
Maximum Reach at Ground Level 303.7 in
Transport Height 97.4 in
Boom in Reach 106.7 in
Overall Undercarriage Length 113.4 in
Maximum Reach 310.4 in
Maximum Dump Clearance 247.4 in
Ground Clearance 13.8 in
Vertical Wall 146.7 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Boom Swing Left 24 in
Maximum Blade Height 14.6 in
Cab Height 100 in
Maximum Dig Height 322 in
Boom Swing Right 37 in
Overall Track Width 90.6 in
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
  • Short Stick (1665 mm/65.6 in)
  • 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