308 CR VAB Mini Hydraulic Excavator

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Description
Technical Specifications
Benefits and Features
Equipment

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.

Engine
Net Power 69.5 HP
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Gross Power - SAE J1995 74.3 HP
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
Bore 3.7 in
Displacement 203 in³
Stroke 4.7 in
Weights
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
Dimensions - VAB In
Dig Depth 150.2 in
Boom Swing Left 24 in
Boom Swing Right 37 in
Boom in Reach 122.8 in
Cab Height 100 in
Ground Clearance 13.8 in
Maximum Blade Depth 16 in
Maximum Blade Height 14.6 in
Maximum Dig Height 205.5 in
Maximum Dump Clearance 135.8 in
Maximum Reach 256.5 in
Maximum Reach at Ground Level 248 in
Overall Shipping Length 253.9 in
Overall Track Width 90.6 in
Overall Undercarriage Length 113.4 in
Stick Length 71.7 in
Swing Bearing Height 29.8 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Track Belt/Shoe Width 17.7 in
Transport Height 97.4 in
Vertical Wall 99.2 in
Blade
Height 17 in
Width - Standard 90.6 in
Width - Wide 96.5 in
Weight Increase from Minimum Configuration
Note *Short stick weight exceeds standard stick weight due to its heavy duty design.
Short Stick* 77 lb
Counterweight 552 lb
Steel Tracks with Pads 752 lb
Hydraulic System
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
Digging Force - Bucket 13946 lbf
Digging Force - Stick - Standard 9509 lbf
Operating Pressure - Equipment 4134 psi
Operating Pressure - Swing 3626 psi
Operating Pressure - Travel 4134 psi
Pump Flow at 2,400 rpm 44 gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Swing System
Boom Swing - Right 50 degrees
Boom Swing - Left 60 degrees
Machine Swing Speed 10.6 r/min
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Top Guard ISO 10262:1998 (Level II)
Dimensions - Short Stick - VAB In
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
Dimensions - Short Stick - VAB Out
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
Air Conditioning System
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.
Dimensions - VAB Out
Boom Swing Left 24 in
Boom Swing Right 37 in
Boom in Reach 106.7 in
Cab Height 100 in
Dig Depth 136.2 in
Ground Clearance 13.8 in
Maximum Blade Depth 16 in
Maximum Blade Height 14.6 in
Maximum Dig Height 322 in
Maximum Dump Clearance 247.4 in
Maximum Reach 310.4 in
Maximum Reach at Ground Level 303.7 in
Overall Shipping Length 253.9 in
Overall Track Width 90.6 in
Overall Undercarriage Length 113.4 in
Stick Length 71.7 in
Swing Bearing Height 29.8 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Track Belt/Shoe Width 17.7 in
Transport Height 97.4 in
Vertical Wall 146.7 in
Service Refill Capacities
Cooling System 2.6 gal (US)
Engine Oil 3 gal (US)
Fuel Tank 39 gal (US)
Hydraulic System 29 gal (US)
Hydraulic Tank 14 gal (US)
Sound
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Note European Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Travel System
Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 5.9 psi
Maximum Traction Force - High Speed 6250 lbf
Maximum Traction Force - Low Speed 15175 lbf
Travel Speed - High 3.2 mile/h
Travel Speed - Low 1.9 mile/h
Ground Pressure - Minimum Weight 5.5 psi

ALL DAY COMFORT

  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.

EASY TO OPERATE

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

STICK STEER TRAVEL MODE

  • Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

BIG PERFORMANCE IN A MINI DESIGN

  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently, and dig-to-blade allows for easy clean up.

SAFETY ON THE JOB SITE

  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we‚Äôve built into the machine.

SIMPLE SERVICE FOR LESS DOWNTIME

  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.

LOWER OPERATING COSTS

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.

UNMATCHED DEALER SUPPORT

  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

Standard Equipment:

  • 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

Optional Equipment:

  • 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