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308 CR VAB

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Overview

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 70.3 HP 52.4 kW
  • Engine Model Cat C3.3B Cat C3.3B
  • Displacement 203.0 in³ 3.33 l
  • Bore 3.7 in 94.0 mm
  • Gross Power - ISO 14396 74.3 HP 55.4 kW
  • Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 71.5 HP 53.3 kW
  • Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 70.3 HP 52.4 kW
  • Stroke 4.7 in 120.0 mm

Weights

  • Operating Weight 20906.0 lb 9483.0 kg
  • Note *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket.
  • Note (1) *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
  • Maximum Operating Weight with Cab** 20678.0 lb 9380.0 kg
  • Minimum Operating Weight with Cab* 17960.0 lb 8146.0 kg
  • Maximum Operating Weight with Cab* 20906.0 lb 9483.0 kg
  • Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

Dimensions - VAB In

  • Dig Depth 154.5 in 3925.0 mm
  • Tail Swing with Counterweight 64.8 in 1645.0 mm
  • Maximum Blade Height 14.5 in 369.0 mm
  • Track Belt/Shoe Width 17.7 in 450.0 mm
  • Maximum Dump Clearance 143.7 in 3649.0 mm
  • Vertical Wall 133.4 in 3388.0 mm
  • Boom in Reach 112.3 in 2853.0 mm
  • Ground Clearance 13.7 in 349.0 mm
  • Swing Bearing Height 28.9 in 735.0 mm
  • Boom Swing Right 38.0 in 963.0 mm
  • Overall Track Width 90.6 in 2300.0 mm
  • Overall Shipping Length 235.0 in 5969.0 mm
  • Transport Height 105.2 in 2673.0 mm
  • Cab Height 99.2 in 2520.0 mm
  • Overall Undercarriage Length 113.9 in 2892.0 mm
  • Maximum Reach 260.3 in 6612.0 mm
  • Tail Swing without Counterweight 57.1 in 1450.0 mm
  • Maximum Reach at Ground Level 252.0 in 6402.0 mm
  • Stick Length 71.8 in 1823.0 mm
  • Maximum Blade Depth 16.1 in 408.0 mm
  • Boom Swing Left 20.0 in 503.0 mm
  • Maximum Dig Height 216.6 in 5500.0 mm

Blade

  • Height 17.0 in 431.0 mm
  • Width - Wide 96.5 in 2450.0 mm
  • Width - Standard 90.6 in 2300.0 mm

Dimensions - Long Stick

  • Maximum Dig Height 277.1 in 7038.0 mm
  • Maximum Reach 300.7 in 7637.0 mm
  • Track Belt/Shoe Width 17.7 in 450.0 mm
  • Tail Swing without Counterweight 57.1 in 1450.0 mm
  • Dig Depth 182.8 in 4644.0 mm
  • Ground Clearance 13.7 in 349.0 mm
  • O/A Shipping Length 262.0 in 6656.0 mm
  • Cab Height 99.2 in 2520.0 mm
  • Vertical Wall 134.1 in 3405.0 mm
  • Stick Length 92.8 in 2358.0 mm
  • Maximum Blade Depth 16.1 in 408.0 mm
  • Maximum Reach - Ground Level 293.7 in 7461.0 mm
  • O/A Track Width 90.6 in 2300.0 mm
  • Transport Height 99.3 in 2522.0 mm
  • Boom Swing - Left 20.0 in 503.0 mm
  • O/A Undercarriage Length 113.9 in 2892.0 mm
  • Boom In Reach 126.6 in 3215.0 mm
  • Tail Swing with Counterweight 64.8 in 1645.0 mm
  • Boom Swing - Right 38.0 in 963.0 mm
  • Maximum Blade Height 14.5 in 369.0 mm
  • Swing Bearing - Height 28.9 in 735.0 mm
  • Maximum Dump Clearance 199.6 in 5071.0 mm

Dimensions - VAB Out

  • Dig Depth 136.3 in 3462.0 mm
  • Overall Shipping Length 282.7 in 7180.0 mm
  • Stick Length 71.8 in 1823.0 mm
  • Track Belt/Shoe Width 17.7 in 450.0 mm
  • Swing Bearing Height 28.9 in 735.0 mm
  • Maximum Blade Depth 16.1 in 408.0 mm
  • Maximum Reach at Ground Level 305.1 in 7750.0 mm
  • Transport Height 94.5 in 2399.0 mm
  • Boom in Reach 117.9 in 2995.0 mm
  • Overall Undercarriage Length 113.9 in 2892.0 mm
  • Maximum Reach 311.8 in 7919.0 mm
  • Maximum Dump Clearance 251.8 in 6396.0 mm
  • Ground Clearance 13.7 in 349.0 mm
  • Vertical Wall 138.5 in 3518.0 mm
  • Tail Swing with Counterweight 64.8 in 1645.0 mm
  • Tail Swing without Counterweight 57.1 in 1450.0 mm
  • Boom Swing Left 20.0 in 503.0 mm
  • Maximum Blade Height 14.5 in 369.0 mm
  • Cab Height 99.2 in 2520.0 mm
  • Maximum Dig Height 321.9 in 8177.0 mm
  • Boom Swing Right 38.0 in 963.0 mm
  • Overall Track Width 90.6 in 2300.0 mm

Dimensions - Standard Stick

  • Boom In Reach 120.4 in 3059.0 mm
  • Tail Swing with Counterweight 64.8 in 1645.0 mm
  • Maximum Reach - Ground Level 273.6 in 6949.0 mm
  • Swing Bearing - Height 28.9 in 735.0 mm
  • Track Belt/Shoe Width 17.7 in 450.0 mm
  • Ground Clearance 13.7 in 349.0 mm
  • Maximum Dump Clearance 187.4 in 4759.0 mm
  • Transport Height 97.9 in 2487.0 mm
  • Boom Swing - Left 20.0 in 503.0 mm
  • Maximum Blade Depth 16.1 in 408.0 mm
  • Tail Swing without Counterweight 57.1 in 1450.0 mm
  • Cab Height 99.2 in 2520.0 mm
  • Maximum Blade Height 14.5 in 369.0 mm
  • Maximum Dig Height 265.2 in 6735.0 mm
  • Maximum Reach 281.1 in 7141.0 mm
  • O/A Track Width 90.6 in 2300.0 mm
  • O/A Undercarriage Length 113.9 in 2892.0 mm
  • Vertical Wall 117.8 in 2992.0 mm
  • O/A Shipping Length 258.7 in 6571.0 mm
  • Stick Length 71.8 in 1823.0 mm
  • Boom Swing - Right 38.0 in 963.0 mm
  • Dig Depth 161.8 in 4109.0 mm

Hydraulic System

  • Auxiliary Circuit - Secondary - Pressure 4134.0 psi 285.0 bar
  • Auxiliary Circuit - Primary - Pressure 4134.0 psi 285.0 bar
  • Digging Force - Bucket 13946.0 lb 62.0 kN
  • Operating Pressure - Equipment 4134.0 psi 285.0 bar
  • Auxiliary Circuit - Primary - Flow 35.0 gal/min 131.0 l/min
  • Pump Flow at 2,400 rpm 44.0 gal/min 167.0 l/min
  • Operating Pressure - Travel 4134.0 psi 285.0 bar
  • Auxiliary Circuit - Secondary - Flow 9.0 gal/min 33.0 l/min
  • Digging Force - Stick - Long 8032.0 lb 35.7 kN
  • Digging Force - Stick - Standard 9205.0 lb 40.9 kN
  • Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Operating Pressure - Swing 3626.0 psi 250.0 bar

Certification - Cab

  • Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997
  • Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008
  • Top Guard ISO 10262:1998 (Level II) ISO 10262:1998 (Level II)

Travel System

  • Maximum Traction Force - High Speed 6250.0 lb 27.8 kN
  • Travel Speed - Low 1.9 mile/h 3.1 km/h
  • Ground Pressure - Maximum Weight 6.0 psi 41.16 kPa
  • Travel Speed - High 3.2 mile/h 5.1 km/h
  • Gradeability - Maximum 30 degrees 30 degrees
  • Ground Pressure - Minimum Weight 5.0 psi 35.36 kPa
  • Maximum Traction Force - Low Speed 15175.0 lb 67.5 kN

Sound

  • Operator Sound Pressure (ISO 6396:2008) 72.0 dB(A) 72.0 dB(A)
  • Note European Union Directive “2000/14/EC” European Union Directive “2000/14/EC”
  • Average Exterior Sound Pressure (ISO 6395:2008) 99.0 dB(A) 99.0 dB(A)

Weight Increase from Minimum Configuration

  • Counterweight 552.0 lb 250.0 kg
  • Steel Tracks with Pads 728.0 lb 330.0 kg
  • Long Stick 146.0 lb 66.0 kg

Service Refill Capacities

  • Engine Oil 3.0 gal (US) 11.2 l
  • Cooling System 2.6 gal (US) 10.0 l
  • Hydraulic System 28.0 gal (US) 107.0 l
  • Hydraulic Tank 14.0 gal (US) 53.0 l
  • Fuel Tank 39.0 gal (US) 147.0 l

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. 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.

Swing System

  • Machine Swing Speed 10.6 r/min 10.6 r/min

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 helps 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’ve 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.

308 CR VAB Standard Equipment

ENGINE

  • Automatic Engine Shutdown
  • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
  • Fuel Water Separator with Indicator
  • Automatic Two Speed Travel
  • Automatic Swing Brake
  • Automatic Engine Idle
  • Ecology Drain
  • Radial Seal – Double Element Air Filter
  • Extended Life Coolant, –37° C (–35° F)

HYDRAULICS

  • Power On Demand
  • Certified Accumulator
  • Variable Displacement Piston Pump
  • Load Sensing/Flow Sharing Hydraulics
  • Hydro Advanced Hydraulic Oil
  • Hydraulic Temperature Monitoring
  • Smart Tech Electronic Pump

OPERATOR ENVIRONMENT

  • Rear Window Emergency Exit
  • Molded Footrests
  • Hydraulic Lockout Controls
  • LED Interior Light
  • Travel Cruise Control
  • 12V Power Socket
  • Removable, Washable Floor Mat
  • Assisted Front Window Overhead Storage
  • Operator Sound Pressure 72 dB(A) ISO 6396:2008
  • Top Guard – ISO 10262:1998 (Level II)
  • Integrated Lower Front Window
  • Sealed and Pressurized Cab
  • Cat Key with Passcode Option
  • Literature Holder
  • Mounting Bosses for Top and Front Guards
  • ROPS – ISO 12117-2:2008
  • HVAC with Automatic Temperature Control
  • Stick Steer Mode
  • Fabric, High Back, Suspension Seat
  • Color LCD Monitor
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Camera Ready
    – Hour Meter with Wake Up Switch
    – Jog Dial Control Interface
  • Radio – Bluetooth®, USB, Auxiliary, Microphone
  • Cup Holder
  • Retractable Seat Belt (75 mm/3 in)
  • Adjustable Wrist Rests
  • Skylight
  • TOPS – ISO 12117:1997
  • Travel Pedals and Hand Levers
  • Coat Hook
  • Control Pattern Changer

UNDERCARRIAGE

  • Dozer Blade
  • Greased and Lubricated Track
  • Hydraulic Track Adjusters
  • Tie Down Eyes on Track Frame
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
  • Rubber Tracks

BOOM, STICK AND LINKAGES

  • Variable Angle Boom
  • Standard Stick (1823 mm/71.8 in)
  • Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
  • Thumb Ready (not available in all regions)
  • Certified Lifting Eye (not available in all regions)

ELECTRICAL

  • 12 Volt Electrical System
  • 90 Ampere Alternator
  • 850 CCA Maintenance Free Battery
  • Circuit Breaker
  • Ignition Key Stop Switch
  • Signaling/Warning Horn
  • Product Link™ Elite Lite (regulations apply)

308 CR VAB Optional Equipment

OPERATOR ENVIRONMENT

  • Rain Visor
  • Air Suspension Heated Seat

ELECTRICAL

  • Rotating Beacon
  • Rearview Camera

OTHER

  • 2nd Auxiliary Hydraulic Lines
  • Wide Dozer Blade
  • Wide Steel Tracks (600 mm/23.6 in)
  • Steel Track with Rubber Pads
  • Attachments including Buckets, Augers and Hammers
  • Steel Tracks (450 mm/17.7 in wide)
  • Boom and Stick Hose Burst Check Valves
  • Bucket Linkage with Lift Eye
  • Track Guides
  • Water Jacket Heater
  • Refueling Pump
  • Cab Guarding
  • Travel Alarm (standard in some regions)

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