New CAT Equipment

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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    Product Specs

    Engine

    Net Power 70.3 HP
    Engine Model Cat C3.3B
    Displacement 203 in³
    Bore 3.7 in
    Gross Power - ISO 14396 74.3 HP
    Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 71.5 HP
    Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 70.3 HP
    Stroke 4.7 in

    Weights

    Operating Weight 20906 lb
    Note *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.
    Maximum Operating Weight with Cab** 20678 lb
    Minimum Operating Weight with Cab* 17960 lb
    Maximum Operating Weight with Cab* 20906 lb
    Note (2) **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
    Tail Swing with Counterweight 64.8 in
    Maximum Blade Height 14.5 in
    Track Belt/Shoe Width 17.7 in
    Maximum Dump Clearance 143.7 in
    Vertical Wall 133.4 in
    Boom in Reach 112.3 in
    Ground Clearance 13.7 in
    Swing Bearing Height 28.9 in
    Boom Swing Right 38 in
    Overall Track Width 90.6 in
    Overall Shipping Length 235 in
    Transport Height 105.2 in
    Cab Height 99.2 in
    Overall Undercarriage Length 113.9 in
    Maximum Reach 260.3 in
    Tail Swing without Counterweight 57.1 in
    Maximum Reach at Ground Level 252 in
    Stick Length 71.8 in
    Maximum Blade Depth 16.1 in
    Boom Swing Left 20 in
    Maximum Dig Height 216.6 in

    Blade

    Height 17 in
    Width - Wide 96.5 in
    Width - Standard 90.6 in

    Dimensions - Long Stick

    Maximum Dig Height 277.1 in
    Maximum Reach 300.7 in
    Track Belt/Shoe Width 17.7 in
    Tail Swing without Counterweight 57.1 in
    Dig Depth 182.8 in
    Ground Clearance 13.7 in
    O/A Shipping Length 262 in
    Cab Height 99.2 in
    Vertical Wall 134.1 in
    Stick Length 92.8 in
    Maximum Blade Depth 16.1 in
    Maximum Reach - Ground Level 293.7 in
    O/A Track Width 90.6 in
    Transport Height 99.3 in
    Boom Swing - Left 20 in
    O/A Undercarriage Length 113.9 in
    Boom In Reach 126.6 in
    Tail Swing with Counterweight 64.8 in
    Boom Swing - Right 38 in
    Maximum Blade Height 14.5 in
    Swing Bearing - Height 28.9 in
    Maximum Dump Clearance 199.6 in

    Dimensions - VAB Out

    Dig Depth 136.3 in
    Overall Shipping Length 282.7 in
    Stick Length 71.8 in
    Track Belt/Shoe Width 17.7 in
    Swing Bearing Height 28.9 in
    Maximum Blade Depth 16.1 in
    Maximum Reach at Ground Level 305.1 in
    Transport Height 94.5 in
    Boom in Reach 117.9 in
    Overall Undercarriage Length 113.9 in
    Maximum Reach 311.8 in
    Maximum Dump Clearance 251.8 in
    Ground Clearance 13.7 in
    Vertical Wall 138.5 in
    Tail Swing with Counterweight 64.8 in
    Tail Swing without Counterweight 57.1 in
    Boom Swing Left 20 in
    Maximum Blade Height 14.5 in
    Cab Height 99.2 in
    Maximum Dig Height 321.9 in
    Boom Swing Right 38 in
    Overall Track Width 90.6 in

    Dimensions - Standard Stick

    Boom In Reach 120.4 in
    Tail Swing with Counterweight 64.8 in
    Maximum Reach - Ground Level 273.6 in
    Swing Bearing - Height 28.9 in
    Track Belt/Shoe Width 17.7 in
    Ground Clearance 13.7 in
    Maximum Dump Clearance 187.4 in
    Transport Height 97.9 in
    Boom Swing - Left 20 in
    Maximum Blade Depth 16.1 in
    Tail Swing without Counterweight 57.1 in
    Cab Height 99.2 in
    Maximum Blade Height 14.5 in
    Maximum Dig Height 265.2 in
    Maximum Reach 281.1 in
    O/A Track Width 90.6 in
    O/A Undercarriage Length 113.9 in
    Vertical Wall 117.8 in
    O/A Shipping Length 258.7 in
    Stick Length 71.8 in
    Boom Swing - Right 38 in
    Dig Depth 161.8 in

    Hydraulic System

    Auxiliary Circuit - Secondary - Pressure 4134 psi
    Auxiliary Circuit - Primary - Pressure 4134 psi
    Digging Force - Bucket 13946 lb
    Operating Pressure - Equipment 4134 psi
    Auxiliary Circuit - Primary - Flow 35 gal/min
    Pump Flow at 2,400 rpm 44 gal/min
    Operating Pressure - Travel 4134 psi
    Auxiliary Circuit - Secondary - Flow 9 gal/min
    Digging Force - Stick - Long 8032 lb
    Digging Force - Stick - Standard 9205 lb
    Type Load Sensing Hydraulics with Variable Displacement Piston Pump
    Operating Pressure - Swing 3626 psi

    Certification - Cab

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

    Travel System

    Maximum Traction Force - High Speed 6250 lb
    Travel Speed - Low 1.9 mile/h
    Ground Pressure - Maximum Weight 6 psi
    Travel Speed - High 3.2 mile/h
    Gradeability - Maximum 30 degrees
    Ground Pressure - Minimum Weight 5 psi
    Maximum Traction Force - Low Speed 15175 lb

    Sound

    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)

    Weight Increase from Minimum Configuration

    Counterweight 552 lb
    Steel Tracks with Pads 728 lb
    Long Stick 146 lb

    Service Refill Capacities

    Engine Oil 3 gal (US)
    Cooling System 2.6 gal (US)
    Hydraulic System 28 gal (US)
    Hydraulic Tank 14 gal (US)
    Fuel Tank 39 gal (US)

    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.

    Swing System

    Machine Swing Speed 10.6 r/min