New CAT Equipment

307.5 Mini Hydraulic Excavator

The Cat® 307.5 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

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    Product Specs

    Engine

    Net Power 55.9 HP
    Engine Model Cat C2.4 Turbo
    Displacement 148 in³
    Gross Power - ISO 14396 57.9 HP
    Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 55.9 HP
    Bore 3.4 in
    Stroke 4 in

    Weights

    Operating Weight 18152 lb
    Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
    Maximum Operating Weight with Cab** 18152 lb
    Minimum Operating Weight with Cab* 16605 lb
    Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

    Dimensions - Long Stick

    Dig Depth 183 in
    Cab Height 100 in
    Maximum Blade Height 14 in
    Track Belt/Shoe Width 18 in
    Maximum Dump Clearance 225 in
    O/A Undercarriage Length 109 in
    O/A Track Width 87 in
    Transport Height 105 in
    Vertical Wall 162 in
    Width over Upper House 89 in
    Boom In Reach 89 in
    Stick Length 87 in
    Tail Swing with Counterweight 79 in
    Maximum Reach 268 in
    Ground Clearance 15 in
    Swing Bearing - Height 30 in
    O/A Shipping Length 246 in
    Tail Swing without Counterweight 71 in
    Maximum Dig Height 305 in
    Maximum Blade Depth 16 in
    Maximum Reach - Ground Level 263 in

    Blade

    Height 17 in
    Width 90 in

    Hydraulic System

    Type Load Sensing Hydraulics with Variable Displacement Piston Pump
    Operating Pressure - Swing 3626 psi
    Auxiliary Circuit - Secondary - Pressure 4134 psi
    Pump Flow at 2,400 rpm 44 gal/min
    Digging Force - Stick - Standard 8504 lb
    Auxiliary Circuit - Primary - Pressure 4134 psi
    Operating Pressure - Travel 4134 psi
    Operating Pressure - Equipment 4134 psi
    Auxiliary Circuit - Primary - Flow 35 gal/min
    Auxiliary Circuit - Secondary - Flow 9 gal/min
    Digging Force - Stick - Long 7579 lb
    Digging Force - Bucket 12272 lb

    Travel System

    Maximum Traction Force - Low Speed 14035 lb
    Maximum Traction Force - High Speed 5856 lb
    Travel Speed - High 3.1 mile/h
    Ground Pressure - Maximum Weight 5 psi
    Travel Speed - Low 1.9 mile/h
    Gradeability - Maximum 30 degrees
    Ground Pressure - Minimum Weight 5 psi

    Dimensions - Standard Stick

    Tail Swing with Counterweight 79 in
    Vertical Wall 142 in
    Transport Height 101 in
    Tail Swing without Counterweight 71 in
    Stick Length 66 in
    Boom In Reach 66 in
    Track Belt/Shoe Width 18 in
    Ground Clearance 15 in
    O/A Track Width 87 in
    Maximum Reach - Ground Level 242 in
    O/A Undercarriage Length 109 in
    Width over Upper House 89 in
    Maximum Reach 248 in
    Swing Bearing - Height 30 in
    Maximum Blade Height 14 in
    Maximum Blade Depth 16 in
    Dig Depth 162 in
    O/A Shipping Length 242 in
    Maximum Dump Clearance 208 in
    Cab Height 100 in
    Maximum Dig Height 289 in

    Weight Increase from Minimum Configuration

    Long Stick 181 lb
    Counterweight 552 lb
    Steel Tracks with Pads 628 lb

    Service Refill Capacities

    Cooling System 2.6 gal (US)
    Hydraulic System 27 gal (US)
    Hydraulic Tank 14 gal (US)
    Fuel Tank 38 gal (US)
    Engine Oil 2.5 gal (US)

    Sound

    Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
    Average Exterior Sound Pressure (ISO 6395:2008) 98 dB(A)
    Note European Union Directive “2000/14/EC”

    Swing System

    Machine Swing Speed 10 r/min

    Certification - Cab

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