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

    Engine Model Cat C2.4 Turbo
    Net Power 54.8 HP
    Displacement 148 in³
    Gross Power - SAE J1995 57.9 HP
    Bore 3.4 in
    Stroke 4 in
    Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 54.8 HP

    Weights

    Operating Weight 17905 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** 17905 lb
    Minimum Operating Weight with Cab* 16549 lb
    Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

    Weight Increase from Minimum Configuration

    Long Stick 181 lb
    Counterweight 552 lb
    Steel Tracks with Pads 628 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 5.5 psi
    Travel Speed - Low 1.9 mile/h
    Gradeability - Maximum 30 degrees
    Ground Pressure - Minimum Weight 5.1 psi

    Service Refill Capacities

    Cooling System 2.6 gal (US)
    Hydraulic System 29 gal (US)
    Hydraulic Tank 14 gal (US)
    Fuel Tank 38 gal (US)
    Engine Oil 2.5 gal (US)

    Hydraulic System

    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.
    Pump Flow at 2,400 rpm 44 gal/min
    Digging Force - Stick - Standard 8504 lb
    Operating Pressure - Travel 4134 psi
    Operating Pressure - Equipment 4134 psi
    Digging Force - Stick - Long 7579 lb
    Digging Force - Bucket 12272 lb
    Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min
    Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
    Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min
    Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi

    Swing System

    Machine Swing Speed 10 r/min

    Blade

    Height 17 in
    Width 90 in

    Certification - Cab

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

    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”

    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 .90 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.

    Dimensions - Standard Stick

    Tail Swing with Counterweight 76 in
    Vertical Wall 141.6 in
    Tail Swing without Counterweight 70.9 in
    Stick Length 65.6 in
    Boom In Reach 66.2 in
    Track Belt/Shoe Width 17.7 in
    Ground Clearance 14.6 in
    O/A Track Width 86.6 in
    Maximum Reach - Ground Level 242.1 in
    O/A Undercarriage Length 108.7 in
    Width over Upper House 88.6 in
    Maximum Reach 247.9 in
    Swing Bearing - Height 29.7 in
    Maximum Blade Height 14.6 in
    Maximum Blade Depth 16 in
    Dig Depth 161.4 in
    Maximum Dump Clearance 208.6 in
    Cab Height 100 in
    Maximum Dig Height 289.3 in
    Height - Boom Working - With Tools 107.5 in
    Overall Shipping Length - with Counterweight 245.3 in
    Note (2) Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
    Overall Shipping Length - without Counterweight 240.2 in
    Height - Boom Transport - No Tools 101.2 in
    Note (1) Boom Height when stick is pinned in transport position with no attachments.

    Dimensions - Long Stick

    Cab Height 100 in
    Maximum Blade Height 14.6 in
    Track Belt/Shoe Width 17.7 in
    Maximum Dump Clearance 225.1 in
    O/A Undercarriage Length 108.7 in
    O/A Track Width 86.6 in
    Dig Depth 182.8 in
    Vertical Wall 161.9 in
    Width over Upper House 88.6 in
    Boom In Reach 88.6 in
    Stick Length 86.9 in
    Tail Swing with Counterweight 76 in
    Maximum Reach 267.9 in
    Ground Clearance 14.6 in
    Swing Bearing - Height 29.7 in
    Tail Swing without Counterweight 70.9 in
    Maximum Dig Height 305.7 in
    Maximum Blade Depth 16 in
    Maximum Reach - Ground Level 262.6 in
    Height - Boom Transport - No Tools 100.4 in
    Overall Shipping Length - without Counterweight 240.9 in
    Overall Shipping Length - with Counterweight 246.1 in
    Note (1) Boom Height when stick is pinned in transport position with no attachments.
    Height - Boom Working - With Tools 124 in
    Note (2) Boom Height when stick is pinned in working position with attachments.