New CAT Equipment

307.5 Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

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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    Benefits

    4 Industry First Features

    Cat Exclusives in a Mini Excavator

    Up to 10% Lower Total Ownership Costs

    with improved fuel efficiency and longer service intervals

    Up to 20% More Performance

    with customizable operator settings and improvements in lift, swing, travel and multifunction

    Learn more about the 307.5 Mini Hydraulic Excavator

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    • 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.
    • Blade
      Height
      17 in
      Width
      90 in
    • Certification - Cab
      Roll Over Protective Structure (ROPS)
      ISO 12117-2:2008
      Tip Over Protective Structure (TOPS)
      ISO 12117:1997
      Top Guard
      ISO 10262:1998 (Level I)
    • Dimensions - Long Stick
      Boom In Reach
      88.6 in
      Cab Height
      100 in
      Dig Depth
      182.8 in
      Ground Clearance
      14.6 in
      Height - Boom Transport - No Tools
      100.4 in
      Height - Boom Working - With Tools
      124 in
      Maximum Blade Depth
      16 in
      Maximum Blade Height
      14.6 in
      Maximum Dig Height
      305.7 in
      Maximum Dump Clearance
      225.1 in
      Maximum Reach
      267.9 in
      Maximum Reach - Ground Level
      262.6 in
      Note (1)
      Boom Height when stick is pinned in transport position with no attachments.
      Note (2)
      Boom Height when stick is pinned in working position with attachments.
      O/A Track Width
      86.6 in
      O/A Undercarriage Length
      108.7 in
      Overall Shipping Length - with Counterweight
      246.1 in
      Overall Shipping Length - without Counterweight
      240.9 in
      Stick Length
      86.9 in
      Swing Bearing - Height
      29.7 in
      Tail Swing with Counterweight
      76 in
      Tail Swing without Counterweight
      70.9 in
      Track Belt/Shoe Width
      17.7 in
      Vertical Wall
      161.9 in
      Width over Upper House
      88.6 in
    • Dimensions - Standard Stick
      Boom In Reach
      66.2 in
      Cab Height
      100 in
      Dig Depth
      161.4 in
      Ground Clearance
      14.6 in
      Height - Boom Transport - No Tools
      101.2 in
      Height - Boom Working - With Tools
      107.5 in
      Maximum Blade Depth
      16 in
      Maximum Blade Height
      14.6 in
      Maximum Dig Height
      289.3 in
      Maximum Dump Clearance
      208.6 in
      Maximum Reach
      247.9 in
      Maximum Reach - Ground Level
      242.1 in
      Note (1)
      Boom Height when stick is pinned in transport position with no attachments.
      Note (2)
      Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
      O/A Track Width
      86.6 in
      O/A Undercarriage Length
      108.7 in
      Overall Shipping Length - with Counterweight
      245.3 in
      Overall Shipping Length - without Counterweight
      240.2 in
      Stick Length
      65.6 in
      Swing Bearing - Height
      29.7 in
      Tail Swing with Counterweight
      76 in
      Tail Swing without Counterweight
      70.9 in
      Track Belt/Shoe Width
      17.7 in
      Vertical Wall
      141.6 in
      Width over Upper House
      88.6 in
    • Engine
      Bore
      3.4 in
      Displacement
      148 in³
      Engine Model
      Cat C2.4 Turbo
      Gross Power - SAE J1995
      57.9 HP
      Net Power
      54.8 HP
      Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
      54.8 HP
      Stroke
      4 in
    • Hydraulic System
      Digging Force - Bucket
      12272 lb
      Digging Force - Stick - Long
      7579 lb
      Digging Force - Stick - Standard
      8504 lb
      Maximum Auxiliary Circuit - Primary - Flow at Pump
      35 gal/min
      Maximum Auxiliary Circuit - Primary - Pressure at Pump
      4134 psi
      Maximum Auxiliary Circuit - Secondary - Flow at Pump
      9 gal/min
      Maximum Auxiliary Circuit - Secondary - Pressure at Pump
      4134 psi
      Note
      Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
      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
    • Service Refill Capacities
      Cooling System
      2.6 gal (US)
      Engine Oil
      2.5 gal (US)
      Fuel Tank
      38 gal (US)
      Hydraulic System
      29 gal (US)
      Hydraulic Tank
      14 gal (US)
    • Sound
      Average Exterior Sound Pressure (ISO 6395:2008)
      98 dB(A)
      Note
      European Union Directive “2000/14/EC”
      Operator Sound Pressure (ISO 6396:2008)
      72 dB(A)
    • Sustainability
      Recyclability
      96%
    • Swing System
      Machine Swing Speed
      10 r/min
    • Travel System
      Gradeability - Maximum
      30 degrees
      Ground Pressure - Maximum Weight
      5.5 psi
      Ground Pressure - Minimum Weight
      5.1 psi
      Maximum Traction Force - High Speed
      5856 lb
      Maximum Traction Force - Low Speed
      14035 lb
      Travel Speed - High
      3.1 mile/h
      Travel Speed - Low
      1.9 mile/h
    • Weight Increase from Minimum Configuration
      Counterweight
      552 lb
      Long Stick
      181 lb
      Steel Tracks with Pads
      628 lb
    • Weights
      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.
      Note (2)
      **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
      Operating Weight
      17905 lb
    ENGINE
    • Cat C2.4 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 ( –37° F)
    HYDRAULICS
    • Smart Tech Electronic Pump
    • 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
    • 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 (cab machines only)
      – 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
    • Tie Down Eyes on Track Frame
    • Dozer Straight Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
    BOOM, STICK AND LINKAGES
    • One Piece Boom (3700 mm/145.7 in)
    • Standard Stick (1665 mm/65.6 in)
    • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (optional in some regions)
    ELECTRICAL
    • 12 Volt Electrical System
    • 90 Ampere Alternator
    • 900 CCA Maintenance Free Battery
    • Battery Disconnect
    • Ignition Key Stop Switch
    • Product Link Basic (regulations apply)
    • Travel Alarm
    OTHER
    • Locks on External Enclosure Doors
    • Lockable Fuel Cap
    • Beacon Socket
    • Rear Reflectors
    OPERATOR ENVIRONMENT
    • Air Suspension Heated Seat
    • Rain Visor
    • Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
      – Jog Dial Control Interface
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable (IP68 & IP69K)
      – Numeric Security Code
    UNDERCARRIAGE
    • 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
    • Long Stick (2200 mm/86.6 in)
    • Attachments including Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Bucket Linkage with Lift Eye
    ELECTRICAL
    • Product Link Elite (regulations apply)
    • Rearview Camera
    • Rotating Beacon
    GUARDING
    • Heavy Duty Front Guard ISO 10262 1998 Level II
    • Mesh Front Guard ISO 10262 1998 Level I
    • Overhead Cab Guard ISO 10262 1998 Level II
    • Polycarbonate Front Window EN356 P5A (Cab Only)
    • Track Guards
    OTHER
    • Water Jacket Heater
    • Refueling Pump