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 J1995:2014
    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
  • Cab Mirrors (vary by region)
  • 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 and IP69K)
    – Hour Meter with Wake Up Switch
TECHNOLOGY (availability varies by region)
  • Product Link™ Basic
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
  • Lock Out/Tag Out Battery Disconnect
  • Ignition Key Stop Switch
  • Travel Alarm
  • Rear and Side Camera
GUARDING
  • ROPS ISO 12117-2:2008
  • Top Guard ISO 10262:1998 (Level I)
OTHER
  • Locks on External Enclosure Doors
  • Lockable Fuel Cap
  • Beacon Socket
  • Rear Reflectors
OPERATOR ENVIRONMENT
  • Air Suspension Heated Seat
  • Seat Belt Reminder System
  • 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 and IP69K)
    – Numeric Security Code
TECHNOLOGY (availability varies by region)
  • Ease of Use Indicate
  • Ease of Use E-Fence
  • Cat Grade Advanced 2D
  • Cat Grade 3D
  • Product Link Elite (regulations apply)
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
  • Certified Lifting Eye (optional in some regions)
ELECTRICAL
  • Rotating Beacon
GUARDING
  • Top Guard ISO 10262:1998 (Level II)
  • Front Guard (Mesh) ISO 10262:1998 (Level I)
  • Front Guard (Heavy Duty) ISO 10262:1998 (Level II)
  • Track Guards
OTHER
  • Water Jacket Heater
  • Refueling Pump

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