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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.

Engine

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

Weights

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

Blade

Height 17in
Width 90in

Hydraulic System

Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626psi
Pump Flow at 2,400 rpm 44gal/min
Digging Force - Stick - Standard 8504lb
Operating Pressure - Travel 4134psi
Operating Pressure - Equipment 4134psi
Digging Force - Stick - Long 7579lb
Digging Force - Bucket 12272lb
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134psi

Dimensions - Long Stick

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

Travel System

Maximum Traction Force - Low Speed 14035lb
Maximum Traction Force - High Speed 5856lb
Travel Speed - High 3.1mile/h
Ground Pressure - Maximum Weight 5.5psi
Travel Speed - Low 1.9mile/h
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 5.1psi

Dimensions - Standard Stick

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

Weight Increase from Minimum Configuration

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

Service Refill Capacities

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

Sound

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

Swing System

Machine Swing Speed 10r/min

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

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.

Standard Equipment

  • 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

Optional Equipment

  • 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