307.5

Net Power
54.8 HP / 40.9 kW
Operating Weight
17905 lb / 8120 kg
Dig Depth
182.8 in / 4642 mm

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
Net Power 54.8 HP / 40.9 kW
Displacement 148 in³ / 2.43 l
Gross Power - SAE J1995 57.9 HP / 43.2 kW
Bore 3.4 in / 87 mm
Stroke 4 in / 102.4 mm
Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 54.8 HP / 40.9 kW
Engine Model Cat C2.4 Turbo
Weights
Operating Weight 17905 lb / 8120 kg
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 / 8120 kg
Minimum Operating Weight with Cab* 16549 lb / 7505 kg
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 182.8 in / 4642 mm
Cab Height 100 in / 2541 mm
Maximum Blade Height 14.6 in / 370 mm
Track Belt/Shoe Width 17.7 in / 450 mm
Maximum Dump Clearance 225.1 in / 5717 mm
O/A Undercarriage Length 108.7 in / 2760 mm
O/A Track Width 86.6 in / 2200 mm
Vertical Wall 161.9 in / 4113 mm
Width over Upper House 88.6 in / 2250 mm
Boom In Reach 88.6 in / 2250 mm
Stick Length 86.9 in / 2208 mm
Tail Swing with Counterweight 76 in / 1930 mm
Maximum Reach 267.9 in / 6805 mm
Ground Clearance 14.6 in / 370 mm
Swing Bearing - Height 29.7 in / 756 mm
Tail Swing without Counterweight 70.9 in / 1800 mm
Maximum Dig Height 305.7 in / 7765 mm
Maximum Blade Depth 16 in / 407 mm
Maximum Reach - Ground Level 262.6 in / 6670 mm
Height - Boom Transport - No Tools 100.4 in / 2550 mm
Overall Shipping Length - without Counterweight 240.9 in / 6120 mm
Overall Shipping Length - with Counterweight 246.1 in / 6250 mm
Note (1) Boom Height when stick is pinned in transport position with no attachments.
Height - Boom Working - With Tools 124 in / 3150 mm
Note (2) Boom Height when stick is pinned in working position with attachments.
Weight Increase from Minimum Configuration
Long Stick 181 lb / 82 kg
Counterweight 552 lb / 250 kg
Steel Tracks with Pads 628 lb / 285 kg
Travel System
Maximum Traction Force - Low Speed 14035 lb / 62.4 kN
Maximum Traction Force - High Speed 5856 lb / 26.1 kN
Travel Speed - High 3.1 mile/h / 5 km/h
Ground Pressure - Maximum Weight 5.5 psi / 37.7 kPa
Travel Speed - Low 1.9 mile/h / 3.1 km/h
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 5.1 psi / 34.8 kPa
Service Refill Capacities
Cooling System 2.6 gal (US) / 10 l
Hydraulic System 29 gal (US) / 110 l
Hydraulic Tank 14 gal (US) / 53 l
Fuel Tank 38 gal (US) / 145 l
Engine Oil 2.5 gal (US) / 9.5 l
Hydraulic System
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626 psi / 250 bar
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,400 rpm 44 gal/min / 167 l/min
Digging Force - Stick - Standard 8504 lb / 37.8 kN
Operating Pressure - Travel 4134 psi / 285 bar
Operating Pressure - Equipment 4134 psi / 285 bar
Digging Force - Stick - Long 7579 lb / 33.7 kN
Digging Force - Bucket 12272 lb / 54.6 kN
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min / 33 l/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi / 285 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min / 131 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi / 285 bar
Swing System
Machine Swing Speed 10 r/min
Blade
Height 17 in / 431 mm
Width 90 in / 2280 mm
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 / 1930 mm
Vertical Wall 141.6 in / 3597 mm
Tail Swing without Counterweight 70.9 in / 1800 mm
Stick Length 65.6 in / 1665 mm
Boom In Reach 66.2 in / 1681 mm
Track Belt/Shoe Width 17.7 in / 450 mm
Ground Clearance 14.6 in / 370 mm
O/A Track Width 86.6 in / 2200 mm
Maximum Reach - Ground Level 242.1 in / 6151 mm
O/A Undercarriage Length 108.7 in / 2760 mm
Width over Upper House 88.6 in / 2250 mm
Maximum Reach 247.9 in / 6297 mm
Swing Bearing - Height 29.7 in / 756 mm
Maximum Blade Height 14.6 in / 370 mm
Maximum Blade Depth 16 in / 407 mm
Dig Depth 161.4 in / 4100 mm
Maximum Dump Clearance 208.6 in / 5300 mm
Cab Height 100 in / 2541 mm
Maximum Dig Height 289.3 in / 7348 mm
Height - Boom Working - With Tools 107.5 in / 2730 mm
Overall Shipping Length - with Counterweight 245.3 in / 6230 mm
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 / 6100 mm
Height - Boom Transport - No Tools 101.2 in / 2570 mm
Note (1) Boom Height when stick is pinned in transport position with no attachments.
Sustainability
Recyclability 96%

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
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