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Caterpillar

307.5 Mini Hydraulic Excavator

Engine Model

Cat C2.4 Turbo

Cat C2.4 Turbo

Net Power

54.8 HP

40.9 kW

Operating Weight

17905 lb

8120 kg

Overview

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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Exterior

Model shown represents features on all Cat® Mini Excavators except where indicated.

Interior

Model shown represents features on all Cat® Mini Excavators except where indicated.

Features

Details

Specifications

Spec Value
Engine Model Cat C2.4 Turbo Cat C2.4 Turbo
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
Spec Value
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 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. *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Spec Value
Long Stick 181 lb 82 kg
Counterweight 552 lb 250 kg
Steel Tracks with Pads 628 lb 285 kg
Spec Value
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 30 degrees
Ground Pressure – Minimum Weight 5.1 psi 34.8 kPa
Spec Value
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
Spec Value
Type Load Sensing Hydraulics with Variable Displacement Piston Pump 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. 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
Spec Value
Machine Swing Speed 10 r/min 10 r/min
Spec Value
Height 17 in 431 mm
Width 90 in 2280 mm
Spec Value
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level I) ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997
Spec Value
Operator Sound Pressure (ISO 6396:2008) 72 dB(A) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 98 dB(A) 98 dB(A)
Note European Union Directive “2000/14/EC” European Union Directive “2000/14/EC”
Spec Value
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. 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.
Spec Value
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. 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. Boom Height when stick is pinned in transport position with no attachments.
Spec Value
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
Dig Depth 182.8 in 4642 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. 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. Boom Height when stick is pinned in working position with attachments.

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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