307.5 Mini Excavator

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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.

Engine

Units:
Engine Model Cat C2.4 Turbo Cat C2.4 Turbo Less
Net Power 46.8 HP 34.9 kW Less
Displacement 148.0 in³ 2.43 l Less
Stroke 4.0 in 102.0 mm Less
Gross Power - SAE J1995 48.9 HP 36.5 kW Less
Rated Net Power - 2,400 rpm - China Nonroad Stage III, Brazil MAR-1, Equivalent to EU Stage IIIA - ISO 9249/EEC 80/1269 46.8 HP 34.9 kW Less
Bore 3.4 in 87.0 mm Less

Weights

Operating Weight 18152.0 lb 8233.0 kg Less
Maximum Operating Weight with Cab** 18152.0 lb 8233.0 kg Less
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. Less
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. Less
Minimum Operating Weight with Cab* 16605.0 lb 7532.0 kg Less

Blade

Height 17.0 in 431.0 mm Less
Width 90.0 in 2280.0 mm Less

Hydraulic System

Digging Force - Stick - Standard 8504.0 lb 37.8 kN Less
Auxiliary Circuit - Primary - Pressure 4134.0 psi 285.0 bar Less
Operating Pressure - Swing 3626.0 psi 250.0 bar Less
Operating Pressure - Equipment 4134.0 psi 285.0 bar Less
Digging Force - Stick - Long 7579.0 lb 33.7 kN Less
Pump Flow at 2,400 rpm 44.0 gal/min 167.0 l/min Less
Auxiliary Circuit - Primary - Flow 35.0 gal/min 131.0 l/min Less
Operating Pressure - Travel 4134.0 psi 285.0 bar Less
Auxiliary Circuit - Secondary - Flow 9.0 gal/min 33.0 l/min Less
Digging Force - Bucket 12272.0 lb 54.6 kN Less
Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump Less
Auxiliary Circuit - Secondary - Pressure 4134.0 psi 285.0 bar Less

Dimensions - Long Stick

Maximum Dump Clearance 225.0 in 5710.0 mm Less
Swing Bearing - Height 30.0 in 756.0 mm Less
O/A Undercarriage Length 109.0 in 2760.0 mm Less
Boom In Reach 89.0 in 2250.0 mm Less
Maximum Reach 268.0 in 6805.0 mm Less
Tail Swing with Counterweight 79.0 in 1995.0 mm Less
Track Belt/Shoe Width 18.0 in 450.0 mm Less
Cab Height 100.0 in 2534.0 mm Less
Transport Height 105.0 in 2656.0 mm Less
Dig Depth 183.0 in 4649.0 mm Less
Maximum Reach - Ground Level 263.0 in 6671.0 mm Less
O/A Track Width 87.0 in 2200.0 mm Less
Stick Length 87.0 in 2208.0 mm Less
Maximum Dig Height 305.0 in 7758.0 mm Less
Maximum Blade Depth 16.0 in 414.0 mm Less
Ground Clearance 15.0 in 370.0 mm Less
O/A Shipping Length 246.0 in 6257.0 mm Less
Width over Upper House 89.0 in 2250.0 mm Less
Vertical Wall 162.0 in 4120.0 mm Less
Maximum Blade Height 14.0 in 363.0 mm Less
Tail Swing without Counterweight 71.0 in 1800.0 mm Less

Travel System

Maximum Traction Force - High Speed 5856.0 lb 26.1 kN Less
Gradeability - Maximum 30 degrees 30 degrees Less
Ground Pressure - Minimum Weight 5.0 psi 32.7 kPa Less
Ground Pressure - Maximum Weight 5.0 psi 35.7 kPa Less
Maximum Traction Force - Low Speed 14035.0 lb 62.4 kN Less
Travel Speed - Low 1.9 mile/h 3.1 km/h Less
Travel Speed - High 3.1 mile/h 5.0 km/h Less

Weight Increase from Minimum Configuration

Long Stick 181.0 lb 82.0 kg Less
Counterweight 552.0 lb 250.0 kg Less
Steel Tracks with Pads 628.0 lb 285.0 kg Less

Dimensions - Standard Stick

Boom In Reach 66.0 in 1681.0 mm Less
O/A Track Width 87.0 in 2200.0 mm Less
Dig Depth 162.0 in 4107.0 mm Less
Ground Clearance 15.0 in 370.0 mm Less
Cab Height 100.0 in 2534.0 mm Less
Tail Swing without Counterweight 71.0 in 1800.0 mm Less
Maximum Blade Depth 16.0 in 414.0 mm Less
Width over Upper House 89.0 in 2250.0 mm Less
Track Belt/Shoe Width 18.0 in 450.0 mm Less
Maximum Dig Height 289.0 in 7341.0 mm Less
Tail Swing with Counterweight 79.0 in 1995.0 mm Less
Swing Bearing - Height 30.0 in 756.0 mm Less
Maximum Reach 248.0 in 6297.0 mm Less
Maximum Reach - Ground Level 242.0 in 6152.0 mm Less
Maximum Dump Clearance 208.0 in 5293.0 mm Less
Maximum Blade Height 14.0 in 363.0 mm Less
O/A Undercarriage Length 109.0 in 2760.0 mm Less
O/A Shipping Length 242.0 in 6144.0 mm Less
Stick Length 66.0 in 1665.0 mm Less
Transport Height 101.0 in 2558.0 mm Less
Vertical Wall 142.0 in 3604.0 mm Less

Service Refill Capacities

Engine Oil 2.5 gal (US) 9.5 l Less
Hydraulic Tank 14.0 gal (US) 53.0 l Less
Hydraulic System 27.0 gal (US) 104.0 l Less
Fuel Tank 38.0 gal (US) 145.0 l Less
Cooling System 2.6 gal (US) 10.0 l Less

Sound

Average Exterior Sound Pressure (ISO 6395:2008) 98.0 dB(A) 98.0 dB(A) Less
Operator Sound Pressure (ISO 6396:2008) 72.0 dB(A) 72.0 dB(A) Less

Swing System

Machine Swing Speed 10.0 r/min 10.0 r/min Less

Certification - Cab

Top Guard ISO 10262:1998 (Level II) ISO 10262:1998 (Level II) Less
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008 Less
Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997 Less

ALL DAY COMFORT

  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.

EASY TO OPERATE

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

STICK STEER TRAVEL MODE

  • Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

BIG PERFORMANCE IN A MINI DESIGN

  • Increased lifting, swinging, travel and multi-functioning performance helps you get the job done more efficiently, and dig-to-blade allows for easy clean up.

SAFETY ON THE JOB SITE

  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we’ve built into the machine.

SIMPLE SERVICE FOR LESS DOWNTIME

  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.

LOWER OPERATING COSTS

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.

307.5 Standard Equipment

ENGINE
  • Automatic Two Speed Travel
  • Automatic Engine Shutdown
  • Radial Seal – Double Element Air Filter
  • Cat C2.4 Diesel Engine (China Nonroad Stage III, Brazil MAR-1, Equivalent to EU Stage IIIA – Electrical Governor and Turbo)
  • Automatic Engine Idle
  • Fuel Water Separator with Indicator
  • Automatic Swing Brake
  • Extended Life Coolant, –37° C (–35° F)

HYDRAULICS
  • Certified Accumulator
  • Power On Demand
  • Load Sensing/Flow Sharing Hydraulics
  • Smart Tech Electronic Pump
  • Variable Displacement Piston Pump
  • HYDO Advanced Hydraulic Oil
  • Hydraulic Temperature Monitoring

OPERATOR ENVIRONMENT
  • Removable, Washable Floor Mat
  • Assisted Front Window Overhead Storage
  • Hydraulic Lockout Controls
  • 12V Power Socket
  • Adjustable Wrist Rests
  • Coat Hook
  • Top Guard – ISO 10262:1998 (Level II)
  • Mounting Bosses for Top and Front Guards
  • Travel Cruise Control
  • Molded Footrests
  • Retractable Seat Belt (75 mm/3 in)
  • Operator Sound Pressure 72 dB(A) ISO 6396
  • Sealed and Pressurized Cab
  • Color LCD Monitor
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Camera Ready
    – Hour Meter with Wake Up Switch
    – Jog Dial Control Interface
  • ROPS – ISO 12117-2:2008
  • Control Pattern Changer
  • Cup Holder
  • LED Interior Light
  • TOPS – ISO 12117:1997
  • Cat Key with Passcode Option
  • Stick Steer Mode
  • Radio – Bluetooth®, USB, Auxiliary, Microphone
  • Fabric, High Back, Suspension Seat
  • Skylight
  • Travel Pedals and Hand Levers
  • HVAC with Automatic Temperature Control
  • Integrated Lower Front Window
  • Rear Window Emergency Exit
  • Literature Holder

UNDERCARRIAGE
  • Tie Down Eyes on Track Frame
  • Greased and Lubricated Track
  • Hydraulic Track Adjusters
  • Dozer Blade
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
  • Steel Tracks (450 mm/17.7 in wide)

BOOM, STICK AND LINKAGES
  • One Piece Boom (3700 mm/145.7 in)
  • Standard Stick (1665 mm/65.6 in) or Long Stick (2200 mm/86.6 in)
  • Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
  • Thumb Ready (not available in all regions)
  • Certified Lifting Eye (not available in all regions)

ELECTRICAL
  • 12 Volt Electrical System
  • 60 Ampere Alternator
  • 900 CCA Maintenance Free Battery
  • Battery Disconnect
  • Ignition Key Stop Switch
  • Signaling/Warning Horn
  • Product Link™ Elite Lite (regulations apply)
  • Travel Alarm

307.5 Optional Equipment

OPERATOR ENVIRONMENT
  • Rain Visor
  • Air Suspension Heated Seat

ELECTRICAL
  • Rotating Beacon
  • Rearview Camera

OTHER
  • Bucket Linkage with Lift Eye
  • Boom and Stick Hose Burst Check Valves
  • 2nd Auxiliary Hydraulic Lines with Case Drain
  • Steel Track with Rubber Pads
  • Wide Steel Tracks (600 mm/23.6 in)
  • Attachments including Buckets, Augers and Hammers
  • Track Guides
  • Water Jacket Heater
  • Refueling Pump
  • Cab Guarding