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307.5 - Tier 3

307.5 - Tier 3

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.

Net Power 34.9 kW
Operating Weight 8233 kg
Dig Depth 4649 mm

Technicial Specifications

Engine
Net Power 34.9 kW
Displacement 2.43 l
Stroke 102 mm
Gross Power - SAE J1995:2014 36.5 kW
Rated Net Power - 2,400 rpm - China Nonroad Stage III, Brazil MAR-1, Equivalent to EU Stage IIIA - ISO 9249/EEC 80/1269 34.9 kW
Bore 87 mm
Engine Model Cat C2.4 Turbo
Weights
Operating Weight 8233 kg
Maximum Operating Weight with Cab** 8233 kg
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.
Minimum Operating Weight with Cab* 7532 kg
Dimensions - Long Stick
Dig Depth 4649 mm
Maximum Dump Clearance 5710 mm
Swing Bearing - Height 756 mm
O/A Undercarriage Length 2760 mm
Boom In Reach 2250 mm
Maximum Reach 6805 mm
Tail Swing with Counterweight 1995 mm
Track Belt/Shoe Width 450 mm
Cab Height 2534 mm
Transport Height 2656 mm
Maximum Reach - Ground Level 6671 mm
O/A Track Width 2200 mm
Stick Length 2208 mm
Maximum Dig Height 7758 mm
Maximum Blade Depth 414 mm
Ground Clearance 370 mm
O/A Shipping Length 6257 mm
Width over Upper House 2250 mm
Vertical Wall 4120 mm
Maximum Blade Height 363 mm
Tail Swing without Counterweight 1800 mm
Blade
Height 431 mm
Width 2280 mm
Hydraulic System
Digging Force - Stick - Standard 37.8 kN
Auxiliary Circuit - Primary - Pressure 285 bar
Operating Pressure - Swing 250 bar
Operating Pressure - Equipment 285 bar
Digging Force - Stick - Long 33.7 kN
Pump Flow at 2,400 rpm 167 l/min
Auxiliary Circuit - Primary - Flow 131 l/min
Operating Pressure - Travel 285 bar
Auxiliary Circuit - Secondary - Flow 33 l/min
Digging Force - Bucket 54.6 kN
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Pressure 285 bar
Travel System
Maximum Traction Force - High Speed 26.1 kN
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 32.7 kPa
Ground Pressure - Maximum Weight 35.7 kPa
Maximum Traction Force - Low Speed 62.4 kN
Travel Speed - Low 3.1 km/h
Travel Speed - High 5 km/h
Weight Increase from Minimum Configuration
Long Stick 82 kg
Counterweight 250 kg
Steel Tracks with Pads 285 kg
Dimensions - Standard Stick
Boom In Reach 1681 mm
O/A Track Width 2200 mm
Dig Depth 4107 mm
Ground Clearance 370 mm
Cab Height 2534 mm
Tail Swing without Counterweight 1800 mm
Maximum Blade Depth 414 mm
Width over Upper House 2250 mm
Track Belt/Shoe Width 450 mm
Maximum Dig Height 7341 mm
Tail Swing with Counterweight 1995 mm
Swing Bearing - Height 756 mm
Maximum Reach 6297 mm
Maximum Reach - Ground Level 6152 mm
Maximum Dump Clearance 5293 mm
Maximum Blade Height 363 mm
O/A Undercarriage Length 2760 mm
O/A Shipping Length 6144 mm
Stick Length 1665 mm
Transport Height 2558 mm
Vertical Wall 3604 mm
Service Refill Capacities
Engine Oil 9.5 l
Hydraulic Tank 53 l
Hydraulic System 104 l
Fuel Tank 145 l
Cooling System 10 l
Sound
Average Exterior Sound Pressure (ISO 6395:2008) 98 dB(A)
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Swing System
Machine Swing Speed 10 r/min
Certification - Cab
Top Guard ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997

Advantages and Features

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.

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

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