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.

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Engine Model
Cat C2.4 Turbo
Net Power
55.9 HP
Operating Weight
18152 lb
Height
17 in

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Product Specs

Engine

Engine Model
Cat C2.4 Turbo
Net Power
55.9HP
Bore
3.4in
Displacement
148in³
Gross Power - ISO 14396
57.9HP
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
55.9HP
Stroke
4in

Weights

Operating Weight
18152lb
Maximum Operating Weight with Cab**
18152lb
Minimum Operating Weight with Cab*
16605lb
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.

Blade

Height
17in
Width
90in

Certification - Cab

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

Dimensions - Long Stick

Boom In Reach
89in
Cab Height
100in
Dig Depth
183in
Ground Clearance
15in
Maximum Blade Depth
16in
Maximum Blade Height
14in
Maximum Dig Height
305in
Maximum Dump Clearance
225in
Maximum Reach
268in
Maximum Reach - Ground Level
263in
O/A Shipping Length
246in
O/A Track Width
87in
O/A Undercarriage Length
109in
Stick Length
87in
Swing Bearing - Height
30in
Tail Swing with Counterweight
79in
Tail Swing without Counterweight
71in
Track Belt/Shoe Width
18in
Transport Height
105in
Vertical Wall
162in
Width over Upper House
89in

Dimensions - Standard Stick

Boom In Reach
66in
Cab Height
100in
Dig Depth
162in
Ground Clearance
15in
Maximum Blade Depth
16in
Maximum Blade Height
14in
Maximum Dig Height
289in
Maximum Dump Clearance
208in
Maximum Reach
248in
Maximum Reach - Ground Level
242in
O/A Shipping Length
242in
O/A Track Width
87in
O/A Undercarriage Length
109in
Stick Length
66in
Swing Bearing - Height
30in
Tail Swing with Counterweight
79in
Tail Swing without Counterweight
71in
Track Belt/Shoe Width
18in
Transport Height
101in
Vertical Wall
142in
Width over Upper House
89in

Hydraulic System

Auxiliary Circuit - Primary - Flow
35gal/min
Auxiliary Circuit - Primary - Pressure
4134psi
Auxiliary Circuit - Secondary - Flow
9gal/min
Auxiliary Circuit - Secondary - Pressure
4134psi
Digging Force - Bucket
12272lb
Digging Force - Stick - Long
7579lb
Digging Force - Stick - Standard
8504lb
Operating Pressure - Equipment
4134psi
Operating Pressure - Swing
3626psi
Operating Pressure - Travel
4134psi
Pump Flow at 2,400 rpm
44gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Service Refill Capacities

Cooling System
2.6gal (US)
Engine Oil
2.5gal (US)
Fuel Tank
38gal (US)
Hydraulic System
27gal (US)
Hydraulic Tank
14gal (US)

Sound

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

Swing System

Machine Swing Speed
10r/min

Travel System

Gradeability - Maximum
30 degrees
Ground Pressure - Maximum Weight
5psi
Ground Pressure - Minimum Weight
5psi
Maximum Traction Force - High Speed
5856lb
Maximum Traction Force - Low Speed
14035lb
Travel Speed - High
3.1mile/h
Travel Speed - Low
1.9mile/h

Weight Increase from Minimum Configuration

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

Standard/Optional Features

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 (–35° 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
    • Sealed and Pressurized Cab
    • Operator Sound Pressure 72 dB(A) ISO 6396
    • 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
    • 12V Power Socket
    • Radio – Bluetooth®, USB, Auxiliary, Microphone
    • Skylight
    • Mounting Bosses for Top and Front Guards
    • ROPS – ISO 12117-2:2008
    • TOPS – ISO 12117:1997
    • Top Guard – ISO 10262:1998 (Level II)
    • 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
  • Undercarriage
    • Greased and Lubricated Track
    • Hydraulic Track Adjusters
    • Tie Down Eyes on Track Frame
    • 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
    • Rearview Camera
    • Rotating Beacon
  • Other
    • Attachments including Buckets, Augers and Hammers
    • Steel Track with Rubber Pads
    • Wide Steel Tracks (600 mm/23.6 in)
    • 2nd Auxiliary Hydraulic Lines with Case Drain
    • Boom and Stick Hose Burst Check Valves
    • Bucket Linkage with Lift Eye
    • Track Guides
    • Water Jacket Heater
    • Refueling Pump
    • Cab Guarding