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.
Caterpillar
307.5 Mini Hydraulic Excavator
Overview
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Videos
360° View
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.
Showroom
Virtual Product Tour
Documents
- 307.5 Product Brochure
- Cat Mini Hydraulic Excavators Product Line Brochure (North America)
- Cat Mini Hydraulic Excavators Product Line Brochure (Europe)
- Options And Accessories Kit Guide for Mini Hydraulic Excavators
- Cat Attachments for Mini Excavators Brochure
- Attachment Compatibility Guide for Mini Excavators
Features
Specifications
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Engine
Spec Value Net Power 54.8 hp Displacement 148 in³ Gross Power - SAE J1995:2014 57.9 hp Bore 3.4 in Stroke 4 in Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 54.8 hp Engine Model Cat C2.4 Turbo -
Weights
Spec Value Operating Weight 17905 lb 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 Minimum Operating Weight with Cab* 16549 lb Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. -
Dimensions - Long Stick
Spec Value Dig Depth 182.8 in Cab Height 100 in Maximum Blade Height 14.6 in Track Belt/Shoe Width 17.7 in Maximum Dump Clearance 225.1 in O/A Undercarriage Length 108.7 in O/A Track Width 86.6 in Vertical Wall 161.9 in Width over Upper House 88.6 in Boom In Reach 88.6 in Stick Length 86.9 in Tail Swing with Counterweight 76 in Maximum Reach 267.9 in Ground Clearance 14.6 in Swing Bearing - Height 29.7 in Tail Swing without Counterweight 70.9 in Maximum Dig Height 305.7 in Maximum Blade Depth 16 in Maximum Reach - Ground Level 262.6 in Height - Boom Transport - No Tools 100.4 in Overall Shipping Length - without Counterweight 240.9 in Overall Shipping Length - with Counterweight 246.1 in Note (1) Boom Height when stick is pinned in transport position with no attachments. Height - Boom Working - With Tools 124 in Note (2) Boom Height when stick is pinned in working position with attachments. -
Weight Increase from Minimum Configuration
Spec Value Long Stick 181 lb Counterweight 552 lb Steel Tracks with Pads 628 lb -
Travel System
Spec Value Maximum Traction Force - Low Speed 14035 lb Maximum Traction Force - High Speed 5856 lb Travel Speed - High 3.1 mile/h Ground Pressure - Maximum Weight 5.5 psi Travel Speed - Low 1.9 mile/h Gradeability - Maximum 30 degrees Ground Pressure - Minimum Weight 5.1 psi -
Service Refill Capacities
Spec Value Cooling System 2.6 gal (US) Hydraulic System 29 gal (US) Hydraulic Tank 14 gal (US) Fuel Tank 38 gal (US) Engine Oil 2.5 gal (US) -
Hydraulic System
Spec Value Type Load Sensing Hydraulics with Variable Displacement Piston Pump Operating Pressure - Swing 3626 psi Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down. Pump Flow at 2,400 rpm 44 gal/min Digging Force - Stick - Standard 8504 lb Operating Pressure - Travel 4134 psi Operating Pressure - Equipment 4134 psi Digging Force - Stick - Long 7579 lb Digging Force - Bucket 12272 lb Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi -
Swing System
Spec Value Machine Swing Speed 10 r/min -
Blade
Spec Value Height 17 in Width 90 in -
Certification - Cab
Spec Value 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
Spec Value 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
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. -
Dimensions - Standard Stick
Spec Value Tail Swing with Counterweight 76 in Vertical Wall 141.6 in Tail Swing without Counterweight 70.9 in Stick Length 65.6 in Boom In Reach 66.2 in Track Belt/Shoe Width 17.7 in Ground Clearance 14.6 in O/A Track Width 86.6 in Maximum Reach - Ground Level 242.1 in O/A Undercarriage Length 108.7 in Width over Upper House 88.6 in Maximum Reach 247.9 in Swing Bearing - Height 29.7 in Maximum Blade Height 14.6 in Maximum Blade Depth 16 in Dig Depth 161.4 in Maximum Dump Clearance 208.6 in Cab Height 100 in Maximum Dig Height 289.3 in Height - Boom Working - With Tools 107.5 in Overall Shipping Length - with Counterweight 245.3 in 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 Height - Boom Transport - No Tools 101.2 in Note (1) Boom Height when stick is pinned in transport position with no attachments. -
Sustainability
Spec Value 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
- Cab Mirrors (vary by region)
- 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 and IP69K)
– Hour Meter with Wake Up Switch
TECHNOLOGY (availability varies by region)
- Product Link™ Basic
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
- Lock Out/Tag Out Battery Disconnect
- Ignition Key Stop Switch
- Travel Alarm
- Rear and Side Camera
GUARDING
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262:1998 (Level I)
OTHER
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors
Optional Equipment
OPERATOR ENVIRONMENT
- Air Suspension Heated Seat
- Seat Belt Reminder System
- 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 and IP69K)
– Numeric Security Code
TECHNOLOGY (availability varies by region)
- Ease of Use Indicate
- Ease of Use E-Fence
- Cat Grade Advanced 2D
- Cat Grade 3D
- Product Link Elite (regulations apply)
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
- Certified Lifting Eye (optional in some regions)
ELECTRICAL
- Rotating Beacon
GUARDING
- Top Guard ISO 10262:1998 (Level II)
- Front Guard (Mesh) ISO 10262:1998 (Level I)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II)
- Track Guards
OTHER
- Water Jacket Heater
- Refueling Pump
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