307.5 - Tier 4 / Stage V
307.5 Mini Hydraulic Excavator
The 307.5 Mini Excavator delivers power and performance in a 7 ton size class to help you work in a wide range of applications.
307.5 - Tier 4 / Stage V
307.5 - Tier 4 / Stage V
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.
- Specifications
- Standard / Optional Features
- Long Name -307.5 Mini Hydraulic Excavator
- Name -307.5 - Tier 4 / Stage V
- Brand -Caterpillar
- Status -Current
- Net Power - 54.8 hp / 40.9 kW
- Displacement - 148 in³ / 2.43 l
- Gross Power - SAE J1995:2014 - 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
- Engine Model - Cat C2.4 Turbo
- 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 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.
- Dig Depth - 182.8 in / 4642 mm
- 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
- 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.
- Height - Boom Working - With Tools - 124 in / 3150 mm
- Note (2) - Boom Height when stick is pinned in working position with attachments.
- Long Stick - 181 lb / 82 kg
- Counterweight - 552 lb / 250 kg
- Steel Tracks with Pads - 628 lb / 285 kg
- Maximum Traction Force - Low Speed - 14035 lbf / 62.4 kN
- Maximum Traction Force - High Speed - 5856 lbf / 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
- Ground Pressure - Minimum Weight - 5.1 psi / 34.8 kPa
- 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
- Type - 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.
- Pump Flow at 2,400 rpm - 44 gpm / 167 L/min
- Digging Force - Stick - Standard - 8504 lbf / 37.8 kN
- Operating Pressure - Travel - 4134 psi / 285 bar
- Operating Pressure - Equipment - 4134 psi / 285 bar
- Digging Force - Stick - Long - 7579 lbf / 33.7 kN
- Digging Force - Bucket - 12272 lbf / 54.6 kN
- Maximum Auxiliary Circuit - Secondary - Flow at Pump - 9 gpm / 33 L/min
- Maximum Auxiliary Circuit - Secondary - Pressure at Pump - 4134 psi / 285 bar
- Maximum Auxiliary Circuit - Primary - Flow at Pump - 35 gpm / 131 L/min
- Maximum Auxiliary Circuit - Primary - Pressure at Pump - 4134 psi / 285 bar
- Machine Swing Speed - 10 r/min / 10 r/min
- Height - 17 in / 431 mm
- Width - 90 in / 2280 mm
- Roll Over Protective Structure (ROPS) - ISO 12117-2:2008
- Top Guard - ISO 10262:1998 (Level I)
- Tip Over Protective Structure (TOPS) - ISO 12117:1997
- 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”
- 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.
- 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.
- 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.
- 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






