Get a quote307.5 Mini Hydraulic Excavator
Mini Excavators Inspired by Our Customers
More Comfort – More Performance – More Versatility
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4 Industry First Features
Cat Exclusives in a Mini Excavator
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Up to 10% Lower Total Ownership Costs
with improved fuel efficiency and longer service intervals
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Up to 20% More Performance
with customizable operator settings and improvements in lift, swing, travel and multifunction
Engine
| Bore | 3.4 in |
| Displacement | 148 in³ |
| Engine Model | Cat C2.4 Turbo |
| Gross Power - SAE J1995:2014 | 57.9 hp |
| Net Power | 54.8 hp |
| Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 54.8 hp |
| Stroke | 4 in |
Weights
| 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. |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. |
| Operating Weight | 17905 lb |
Dimensions - Long Stick
| Boom In Reach | 88.6 in |
| Cab Height | 100 in |
| Dig Depth | 182.8 in |
| Ground Clearance | 14.6 in |
| Height - Boom Transport - No Tools | 100.4 in |
| Height - Boom Working - With Tools | 124 in |
| Maximum Blade Depth | 16 in |
| Maximum Blade Height | 14.6 in |
| Maximum Dig Height | 305.7 in |
| Maximum Dump Clearance | 225.1 in |
| Maximum Reach | 267.9 in |
| Maximum Reach - Ground Level | 262.6 in |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. |
| Note (2) | Boom Height when stick is pinned in working position with attachments. |
| O/A Track Width | 86.6 in |
| O/A Undercarriage Length | 108.7 in |
| Overall Shipping Length - with Counterweight | 246.1 in |
| Overall Shipping Length - without Counterweight | 240.9 in |
| Stick Length | 86.9 in |
| Swing Bearing - Height | 29.7 in |
| Tail Swing with Counterweight | 76 in |
| Tail Swing without Counterweight | 70.9 in |
| Track Belt/Shoe Width | 17.7 in |
| Vertical Wall | 161.9 in |
| Width over Upper House | 88.6 in |
Weight Increase from Minimum Configuration
| Counterweight | 552 lb |
| Long Stick | 181 lb |
| Steel Tracks with Pads | 628 lb |
Travel System
| Gradeability - Maximum | 30 degrees |
| Ground Pressure - Maximum Weight | 5.5 psi |
| Ground Pressure - Minimum Weight | 5.1 psi |
| Maximum Traction Force - High Speed | 5856 lb |
| Maximum Traction Force - Low Speed | 14035 lb |
| Travel Speed - High | 3.1 mile/h |
| Travel Speed - Low | 1.9 mile/h |
Service Refill Capacities
| Cooling System | 2.6 gal (US) |
| Engine Oil | 2.5 gal (US) |
| Fuel Tank | 38 gal (US) |
| Hydraulic System | 29 gal (US) |
| Hydraulic Tank | 14 gal (US) |
Hydraulic System
| Digging Force - Bucket | 12272 lb |
| Digging Force - Stick - Long | 7579 lb |
| Digging Force - Stick - Standard | 8504 lb |
| Maximum Auxiliary Circuit - Primary - Flow at Pump | 35 gpm |
| Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134 psi |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9 gpm |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134 psi |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Operating Pressure - Equipment | 4134 psi |
| Operating Pressure - Swing | 3626 psi |
| Operating Pressure - Travel | 4134 psi |
| Pump Flow at 2,400 rpm | 44 gpm |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Swing System
| Machine Swing Speed | 10 r/min |
Blade
| Height | 17 in |
| Width | 90 in |
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 I) |
Sound
| Average Exterior Sound Pressure (ISO 6395:2008) | 98 dB(A) |
| Note | European Union Directive “2000/14/EC” |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
Air Conditioning System
| 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
| Boom In Reach | 66.2 in |
| Cab Height | 100 in |
| Dig Depth | 161.4 in |
| Ground Clearance | 14.6 in |
| Height - Boom Transport - No Tools | 101.2 in |
| Height - Boom Working - With Tools | 107.5 in |
| Maximum Blade Depth | 16 in |
| Maximum Blade Height | 14.6 in |
| Maximum Dig Height | 289.3 in |
| Maximum Dump Clearance | 208.6 in |
| Maximum Reach | 247.9 in |
| Maximum Reach - Ground Level | 242.1 in |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. |
| Note (2) | Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position. |
| O/A Track Width | 86.6 in |
| O/A Undercarriage Length | 108.7 in |
| Overall Shipping Length - with Counterweight | 245.3 in |
| Overall Shipping Length - without Counterweight | 240.2 in |
| Stick Length | 65.6 in |
| Swing Bearing - Height | 29.7 in |
| Tail Swing with Counterweight | 76 in |
| Tail Swing without Counterweight | 70.9 in |
| Track Belt/Shoe Width | 17.7 in |
| Vertical Wall | 141.6 in |
| Width over Upper House | 88.6 in |
Sustainability
| Recyclability | 96% |
Download resources
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
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Related Products
Engine
| Bore | 3.4 in |
| Displacement | 148 in³ |
| Engine Model | Cat C2.4 Turbo |
| Gross Power - SAE J1995:2014 | 57.9 hp |
| Net Power | 54.8 hp |
| Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 54.8 hp |
| Stroke | 4 in |
Weights
| 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. |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. |
| Operating Weight | 17905 lb |
Dimensions - Long Stick
| Boom In Reach | 88.6 in |
| Cab Height | 100 in |
| Dig Depth | 182.8 in |
| Ground Clearance | 14.6 in |
| Height - Boom Transport - No Tools | 100.4 in |
| Height - Boom Working - With Tools | 124 in |
| Maximum Blade Depth | 16 in |
| Maximum Blade Height | 14.6 in |
| Maximum Dig Height | 305.7 in |
| Maximum Dump Clearance | 225.1 in |
| Maximum Reach | 267.9 in |
| Maximum Reach - Ground Level | 262.6 in |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. |
| Note (2) | Boom Height when stick is pinned in working position with attachments. |
| O/A Track Width | 86.6 in |
| O/A Undercarriage Length | 108.7 in |
| Overall Shipping Length - with Counterweight | 246.1 in |
| Overall Shipping Length - without Counterweight | 240.9 in |
| Stick Length | 86.9 in |
| Swing Bearing - Height | 29.7 in |
| Tail Swing with Counterweight | 76 in |
| Tail Swing without Counterweight | 70.9 in |
| Track Belt/Shoe Width | 17.7 in |
| Vertical Wall | 161.9 in |
| Width over Upper House | 88.6 in |
Weight Increase from Minimum Configuration
| Counterweight | 552 lb |
| Long Stick | 181 lb |
| Steel Tracks with Pads | 628 lb |
Travel System
| Gradeability - Maximum | 30 degrees |
| Ground Pressure - Maximum Weight | 5.5 psi |
| Ground Pressure - Minimum Weight | 5.1 psi |
| Maximum Traction Force - High Speed | 5856 lb |
| Maximum Traction Force - Low Speed | 14035 lb |
| Travel Speed - High | 3.1 mile/h |
| Travel Speed - Low | 1.9 mile/h |
Service Refill Capacities
| Cooling System | 2.6 gal (US) |
| Engine Oil | 2.5 gal (US) |
| Fuel Tank | 38 gal (US) |
| Hydraulic System | 29 gal (US) |
| Hydraulic Tank | 14 gal (US) |
Hydraulic System
| Digging Force - Bucket | 12272 lb |
| Digging Force - Stick - Long | 7579 lb |
| Digging Force - Stick - Standard | 8504 lb |
| Maximum Auxiliary Circuit - Primary - Flow at Pump | 35 gpm |
| Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134 psi |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9 gpm |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134 psi |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Operating Pressure - Equipment | 4134 psi |
| Operating Pressure - Swing | 3626 psi |
| Operating Pressure - Travel | 4134 psi |
| Pump Flow at 2,400 rpm | 44 gpm |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Swing System
| Machine Swing Speed | 10 r/min |
Blade
| Height | 17 in |
| Width | 90 in |
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 I) |
Sound
| Average Exterior Sound Pressure (ISO 6395:2008) | 98 dB(A) |
| Note | European Union Directive “2000/14/EC” |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
Air Conditioning System
| 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
| Boom In Reach | 66.2 in |
| Cab Height | 100 in |
| Dig Depth | 161.4 in |
| Ground Clearance | 14.6 in |
| Height - Boom Transport - No Tools | 101.2 in |
| Height - Boom Working - With Tools | 107.5 in |
| Maximum Blade Depth | 16 in |
| Maximum Blade Height | 14.6 in |
| Maximum Dig Height | 289.3 in |
| Maximum Dump Clearance | 208.6 in |
| Maximum Reach | 247.9 in |
| Maximum Reach - Ground Level | 242.1 in |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. |
| Note (2) | Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position. |
| O/A Track Width | 86.6 in |
| O/A Undercarriage Length | 108.7 in |
| Overall Shipping Length - with Counterweight | 245.3 in |
| Overall Shipping Length - without Counterweight | 240.2 in |
| Stick Length | 65.6 in |
| Swing Bearing - Height | 29.7 in |
| Tail Swing with Counterweight | 76 in |
| Tail Swing without Counterweight | 70.9 in |
| Track Belt/Shoe Width | 17.7 in |
| Vertical Wall | 141.6 in |
| Width over Upper House | 88.6 in |
Sustainability
| Recyclability | 96% |