Key Specs
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.
Cat Exclusives in a Mini Excavator
with improved fuel efficiency and longer service intervals
with customizable operator settings and improvements in lift, swing, travel and multifunction
| Net Power | 46.8 hp 34.9 kW |
| Displacement | 148 in³ 2.43 l |
| Stroke | 4 in 102 mm |
| Gross Power - SAE J1995:2014 | 48.9 hp 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 | 46.8 hp 34.9 kW |
| Bore | 3.4 in 87 mm |
| Engine Model | Cat C2.4 Turbo Cat C2.4 Turbo |
| Operating Weight | 18152 lb 8233 kg |
| Maximum Operating Weight with Cab** | 18152 lb 8233 kg |
| Note (1) | *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. *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. **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* | 16605 lb 7532 kg |
| Dig Depth | 183 in 4649 mm |
| Maximum Dump Clearance | 225 in 5710 mm |
| Swing Bearing - Height | 30 in 756 mm |
| O/A Undercarriage Length | 109 in 2760 mm |
| Boom In Reach | 89 in 2250 mm |
| Maximum Reach | 268 in 6805 mm |
| Tail Swing with Counterweight | 79 in 1995 mm |
| Track Belt/Shoe Width | 18 in 450 mm |
| Cab Height | 100 in 2534 mm |
| Transport Height | 105 in 2656 mm |
| Maximum Reach - Ground Level | 263 in 6671 mm |
| O/A Track Width | 87 in 2200 mm |
| Stick Length | 87 in 2208 mm |
| Maximum Dig Height | 305 in 7758 mm |
| Maximum Blade Depth | 16 in 414 mm |
| Ground Clearance | 15 in 370 mm |
| O/A Shipping Length | 246 in 6257 mm |
| Width over Upper House | 89 in 2250 mm |
| Vertical Wall | 162 in 4120 mm |
| Maximum Blade Height | 14 in 363 mm |
| Tail Swing without Counterweight | 71 in 1800 mm |
| Height | 17 in 431 mm |
| Width | 90 in 2280 mm |
| Digging Force - Stick - Standard | 8504 lb 37.8 kN |
| Auxiliary Circuit - Primary - Pressure | 4134 psi 285 bar |
| Operating Pressure - Swing | 3626 psi 250 bar |
| Operating Pressure - Equipment | 4134 psi 285 bar |
| Digging Force - Stick - Long | 7579 lb 33.7 kN |
| Pump Flow at 2,400 rpm | 44 gpm 167 L/min |
| Auxiliary Circuit - Primary - Flow | 35 gpm 131 L/min |
| Operating Pressure - Travel | 4134 psi 285 bar |
| Auxiliary Circuit - Secondary - Flow | 9 gpm 33 L/min |
| Digging Force - Bucket | 12272 lb 54.6 kN |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Auxiliary Circuit - Secondary - Pressure | 4134 psi 285 bar |
| Maximum Traction Force - High Speed | 5856 lb 26.1 kN |
| Gradeability - Maximum | 30 degrees 30 degrees |
| Ground Pressure - Minimum Weight | 5 psi 32.7 kPa |
| Ground Pressure - Maximum Weight | 5 psi 35.7 kPa |
| Maximum Traction Force - Low Speed | 14035 lb 62.4 kN |
| Travel Speed - Low | 1.9 mile/h 3.1 km/h |
| Travel Speed - High | 3.1 mile/h 5 km/h |
| Long Stick | 181 lb 82 kg |
| Counterweight | 552 lb 250 kg |
| Steel Tracks with Pads | 628 lb 285 kg |
| Boom In Reach | 66 in 1681 mm |
| O/A Track Width | 87 in 2200 mm |
| Dig Depth | 162 in 4107 mm |
| Ground Clearance | 15 in 370 mm |
| Cab Height | 100 in 2534 mm |
| Tail Swing without Counterweight | 71 in 1800 mm |
| Maximum Blade Depth | 16 in 414 mm |
| Width over Upper House | 89 in 2250 mm |
| Track Belt/Shoe Width | 18 in 450 mm |
| Maximum Dig Height | 289 in 7341 mm |
| Tail Swing with Counterweight | 79 in 1995 mm |
| Swing Bearing - Height | 30 in 756 mm |
| Maximum Reach | 248 in 6297 mm |
| Maximum Reach - Ground Level | 242 in 6152 mm |
| Maximum Dump Clearance | 208 in 5293 mm |
| Maximum Blade Height | 14 in 363 mm |
| O/A Undercarriage Length | 109 in 2760 mm |
| O/A Shipping Length | 242 in 6144 mm |
| Stick Length | 66 in 1665 mm |
| Transport Height | 101 in 2558 mm |
| Vertical Wall | 142 in 3604 mm |
| Engine Oil | 2.5 gal (US) 9.5 l |
| Hydraulic Tank | 14 gal (US) 53 l |
| Hydraulic System | 27 gal (US) 104 l |
| Fuel Tank | 38 gal (US) 145 l |
| Cooling System | 2.6 gal (US) 10 l |
| Average Exterior Sound Pressure (ISO 6395:2008) | 98 dB(A) 98 dB(A) |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) 72 dB(A) |
| Machine Swing Speed | 10 r/min 10 r/min |
| Top Guard | ISO 10262:1998 (Level II) ISO 10262:1998 (Level II) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
Caterpillar product brochures and other informational documents are available for your growing business.
307.5 Mini Hydraulic Excavator
307.5 Mini Hydraulic Excavator
307.5 Mini Hydraulic Excavator
307.5 Mini Hydraulic Excavator
307.5 Mini Hydraulic Excavator
Front View
Top View
Left View
Rear View
Bottom View
Right View
Introducing the Next Generation Cat 7-10 Ton Mini Excavators
Overview of the Next Generation Cat 7-10 Ton Mini Excavators
Standard Monitor on the Next Generation Cat Mini Excavators
Stick Steer on the Cat Next Generation Mini Excavators
Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators
Safety Features on the Cat 7-10 Ton Mini Excavators
Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
VisionLink™ is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
VisionLink™ is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
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