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 | 55.9 HP 41.7 kW |
| Engine Model | Cat C2.4 Turbo Cat C2.4 Turbo |
| Displacement | 148.0 in³ 2.43 l |
| Gross Power - ISO 14396 | 57.9 HP 43.2 kW |
| Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 | 55.9 HP 41.7 kW |
| Bore | 3.4 in 87.0 mm |
| Stroke | 4.0 in 102.0 mm |
| Operating Weight | 18152.0 lb 8233.0 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 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** | 18152.0 lb 8233.0 kg |
| Minimum Operating Weight with Cab* | 16605.0 lb 7532.0 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. |
| Dig Depth | 183.0 in 4649.0 mm |
| Cab Height | 100.0 in 2534.0 mm |
| Maximum Blade Height | 14.0 in 363.0 mm |
| Track Belt/Shoe Width | 18.0 in 450.0 mm |
| Maximum Dump Clearance | 225.0 in 5710.0 mm |
| O/A Undercarriage Length | 109.0 in 2760.0 mm |
| O/A Track Width | 87.0 in 2200.0 mm |
| Transport Height | 105.0 in 2656.0 mm |
| Vertical Wall | 162.0 in 4120.0 mm |
| Width over Upper House | 89.0 in 2250.0 mm |
| Boom In Reach | 89.0 in 2250.0 mm |
| Stick Length | 87.0 in 2208.0 mm |
| Tail Swing with Counterweight | 79.0 in 1995.0 mm |
| Maximum Reach | 268.0 in 6805.0 mm |
| Ground Clearance | 15.0 in 370.0 mm |
| Swing Bearing - Height | 30.0 in 756.0 mm |
| O/A Shipping Length | 246.0 in 6257.0 mm |
| Tail Swing without Counterweight | 71.0 in 1800.0 mm |
| Maximum Dig Height | 305.0 in 7758.0 mm |
| Maximum Blade Depth | 16.0 in 414.0 mm |
| Maximum Reach - Ground Level | 263.0 in 6671.0 mm |
| Height | 17.0 in 431.0 mm |
| Width | 90.0 in 2280.0 mm |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Operating Pressure - Swing | 3626.0 psi 250.0 bar |
| Auxiliary Circuit - Secondary - Pressure | 4134.0 psi 285.0 bar |
| Pump Flow at 2,400 rpm | 44.0 gal/min 167.0 l/min |
| Digging Force - Stick - Standard | 8504.0 lb 37.8 kN |
| Auxiliary Circuit - Primary - Pressure | 4134.0 psi 285.0 bar |
| Operating Pressure - Travel | 4134.0 psi 285.0 bar |
| Operating Pressure - Equipment | 4134.0 psi 285.0 bar |
| Auxiliary Circuit - Primary - Flow | 35.0 gal/min 131.0 l/min |
| Auxiliary Circuit - Secondary - Flow | 9.0 gal/min 33.0 l/min |
| Digging Force - Stick - Long | 7579.0 lb 33.7 kN |
| Digging Force - Bucket | 12272.0 lb 54.6 kN |
| Maximum Traction Force - Low Speed | 14035.0 lb 62.4 kN |
| Maximum Traction Force - High Speed | 5856.0 lb 26.1 kN |
| Travel Speed - High | 3.1 mile/h 5.0 km/h |
| Ground Pressure - Maximum Weight | 5.0 psi 35.7 kPa |
| Travel Speed - Low | 1.9 mile/h 3.1 km/h |
| Gradeability - Maximum | 30 degrees 30 degrees |
| Ground Pressure - Minimum Weight | 5.0 psi 32.7 kPa |
| Tail Swing with Counterweight | 79.0 in 1995.0 mm |
| Vertical Wall | 142.0 in 3604.0 mm |
| Transport Height | 101.0 in 2558.0 mm |
| Tail Swing without Counterweight | 71.0 in 1800.0 mm |
| Stick Length | 66.0 in 1665.0 mm |
| Boom In Reach | 66.0 in 1681.0 mm |
| Track Belt/Shoe Width | 18.0 in 450.0 mm |
| Ground Clearance | 15.0 in 370.0 mm |
| O/A Track Width | 87.0 in 2200.0 mm |
| Maximum Reach - Ground Level | 242.0 in 6152.0 mm |
| O/A Undercarriage Length | 109.0 in 2760.0 mm |
| Width over Upper House | 89.0 in 2250.0 mm |
| Maximum Reach | 248.0 in 6297.0 mm |
| Swing Bearing - Height | 30.0 in 756.0 mm |
| Maximum Blade Height | 14.0 in 363.0 mm |
| Maximum Blade Depth | 16.0 in 414.0 mm |
| Dig Depth | 162.0 in 4107.0 mm |
| O/A Shipping Length | 242.0 in 6144.0 mm |
| Maximum Dump Clearance | 208.0 in 5293.0 mm |
| Cab Height | 100.0 in 2534.0 mm |
| Maximum Dig Height | 289.0 in 7341.0 mm |
| Long Stick | 181.0 lb 82.0 kg |
| Counterweight | 552.0 lb 250.0 kg |
| Steel Tracks with Pads | 628.0 lb 285.0 kg |
| Cooling System | 2.6 gal (US) 10.0 l |
| Hydraulic System | 27.0 gal (US) 104.0 l |
| Hydraulic Tank | 14.0 gal (US) 53.0 l |
| Fuel Tank | 38.0 gal (US) 145.0 l |
| Engine Oil | 2.5 gal (US) 9.5 l |
| Operator Sound Pressure (ISO 6396:2008) | 72.0 dB(A) 72.0 dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 98.0 dB(A) 98.0 dB(A) |
| Note | European Union Directive “2000/14/EC” European Union Directive “2000/14/EC” |
| Machine Swing Speed | 10.0 r/min 10.0 r/min |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Top Guard | ISO 10262:1998 (Level II) ISO 10262:1998 (Level II) |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
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Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
