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.
Engine | |
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Engine Model | Cat C2.4 Turbo |
Net Power | 55.9 HP / 41.7 kW |
Bore | 3.4 in / 87 mm |
Displacement | 148 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 |
Stroke | 4 in / 102 mm |
Weights | |
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Operating Weight | 18152 lb / 8233 kg |
Maximum Operating Weight with Cab** | 18152 lb / 8233 kg |
Minimum Operating Weight with Cab* | 16605 lb / 7532 kg |
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. |
Blade | |
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Height | 17 in / 431 mm |
Width | 90 in / 2280 mm |
Certification - Cab | |
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Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Top Guard | ISO 10262:1998 (Level II) |
Dimensions - Long Stick | |
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Boom In Reach | 89 in / 2250 mm |
Cab Height | 100 in / 2534 mm |
Dig Depth | 183 in / 4649 mm |
Ground Clearance | 15 in / 370 mm |
Maximum Blade Depth | 16 in / 414 mm |
Maximum Blade Height | 14 in / 363 mm |
Maximum Dig Height | 305 in / 7758 mm |
Maximum Dump Clearance | 225 in / 5710 mm |
Maximum Reach | 268 in / 6805 mm |
Maximum Reach - Ground Level | 263 in / 6671 mm |
O/A Shipping Length | 246 in / 6257 mm |
O/A Track Width | 87 in / 2200 mm |
O/A Undercarriage Length | 109 in / 2760 mm |
Stick Length | 87 in / 2208 mm |
Swing Bearing - Height | 30 in / 756 mm |
Tail Swing with Counterweight | 79 in / 1995 mm |
Tail Swing without Counterweight | 71 in / 1800 mm |
Track Belt/Shoe Width | 18 in / 450 mm |
Transport Height | 105 in / 2656 mm |
Vertical Wall | 162 in / 4120 mm |
Width over Upper House | 89 in / 2250 mm |
Dimensions - Standard Stick | |
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Boom In Reach | 66 in / 1681 mm |
Cab Height | 100 in / 2534 mm |
Dig Depth | 162 in / 4107 mm |
Ground Clearance | 15 in / 370 mm |
Maximum Blade Depth | 16 in / 414 mm |
Maximum Blade Height | 14 in / 363 mm |
Maximum Dig Height | 289 in / 7341 mm |
Maximum Dump Clearance | 208 in / 5293 mm |
Maximum Reach | 248 in / 6297 mm |
Maximum Reach - Ground Level | 242 in / 6152 mm |
O/A Shipping Length | 242 in / 6144 mm |
O/A Track Width | 87 in / 2200 mm |
O/A Undercarriage Length | 109 in / 2760 mm |
Stick Length | 66 in / 1665 mm |
Swing Bearing - Height | 30 in / 756 mm |
Tail Swing with Counterweight | 79 in / 1995 mm |
Tail Swing without Counterweight | 71 in / 1800 mm |
Track Belt/Shoe Width | 18 in / 450 mm |
Transport Height | 101 in / 2558 mm |
Vertical Wall | 142 in / 3604 mm |
Width over Upper House | 89 in / 2250 mm |
Hydraulic System | |
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Auxiliary Circuit - Primary - Flow | 35 gal/min / 131 l/min |
Auxiliary Circuit - Primary - Pressure | 4134 psi / 285 bar |
Auxiliary Circuit - Secondary - Flow | 9 gal/min / 33 l/min |
Auxiliary Circuit - Secondary - Pressure | 4134 psi / 285 bar |
Digging Force - Bucket | 12272 lb / 54.6 kN |
Digging Force - Stick - Long | 7579 lb / 33.7 kN |
Digging Force - Stick - Standard | 8504 lb / 37.8 kN |
Operating Pressure - Equipment | 4134 psi / 285 bar |
Operating Pressure - Swing | 3626 psi / 250 bar |
Operating Pressure - Travel | 4134 psi / 285 bar |
Pump Flow at 2,400 rpm | 44 gal/min / 167 l/min |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Service Refill Capacities | |
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Cooling System | 2.6 gal (US) / 10 l |
Engine Oil | 2.5 gal (US) / 9.5 l |
Fuel Tank | 38 gal (US) / 145 l |
Hydraulic System | 27 gal (US) / 104 l |
Hydraulic Tank | 14 gal (US) / 53 l |
Sound | |
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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) |
Swing System | |
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Machine Swing Speed | 10 r/min |
Travel System | |
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Gradeability - Maximum | 30 degrees |
Ground Pressure - Maximum Weight | 5 psi / 35.7 kPa |
Ground Pressure - Minimum Weight | 5 psi / 32.7 kPa |
Maximum Traction Force - High Speed | 5856 lb / 26.1 kN |
Maximum Traction Force - Low Speed | 14035 lb / 62.4 kN |
Travel Speed - High | 3.1 mile/h / 5 km/h |
Travel Speed - Low | 1.9 mile/h / 3.1 km/h |
Weight Increase from Minimum Configuration | |
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Counterweight | 552 lb / 250 kg |
Long Stick | 181 lb / 82 kg |
Steel Tracks with Pads | 628 lb / 285 kg |
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