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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Net Power | 54.8 HP / 40.9 kW |
Displacement | 148 in³ / 2.43 l |
Gross Power - SAE J1995 | 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 |
Weights | |
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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. |
Dimensions - Long Stick | |
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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. |
Weight Increase from Minimum Configuration | |
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Long Stick | 181 lb / 82 kg |
Counterweight | 552 lb / 250 kg |
Steel Tracks with Pads | 628 lb / 285 kg |
Travel System | |
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Maximum Traction Force - Low Speed | 14035 lb / 62.4 kN |
Maximum Traction Force - High Speed | 5856 lb / 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 |
Service Refill Capacities | |
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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 |
Hydraulic System | |
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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 gal/min / 167 l/min |
Digging Force - Stick - Standard | 8504 lb / 37.8 kN |
Operating Pressure - Travel | 4134 psi / 285 bar |
Operating Pressure - Equipment | 4134 psi / 285 bar |
Digging Force - Stick - Long | 7579 lb / 33.7 kN |
Digging Force - Bucket | 12272 lb / 54.6 kN |
Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9 gal/min / 33 l/min |
Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134 psi / 285 bar |
Maximum Auxiliary Circuit - Primary - Flow at Pump | 35 gal/min / 131 l/min |
Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134 psi / 285 bar |
Swing System | |
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Machine Swing Speed | 10 r/min |
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 |
Top Guard | ISO 10262:1998 (Level I) |
Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Sound | |
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Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
Average Exterior Sound Pressure (ISO 6395:2008) | 98 dB(A) |
Note | European Union Directive “2000/14/EC” |
Air Conditioning System | |
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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 | |
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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. |
Sustainability | |
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Recyclability | 96% |
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