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307.5 Mini Hydraulic Excavator

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.

Operating Weight 8120 kg
Maximum Operating Weight with Cab** 8120 kg
Minimum Operating Weight with Cab* 7505 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.

Dig Depth 4642 mm
Boom In Reach 2250 mm
Cab Height 2541 mm
Ground Clearance 370 mm
Height - Boom Transport - No Tools 2550 mm
Height - Boom Working - With Tools 3150 mm
Maximum Blade Depth 407 mm
Maximum Blade Height 370 mm
Maximum Dig Height 7765 mm
Maximum Dump Clearance 5717 mm
Maximum Reach 6805 mm
Maximum Reach - Ground Level 6670 mm
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 2200 mm
O/A Undercarriage Length 2760 mm
Overall Shipping Length - with Counterweight 6250 mm
Overall Shipping Length - without Counterweight 6120 mm
Stick Length 2208 mm
Swing Bearing - Height 756 mm
Tail Swing with Counterweight 1930 mm
Tail Swing without Counterweight 1800 mm
Track Belt/Shoe Width 450 mm
Vertical Wall 4113 mm
Width over Upper House 2250 mm

Net Power 40.9 kW
Engine Model Cat C2.4 Turbo
Bore 87 mm
Stroke 102.4 mm
Displacement 2.43 l
Gross Power - SAE J1995 43.2 kW
Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 40.9 kW

Width 2280 mm
Height 431 mm

Fuel Tank 145 l
Cooling System 10 l
Engine Oil 9.5 l
Hydraulic System 110 l
Hydraulic Tank 53 l

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.

Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Top Guard ISO 10262:1998 (Level I)

Boom In Reach 1681 mm
Cab Height 2541 mm
Dig Depth 4100 mm
Ground Clearance 370 mm
Height - Boom Transport - No Tools 2570 mm
Height - Boom Working - With Tools 2730 mm
Maximum Blade Depth 407 mm
Maximum Blade Height 370 mm
Maximum Dig Height 7348 mm
Maximum Dump Clearance 5300 mm
Maximum Reach 6297 mm
Maximum Reach - Ground Level 6151 mm
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 2200 mm
O/A Undercarriage Length 2760 mm
Overall Shipping Length - with Counterweight 6230 mm
Overall Shipping Length - without Counterweight 6100 mm
Stick Length 1665 mm
Swing Bearing - Height 756 mm
Tail Swing with Counterweight 1930 mm
Tail Swing without Counterweight 1800 mm
Track Belt/Shoe Width 450 mm
Vertical Wall 3597 mm
Width over Upper House 2250 mm

Digging Force - Bucket 54.6 kN
Digging Force - Stick - Long 33.7 kN
Digging Force - Stick - Standard 37.8 kN
Maximum Auxiliary Circuit - Primary - Flow at Pump 131 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 285 bar
Maximum Auxiliary Circuit - Secondary - Flow at Pump 33 l/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 285 bar
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment 285 bar
Operating Pressure - Swing 250 bar
Operating Pressure - Travel 285 bar
Pump Flow at 2,400 rpm 167 l/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump

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)

Machine Swing Speed 10 r/min

Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 37.7 kPa
Ground Pressure - Minimum Weight 34.8 kPa
Maximum Traction Force - High Speed 26.1 kN
Maximum Traction Force - Low Speed 62.4 kN
Travel Speed - High 5 km/h
Travel Speed - Low 3.1 km/h

Counterweight 250 kg
Long Stick 82 kg
Steel Tracks with Pads 285 kg

Recyclability 96%

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