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307.5 Mini Hydraulic Excavator

307.5 Mini Hydraulic Excavator

At a Glance

Engine Model
Cat C2.4 Turbo
Net Power
54.8 HP
Operating Weight
17905 lb
Height
17 in
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Overview

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 54.8HP
Displacement 148in³
Bore 3.4in
Stroke 4in
Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 54.8HP
Gross Power - SAE J1995 57.9HP

Weights

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Operating Weight 17905lb
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** 17905lb
Minimum Operating Weight with Cab* 16549lb
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

Blade

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Height 17in
Width 90in

Dimensions - Long Stick

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Note (2) Boom Height when stick is pinned in working position with attachments.
Height - Boom Working - With Tools 124in
Note (1) Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - with Counterweight 246.1in
Overall Shipping Length - without Counterweight 240.9in
Height - Boom Transport - No Tools 100.4in
Dig Depth 182.8in
Cab Height 100in
Maximum Blade Height 14.6in
Track Belt/Shoe Width 17.7in
Maximum Dump Clearance 225.1in
O/A Undercarriage Length 108.7in
O/A Track Width 86.6in
Vertical Wall 161.9in
Width over Upper House 88.6in
Boom In Reach 88.6in
Stick Length 86.9in
Tail Swing with Counterweight 76in
Maximum Reach 267.9in
Ground Clearance 14.6in
Swing Bearing - Height 29.7in
Tail Swing without Counterweight 70.9in
Maximum Dig Height 305.7in
Maximum Blade Depth 16in
Maximum Reach - Ground Level 262.6in

Dimensions - Standard Stick

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Note (1) Boom Height when stick is pinned in transport position with no attachments.
Height - Boom Transport - No Tools 101.2in
Overall Shipping Length - without Counterweight 240.2in
Note (2) Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Overall Shipping Length - with Counterweight 245.3in
Height - Boom Working - With Tools 107.5in
Tail Swing with Counterweight 76in
Vertical Wall 141.6in
Tail Swing without Counterweight 70.9in
Stick Length 65.6in
Boom In Reach 66.2in
Track Belt/Shoe Width 17.7in
Ground Clearance 14.6in
O/A Track Width 86.6in
Maximum Reach - Ground Level 242.1in
O/A Undercarriage Length 108.7in
Width over Upper House 88.6in
Maximum Reach 247.9in
Swing Bearing - Height 29.7in
Maximum Blade Height 14.6in
Maximum Blade Depth 16in
Dig Depth 161.4in
Maximum Dump Clearance 208.6in
Cab Height 100in
Maximum Dig Height 289.3in

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.

Hydraulic System

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Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9gal/min
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626psi
Pump Flow at 2,400 rpm 44gal/min
Digging Force - Stick - Standard 8504lb
Operating Pressure - Travel 4134psi
Operating Pressure - Equipment 4134psi
Digging Force - Stick - Long 7579lb
Digging Force - Bucket 12272lb

Travel System

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Maximum Traction Force - Low Speed 14035lb
Maximum Traction Force - High Speed 5856lb
Travel Speed - High 3.1mile/h
Ground Pressure - Maximum Weight 5.5psi
Travel Speed - Low 1.9mile/h
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 5.1psi

Weight Increase from Minimum Configuration

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Long Stick 181lb
Counterweight 552lb
Steel Tracks with Pads 628lb

Service Refill Capacities

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Cooling System 2.6gal (US)
Hydraulic System 29gal (US)
Hydraulic Tank 14gal (US)
Fuel Tank 38gal (US)
Engine Oil 2.5gal (US)

Sound

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Operator Sound Pressure (ISO 6396:2008) 72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 98dB(A)
Note European Union Directive “2000/14/EC”

Swing System

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Machine Swing Speed 10r/min

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