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307.5 Mini Hydraulic Excavator

307.5 Mini Hydraulic Excavator

At a Glance

Net Power
55.9 HP
Operating Weight
18152 lb
Dig Depth
183 in
Engine Model
Cat C2.4 Turbo
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Overview

Engine

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Net Power 55.9HP
Engine Model Cat C2.4 Turbo
Stroke 4in
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 55.9HP
Gross Power - ISO 14396 57.9HP
Displacement 148in³
Bore 3.4in

Weights

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Operating Weight 18152lb
Maximum Operating Weight with Cab** 18152lb
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Minimum Operating Weight with Cab* 16605lb

Dimensions - Long Stick

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Dig Depth 183in
Width over Upper House 89in
Tail Swing without Counterweight 71in
Tail Swing with Counterweight 79in
Swing Bearing - Height 30in
Stick Length 87in
O/A Undercarriage Length 109in
Vertical Wall 162in
Transport Height 105in
O/A Track Width 87in
O/A Shipping Length 246in
Maximum Reach 268in
Maximum Dump Clearance 225in
Maximum Dig Height 305in
Maximum Blade Height 14in
Maximum Blade Depth 16in
Ground Clearance 15in
Cab Height 100in
Boom In Reach 89in
Track Belt/Shoe Width 18in
Maximum Reach - Ground Level 263in

Blade

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Height 17in
Width 90in

Weight Increase from Minimum Configuration

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

Dimensions - Standard Stick

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Boom In Reach 66in
Width over Upper House 89in
Vertical Wall 142in
Transport Height 101in
Track Belt/Shoe Width 18in
Tail Swing without Counterweight 71in
Tail Swing with Counterweight 79in
Swing Bearing - Height 30in
O/A Undercarriage Length 109in
Stick Length 66in
O/A Track Width 87in
O/A Shipping Length 242in
Maximum Reach - Ground Level 242in
Maximum Reach 248in
Maximum Dump Clearance 208in
Maximum Dig Height 289in
Maximum Blade Height 14in
Maximum Blade Depth 16in
Ground Clearance 15in
Dig Depth 162in
Cab Height 100in

Travel System

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Ground Pressure - Maximum Weight 5psi
Travel Speed - Low 1.9mile/h
Travel Speed - High 3.1mile/h
Maximum Traction Force - Low Speed 14035lb
Maximum Traction Force - High Speed 5856lb
Ground Pressure - Minimum Weight 5psi
Gradeability - Maximum 30 degrees

Hydraulic System

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Operating Pressure - Equipment 4134psi
Digging Force - Stick - Standard 8504lb
Digging Force - Stick - Long 7579lb
Digging Force - Bucket 12272lb
Auxiliary Circuit - Secondary - Pressure 4134psi
Auxiliary Circuit - Secondary - Flow 9gal/min
Auxiliary Circuit - Primary - Pressure 4134psi
Auxiliary Circuit - Primary - Flow 35gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 44gal/min
Operating Pressure - Travel 4134psi
Operating Pressure - Swing 3626psi

Swing System

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Machine Swing Speed 10r/min

Sound

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

Service Refill Capacities

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Hydraulic Tank 14gal (US)
Hydraulic System 27gal (US)
Fuel Tank 38gal (US)
Engine Oil 2.5gal (US)
Cooling System 2.6gal (US)

Certification - Cab

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