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307E2 Mini Hydraulic Excavator

307E2 Mini Hydraulic Excavator

At a Glance

Engine Model
Cat® C2.4 Turbo
Net Power
50.6 HP
Operating Weight
16028 lb
Operating Weight - With Cab
16028 lb
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The Cat® 307E2 Mini Hydraulic Excavator delivers high performance, durability and versatility in a standard tail swing design to help you work in a variety of applications.


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Engine Model Cat® C2.4 Turbo
Net Power 50.6HP
Displacement 146.5in³
Stroke 4in
Note Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 50.6HP
Gross Power - ISO 14396 53.1HP
Bore 3.4in


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Operating Weight 16028lb
Operating Weight - With Cab 16028lb
Note (2) Weight varies depending on machine configuration.
Note (1) Weight with steel tracks with rubber pads, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.

Swing System

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Machine Swing Speed 10.2r/min
Note Automatic swing break, spring applied, hydraulic release.


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Width 90.6in
Height 17.5in
Dig Depth 15.3in
Lift Height 13.8in

Service Refill Capacities

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Cooling System 3.7gal (US)
Engine Oil 2.9gal (US)
Hydraulic Tank 13.5gal (US)
Fuel Tank 35.7gal (US)
Hydraulic System 20.6gal (US)

Travel System

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Ground Pressure 4.92psi
Travel Speed - Low 1.99mile/h
Travel Speed - High 3.17mile/h
Maximum Traction Force - Low Speed 13331lbf
Maximum Traction Force - High Speed 7599lbf
Gradeability - Maximum 20°
Note (3) Straight line travel when tracking and operating the front linkage simultaneously.
Note (2) Drive modules are integrated into the roller frame for total protection.
Note (1) Each track is driven by one independent 2-speed motor.

Hydraulic System

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Auxiliary Circuit - Primary (280 bar/4,061 psi) 33.8gal/min
Pump Flow at 2,400 rpm 40.9gal/min
Operating Pressure - Travel 4061psi
Operating Pressure - Swing 4061psi
Operating Pressure - Equipment 4061psi
Note Load sensing hydraulics with variable displacement piston pump.
Digging Force - Stick - Standard 8340lbf
Digging Force - Bucket 11375lbf
Auxiliary Circuit - Secondary (280 bar/4,061 psi) 8.7gal/min


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Track Roller Type Center flange
Number of Track Rollers 5 per side
Number of Carrier Rollers 1 per side

Dimensions - Standard Stick

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Vertical Wall 11.9ft
Track Belt/Shoe Width 1.5ft
Tail Swing - Standard Counterweight 5.7ft
Swing Bearing - Height 2.5ft
O/A Undercarriage Length 9ft
O/A Track Width 7.2ft
O/A Shipping Length 19.9ft
O/A Shipping Height 8.6ft
Maximum Reach - Ground Level 20.2ft
Maximum Reach 20.7ft
Maximum Dump Clearance 17ft
Maximum Dig Height 23.8ft
Maximum Blade Height 1.3ft
Maximum Blade Depth 1.1ft
Dig Depth 13.4ft
Boom In Reach 5.5ft
Boom Height - Shipping Position 8.6ft


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Average Exterior Sound Pressure 98 dB(A) ISO 6395 – Dynamic Test

Operating Specifications

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Stick Length - Standard 5.5ft
Machine Overhang 1.2ft