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  • 306E2 - Mini Excavators
  • 306E2 - Mini Excavators


The new Cat 306E2 Mini Hydraulic Excavator has been designed and built by Caterpillar to deliver exceptional superior performance, productivity, controllability and reliability at lower operating cost. The extremely fast, smooth and responsive hydraulic movement offers greater job accuracy and efficiency. The standard tail swing design incorporates a counterweight that extends further back on the machine to maximize the machine stability for lifting and digging. The 306E2 sets the standard for conventional tail swing excavators in the six-ton size class.

Engine Model
Cat® C2.4 (DI Turbo)
Net Power
34.7 kW
Operating Weight
5800 kg
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Standard Equipment
Engine Model Cat® C2.4 (DI Turbo)
Net Power 34.7 kW
Gross Power - 2,200 rpm 36.5 kW
Bore 87 mm
Displacement 2.4 cm³
Stroke 102.4 mm
Note 1 Meets China Stage II Nonroad emissions requirements.
Note 2 Net power rating per ISO 9249 and SAE J1349.
Standard Equipment
Operating Weight 5800 kg
Note Weight includes counterweight, steel track, 0.25 m3 bucket and operator.
Standard Equipment
Digging Force - Bucket 39 kN
Digging Force - Stick - Standard 28 kN
Maximum Pressure - Implements 25000 kPa
Main System - Maximum Flow 140 l/min
Standard Equipment
Machine Swing Speed 10.5 r/min
Swing Torque 14.2 kN·m
Standard Equipment
Width 1950 mm
Height 360 mm
Standard Equipment
Cooling System 8.3 l
Engine Oil 9.5 l
Hydraulic Tank 58 l
Fuel Tank 78 l
Hydraulic System 85 l
Standard Equipment
Travel Speed 2.8/4.3 km/h (1.7/2.7 mph)
Maximum Drawbar Pull 46.4 kN
Standard Equipment
Track Shoe Width - Standard 400 mm
Track Length 2440 mm
Number of Shoes - Each Side 38
Number of Track Rollers - Each Side 5
Number of Carrier Rollers - Each Side 1
Note Track shoe has four holes for pad shoe adoption.
Standard Equipment
Standard Bucket Size 0.25 m3 (0.33 yd3)