Semco is testing the Australian market by releasing a hybrid version of the popular TB216 mini excavator. All-electric excavators have been available in Europe for some time, but have always carried the cost penalties of their batteries.
Now, Takeuchi has developed its first electric hybrid excavator, combining a diesel engine with an electric drive. The Takeuchi TB216H hybrid excavator introduces the concept to Australia in the sub-2-tonne excavator category.
According to Semco’s Graham Murphy: “The key benefit of the electric drive system is there is no noise and even more importantly, no carbon dioxide emissions. This means there are no toxic fumes and no pollution. And the machine can work relatively silently and indefinitely in a building basement area which otherwise would need complicated and expensive ventilation systems.”
The benefit of the hybrid drive system is that the operator can use the diesel engine to propel the machine to the job site and then connect a capillary line to an on-site 415V three-phase power outlet or generator set. The electric component of the machine is a completely independent system: when the operator switches from diesel to electric the hydraulic flow is switched to activation by the electric motor.
The electric drive system can also be retrofitted to existing TB216 excavators, where it is installed in the area usually occupied by the counterweight.
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