The Doosan DX17Z is described as a zero house swing mini-excavator, or ZHS, offering easy transportability and even more functionality than a zero tail swing (ZTS) mini-excavator, in that ZHS fully protects the front upper structure corners within the swing circle as well as the tail. As a result, ZHS functionality provides 320° of free rotation while working close to any object.
Doosan says that the DX17Z is best-in-class compared to other ZTS machines on the market as it is based on:
• A retractable undercarriage – when fully retracted, the undercarriage allows the excavator to go through narrow spaces; and when fully expanded, it provides optimum stability for the excavator − especially when working over the side. Expansion and retraction are simple and easy via an electric switch on the control panel.
• Long dozer blade (optional) – as well as helping to perform dustpan operations, the optional long dozer blade also improves front stability, enabling the operator to make full use of the breakout forces.
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Stability is optimised by expanding the retractable undercarriage and using the long dozer blade.
The DX17Z is also offered with an optional certified 'object handling device', which consists of a boom load holding valve, an arm load holding valve, a hooking device and an overload warning device.
The DX17Z has a standard operating weight of 1749 kg and a maximum digging depth of 2249 mm. With a transport weight of less than 1.65 tonne, the DX17Z is towable on trailers for 2200 kg of total weight. Upper-structure tie-down points aid transportability. An automatic slew brake also helps here.