Forestry forwarder Gremo AB
16 730kg - 191hp

The Gremo forwarder 1350VT is equipped with a continously working and variable speed hydrostatic transmission called Gre- VT (Grevete). Gre- VT is another leap forward in technology that Gremo has been the first to introduce on forestry machines. The unique transmission cuts the working cycles and by that increases performance and profibility. The hydrostat pump drives two hydrostat motors mechanically connected to the cardan shaft via a gearbox.

The driver does not have to shift gear, but can select the speed range, either 0-11.8 km/h or 0-25 km/h. Driving position 1 has always both motors engaged. This position is selected, if the speed should not exceed 11.8 km/h. In driving position 2 both hydrostat motors are still engaged from start, but the larger of those two is disengaged automatically as soon as the speed exceeds 11.8 km/h. Engaging and disengaging are controlled by GreControl, a software developed by Gremo.

The unique feature with this system is the fact that the Gremo 1350VT is able to run at 0-25 km/h without being interrupted by gear shift and with maximum pulling force. Thus it is possible to start with maximum pulling force even in driving position 2 The pulling force amounts to fully 18.4 kN, and the system submits higher pulling force across the speed range.

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