Patent ID: 8606456

Claim:
A method for propelling an articulated tracked vehicle provided with at least a front and rear vehicle portion, the method comprising: propelling a vehicle comprising: a front drive shaft, which rotates a front track on the front vehicle portion; a rear drive shaft, which rotates a rear track on the rear vehicle portion, the front drive shaft being disposed in the front vehicle portion and the rear drive shaft being disposed in the rear vehicle portion; at least one motor, which rotates the respective front and rear drive shaft in order thus to propel the vehicle at a speed in relation to a ground surface, wherein the front drive shaft is rotated at a first speed and the rear drive shaft is rotated at a second speed, which first and second speeds are different, so that the front and rear tracks rotate at different speed, and wherein the first and second speed of the drive shafts of the vehicle are chosen such that the vehicle is propelled with higher efficiency and drive power on the ground surface, when comparing to a driving condition when the drive shafts of the vehicle rotate at the same speed.