When approaching a signposted section with a steep uphill slope at the wheel of a truck, which gears is it advisable to select?

Question

DentroTest · Accepted Answer

When tackling a climb with a steep slope (usually marked by warning sign P-16b, "Steep hill upwards"), a heavy vehicle such as a truck needs a high delivery of torque to overcome the resistance caused by the inclined plane and the weight of the vehicle. For that reason, low gears must be engaged, which provide greater driving force and prevent the engine from dropping too far in revs or stalling. Using high gears on steep ramps would choke the engine for lack of thrust, and it is in no way an indifferent decision, since poor gear management compromises traction and driving safety.

When approaching a signposted section with a steep uphill slope at the wheel of a truck, which gears is it advisable to select?

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