This 4×4 system utilizes a 2-speed Electronic Shift On the Fly (ESOF) transfer case which is also knows as a part-time” system. It offers the driver 2. 4H, and 4L as available modes of operation. When either 4H or 4L are selected, the system provides mechanically locked four-wheel drive power to both the front and rear axles for use in off-road or slippery conditions such gearing for increased torque multiplication for conditions like deep sand, as deep sand or mud. When 4L is selected, the system provides additional steep grades, or pulling heavy objects