Auxiliary gear box adapted for use with the transmissions of off-road vehicles

1 . A Auxiliary Gear Box comprising:

an Adapter Gear Housing, and a Transfer Case Adapter;

the Adapter Gear Housing comprises a Transmission Interface Surface, and a Posterior Surface;

the Transmission Interface Surface comprises a plurality of bored holes positioned and sized to mate with a Transmission;

the Transfer Case Adapter is in communication with the Posterior Surface of the Adapter Gear Housing.

2 . The Auxiliary Gear Box of claim 1 further comprising a Planetary Assembly and an Input Gear; the Planetary Assembly comprises a plurality of planetary gears; the Input Gear is splined to mate with the Planetary Assembly.

3 . The Auxiliary Gear Box of claim 2 wherein the Planetary Assembly comprises six planetary gears.

4 . The Auxiliary Gear Box of claim 2 wherein the Planetary Assembly comprises three planetary gears.

5 . The Auxiliary Gear Box of claim 2 wherein the Input Gear is a helical gear.

6 . The Auxiliary Gear Box of claim 1 further comprising an Annulus Gear.

7 . The Auxiliary Gear Box of claim 1 further comprising a Shifter Assembly; the Shifter Assembly is comprised of a shifter housing, and a shift fork.

8 . The Auxiliary Gear Box of claim 1 further comprising a shifter slider and an Output Shaft; the Output Shaft comprises a splined section; the splined section of the Output Shaft enables the shifter slider to move freely to engage into a low gear ratio and into the direct gear ratio.

9 . The Auxiliary Gear Box of claim 1 further comprising a Transfer Case Adapter Plate; the Transfer Case Adapter Plate is in communication with the Posterior Surface of the Adapter Gear Housing; the Transfer Case Adapter Plate is comprised of a First Lip and a Second Lip; the First Lip is in communication with a Transfer Case.