Uploaded August 2025 | Updated September 2026, 2 weeks ago

---

What exactly is a differential lock, and what is an axle differential lock? Do you need them for today's vehicles, and if so, front, rear or both? All answered here with driven examples.

More information:

1. What about torque-biasing diffs? Explained here with demoes youtu.be/xWRfPuCgxhg?si=C80Eui6I0dI3x65e
2. What about brake traction control in more details? youtu.be/gwFsLgsXlsc?si=hSdfZwqFrQ8ME-W-
3. Why do I call them axle lockers? l2sfbc.com/thats-not-triple-locked
4. Lockers and descents youtu.be/lFB7JhwSCdU?si=zwdR-5Vptzr6nqzu
5. Three types of "traction control" youtu.be/_CqkDLo1owA?si=m7i_W0cbDUg1LEtM

Join this channel to get access to perks:
youtube.com/channel/UCMszYFGrHDh4myHOnYentew/join

Post questions as comments!

Follow me on Facebook:
facebook.com/RobertPepperJourno

Support me on Patreon:
patreon.com/L2SFBC

Buy my books:
l2sfbc.com/where-to-buy