Finding the Smallest Transfer Case for Your Custom Build

If you're trying to squeeze 4WD capabilities into a project that barely has enough room for a battery, you're probably hunting for the smallest transfer case you can get your hands on. It's a common struggle for people building mini-buggies, custom rock crawlers, or doing weird engine swaps where space is at a premium. When you're working with a cramped chassis, every inch counts, and the massive hunks of iron found in full-sized trucks just aren't going to cut it. ...

February 22, 2026 · 7 min · Kathi Stefan