4WD vs AWD: How Four-Wheel-Drive Systems Work in Pickups
Part-time, full-time, automatic 4WD and crossover-style AWD all put power to four tires. Here's how each one does it, where each one runs out of talent, and which one fits your driving.
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Tag: transfer case
4-High vs 4-Low: When to Use Each and How to Shift Correctly
4-High is for traction at road-ish speeds. 4-Low is gear reduction for slow, steep, heavy work. Here's what each range really does, how fast you can go, and how to shift without grinding anything.
4×4 Maintenance Schedule: Differentials, Transfer Case and More
Gear oil, transfer case fluid, U-joints, CV boots and the rest of the driveline: what to check, how often, and what off-road use and towing change.