Andersen Hitches
Andersen Camper Leveler: leveling tires in half-inch steps, up to 4 inches
A curved drive-on leveler. The 3604 listing says it levels from 1/2 inch to 4 inches on tires up to 32 inches, for trailers up to 30,000 pounds. One leveler lifts one tire, so the low side of a tandem needs a pair.
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9.1/10 RigRank score
Andersen's 3604 listing is the one that states the range we care about: any increment from 1/2 inch to 4 inches, tires up to 32 inches in diameter, trailers up to 30,000 pounds. You drive the low-side tire up the curve until a level says the floor is where you want it, then chock. That is a different job from stacking blocks, and it is faster when the only problem is tire height.
The listing we use as the default link is the 3644 two-pack with a bag (B076VQMZPD). A single 3604 (B001GC2LVM) levels one tire. The low side of a two-axle trailer has two tires. Buy a pair unless you already own one. The single with a rubber mat (B07JP5H9SQ) is the same idea plus a grip mat for hard surfaces. These are separate Amazon listings; confirm you are looking at a pair before you check out.
The 4-inch ceiling is the real limit. If the calculator says the low side needs more than 4 inches, an Andersen leveler cannot honestly finish the job. Move the rig, or dig the high side down, instead of stacking a block on top of the curve. The leveler also does nothing for a tongue jack or a stabilizer. Those still want a block or a pad.
We have not driven a tire onto one for this review. The score is for the geometry the listing publishes: half-inch control, a hard stop at 4 inches, and a shape that keeps the tire in a cradle instead of on a stack of loose cubes. It loses points because you still need a second product for jacks, and because one leveler is not a set.
What the listing actually says
| Rise | 1/2 in to 4 in (3604 listing) |
|---|---|
| Tire diameter | Up to 32 in (3604 listing) |
| Trailer weight | Up to 30,000 lb (3604 listing) |
| Default listing | 3644 two-pack, B076VQMZPD |
| Checked | Live Amazon listing on 2026-11-10. In stock that day. |
Works in its favor
- 3604 listing: 1/2-inch to 4-inch rise, tires to 32 inches, trailers to 30,000 pounds
- Drive on and chock, instead of building a stack under the tire
- Two-pack listing includes a bag
Holds it back
- Stops at 4 inches. A worse slope needs a different site
- One unit is one tire. Tandems need two
- Not a pad for a tongue jack or stabilizer
Which listing to open
- 3644 two-pack with bag B076VQMZPD on Amazon
- 3604 single leveler B001GC2LVM on Amazon
- Single leveler with rubber mat B07JP5H9SQ on Amazon
Questions worth answering first
Do I need one Andersen leveler or two?
One leveler under one tire. The low side of a single-axle trailer can be one tire if you are only lifting that corner, but a tandem low side is two tires and wants two levelers. The 3644 listing is a two-pack.
Can I stack a block on an Andersen leveler to get past 4 inches?
No. The published range stops at 4 inches. Past that, move the RV or lower the high side. A mixed stack is how tires walk off.
See where this sits in the Best RV Leveling Gear in 2026 roundup.