Project Zomboid B42 Towing: Stop Jackknifes, Get Home
Project Zomboid B42 Towing: Make Trailers Behave, Stop Jackknifes, and Actually Get Home

In Build 42, towing can feel less like “hook up a trailer” and more like “drag a refrigerator across carpet”—slow, twitchy, and occasionally insulting. The
good news: you can still tow, but you’ll get the best results by (1) attaching the trailer the right way, (2) driving it like you’re hauling something
fragile, and (3) using a quick A/B test to see whether your build is in a “reverse-tow works” mood. If you just want the steps, hit [Jump to
Quick-Start](#quick-start) and treat everything else as troubleshooting ammo.
What’s going on with B42 towing (the 30-second reality check)
Players have been reporting for multiple B42 unstable versions that towing can be incredibly slow, or that the trailer behaves like it’s glued to the pavement, or that it whips around and jackknifes on turns. The “is it fixed yet?” threads keep popping up for a reason: depending on your vehicle, trailer type, and the exact B42 sub-version, towing can range from “fine-ish” to “why am I doing this to myself?”
That means your plan shouldn’t be “always tow everything.” Your plan should be:
- Do a controlled test (empty trailer, flat road, low speed).
- Decide whether vanilla is usable on your current build.
- Only then commit to hauling your generator, antique oven, and your entire VHS library through a forest of wrecks.
Quick-Start
This is the minimum-viable procedure that avoids 80% of the “I attached it and now I’m stuck” pain.
Pick a flat test area. Parking lots are perfect: wide turns,
predictable traction, easy resets.
Line up dead straight first. If you start the hitch at an
angle, you’re already feeding the jackknife.
Attach the trailer via the vehicle interaction. Many players use
the Vmenu flow; you should see an attach option when you’re positioned correctly.
Start with an empty trailer. Yes, even if you’re “just moving it
two blocks.” First you’re testing physics, not hauling loot.
Do the “Reverse-Tow A/B Test.” (It’s dumb, but it’s fast.)
If vanilla still fights you, stop and pivot to a mod solution
before you build your run around towing.
Reverse-Tow A/B Test (project zomboid b42 towing)
Goal: Find out whether your current B42 setup behaves better forward or reverse.
1) Attach EMPTY trailer.
2) Forward test: 30 seconds at low speed, gentle steering only.
3) Stop. Reverse test: 30 seconds at low speed, gentle steering only.
4) Compare:
- Does one direction “unstick” the trailer?
- Does one direction reduce oscillation/jackknife?
5) Pick the direction that behaves and plan your route/turns around it.
Attaching a trailer (what the UI is trying to tell you)
Attaching is the easy part—B42 towing is what gets weird.
- Approach the trailer and position your vehicle so the hitch is aligned.
- Use the vehicle interaction flow (often via
V) and look for Attach Trailer. - If you don’t see it, reposition by inches, not meters. Trailer hitches are picky.
Driving technique that keeps B42 towing from going feral
Think “slow and boring,” not “Mad Max.”
- Steer like you’re threading a needle. Tiny corrections beat big wheel swings.
- Make turns wide and early. Late turns are how you feed the trailer a perfect jackknife angle.
- Avoid throttle changes mid-turn. If the trailer starts to swing, stabilize first, then accelerate.
- Plan your stops. Sudden braking + an angled trailer is a recipe for a slap-fight.
If your towing feels “stuck,” treat it like traction is the limiting factor:
- Start moving in a straight line before you try to turn.
- If it fights you, stop and re-straighten rather than muscling through.
Troubleshooting table: symptoms → likely cause → what to try next
| Symptom | Likely Cause | What to try (in order) |
|---|---|---|
| Current build’s towing feel is off; trailer “drag” feels extreme | Empty-trailer test → straight-line start → reverse-tow A/B test → mod solution | |
| Starting angled; steering too aggressive; speed too high | Re-align dead straight → turns wider/earlier → reduce speed → avoid mid-turn throttle | |
| Hitch not aligned; interaction range is picky | Reposition in small increments → ensure you’re at the hitch point → retry via V menu |
|
| Weight exaggerates instability and slow start | Test loaded in a parking lot → split loads → prefer multiple short trips | |
| The notorious “directional towing” behavior some players report | Commit to whichever direction is stable for this build/session | |
| Physics gets violent when trying to yank a stuck vehicle | Use a tow-capable mod/tooling approach; don’t brute-force in traffic |
The mod toolbox (when you’re done arguing with vanilla)
If you’re playing B42 and towing is part of your actual plan (not a novelty), mods are the cleanest pressure release valve. One popular starting point is a mod explicitly aimed at making towing easier, with companion “car physics” tweaks mentioned alongside it.
Here’s how to approach mods without corrupting your save or your sanity:
| Mod/Tool | What players use it for | When to choose it | Cautions |
|---|---|---|---|
| Effortless Towing (Workshop-linked in the mod post) | Make towing “less awful” in B42 | You want towing to be a core loop | Test on a backup save first |
| Better/Realistic Car Physics (mentioned alongside) | Smoother vehicle handling baseline | You feel all driving is too twitchy | Physics mods can change the entire feel |
| Tow-truck / towing utility mods (mentioned in community threads) | Controlled recovery pulls and towing experiments | You’re doing rescues/recovery more than hauling | Can change balance; may not match your server rules |
“Should I tow at all in B42?” (the honest answer)
If you’re on an unstable B42 build and you’re seeing the classic symptoms (glacial speed, snap turns, weird direction dependence), treat towing as situational:
- Use it for short, controlled moves (parking lot → base).
- Avoid it for cross-town logistics unless you’ve tested it.
- If your run depends on it, commit to a mod setup so you’re not gambling every session.
FAQ
Q: Is towing “broken” or am I doing it wrong? A: It can be both. The attach flow is straightforward, but multiple B42 community threads describe towing that’s extremely slow or unstable. If your empty-trailer test feels wrong, it might be the build rather than you.
Q: Why do people keep saying “tow in reverse”? A: Some players report that towing behavior changes dramatically depending on direction, to the point where reverse towing can feel more workable. It’s worth a 60-second A/B test before you plan a haul.
Q: What’s the safest towing mindset for survival runs? A: Assume towing is a “high variance” mechanic on B42 unstable. Test first, then haul; if towing is central to your run, mod it into reliability.
Closing thoughts (and the analogy that’ll save your bumper)
B42 towing is like trying to carry a couch with a friend who refuses to lift their end: every sharp turn is a negotiation, and every burst of speed is you daring the universe to punish you. The trick isn’t to drive “better”—it’s to drive boringly: straight first, wide turns, gentle inputs, and a quick reality-check test before you stake a whole supply run on a trailer behaving.
Action Steps Recap: Attach straight, run the reverse-tow A/B test, drive slow and wide, and switch to a towing/physics mod set if vanilla won’t cooperate.
7) Patch-History (Collapsible)
Build 42 trailer/towing-adjacent patch notes (selected)
| Date | Change Note | Impact on early-game priorities |
|---|---|---|
| 2025-09-25 | Unstable 42.12.0 includes fixes mentioning the “base vehicle trailer” (e.g., shader/visual issues) | Treat towing/trailers as a moving target between minor builds; re-test after updates before hauling loot |
| 2025-03-24 | Unstable 42.6.0 includes trailer-related bug fixes (e.g., animals in trailers birthing issues) | Confirms ongoing trailer system churn; keep early-game logistics flexible and don’t hinge your run on towing alone |