Sway is not a driving-style problem you can talk away after delivery — it is a geometry and mass problem, and nearly every variable that decides it is fixed at the factory. An off-road caravan that tracks straight is one whose axle position, coupling load, suspension and tyres were specified together.

Why an off-road caravan starts to sway

A caravan is a mass pivoting on the coupling. Once the combination is at speed, any yaw input — a crosswind, a truck passing, a downhill curve — loads a pendulum whose resistance comes from how much weight sits on the coupling, where the mass sits relative to the axle, and how well dampers and tyres control the movement. Off-road builds raise the centre of gravity by design: taller ride height, larger wheels, roof equipment, heavier water and battery packages.

Two of the levers belong to the owner: how the caravan is loaded and how fast it is towed. A 16ft model carries up to 160 litres of fresh water in two tanks, and filled in the wrong place that weight rewrites the towball figure the unit was specified around. The loading guide you hand over is part of the product.

What is fixed before the container leaves

• Axle position and drawbar length. Set by the model and layout. Re-positioning an axle after arrival means re-engineering brakes, plumbing and floor structure, and it invalidates the weight data the unit was registered with.
• Towball weight. Published per model: the three 16ft hard-top versions are listed at approximately 196kg, 208kg and 200kg against tare weights of roughly 2,320–2,370kg and a 3,000kg ATM. Those are empty figures — loaded weight is what your customer's towbar carries, and every option moves it.
• Suspension and dampers. The 16ft hard-top range is documented with independent trailing-arm suspension and four shock absorbers; the 21ft model uses X-TRACK independent coil spring suspension. Dampers wear, so part numbers and local availability matter as much as the design.
• Tyres. Mid-size export models are listed with 265/75 R16 mud-terrain tyres on 16-inch rims. Load-rated light-truck construction is doing stability work, not just traction.
• Stability aids. Documented per model, not across the range. The 21ft off-road caravan with electronic stability control lists ESC, an emergency breakaway system and a coupling lock among its safety features, while the 16ft hard-top listings document a breakaway system, 12-inch electric brakes and four heavy-duty lockable drop-down stabiliser legs.

What to put in writing before you order

• Coupling brand and rating matched to the ATM — from DO35 on the 16ft models to a DO45 rated at 4,500kg on the 21ft.
• Towball weight at tare for the exact build, plus an estimate once your options are added.
• Whether the drawbar has provision for the weight-distribution hardware and hitch locks sold in your market.
• Damper, tyre, brake and coupling part numbers, and which of them you will hold as spare stock.
• A one-page loading guide for customers: heavy items over or ahead of the axle, tanks filled last, and the tow-speed guidance that applies where they travel.

Stability is cheaper to sell than to repair

Stability complaints arrive as warranty work and are expensive to answer after the fact — the unit is far from the factory, the tow vehicle belongs to the customer, and the diagnosis needs a road test. Importers who quote the loaded towball figure, hand over a loading guide and keep dampers and tyres on the shelf turn fewer of those into claims. LZM builds off-road caravans in China for export to Australia, New Zealand and the United States, and the published range of off-road caravans for sale sets out towball weight, tare, ATM, suspension, coupling and stability equipment by model.

【 Go Back 】 | 【 Print 】