Husqvarna Terrain Kit (Wheel Spikes Upgrade)

Update 2026-05-17:

Husqvarna 5-series receives an updated version with increased durability

Turn your Husqvarna into a tank (at least in terms of terraincapabilities)

If your Husqvarna automower struggles with uneven ground, loose soil, or overgrown patches, this terrain kit is the ultimate upgrade. Designed with the rear wheel drive Husqvarna 3 -series and 5-series in mind.

The stock wheels can sometimes slip, causing the robot to dig holes or get stuck. These add-on spikes attach to the outer rim of the wheels, aggressively gripping the ground.

Performance Upgrade: Once installed, the difference is night and day. This upgrade greatly improves terrain capabilities. The mower will now plow through grass taller than the mower itself like a tank, without losing traction.

Design: The design fits perfectly on the outside of the wheel. The screw drills through the wheel in the reinforced area. To make printing easier and to fit standard print beds, the ring is designed as three separate objects that lock together with screws.

Build Instructions

• Material: PETG or a similar durable, UV-resistant filament is highly recommended. PLA may deform in the sun or crack under mechanical stress.

• Settings: Durability is key here. The harder and stiffer the part, the better it performs.

  • Increase your Perimeters (Walls).

  • Increase Top and Bottom layers.

  • Use a higher Infill %.

• File: The included .3mf file contains the specific print settings I used for success.

Installation

1. Print the three pieces of the terrain ring.

2. Drill holes in the wheel.

3. Place the assembled ring against the outside of the robot mower's wheel.

4. Connect the pieces using screws (preferrable with a lock nut and shim on the far side.

5. Enjoy the upgrade.