Lego 4x4 Climbing

A lightweight and compact model for moderate off-road fun. The main feature is its unique all-wheel drive system that powers both rear wheels and the front axle differential. In this short video, you can see how well the model climbs hills on different surfaces. It uses a rear axle with 12:28 gearing instead of the 12:20 in the standard version.
Weighing about 1.2 kilograms, this model has a speed similar to the stock Lego Technic 42160 set but with way better off-road capabilities and playability, all with the same number of motors.
The free Controlz app, available in the App Store and Google Play, is perfect for controlling this model.
You can find free instructions, including a step-by-step guide to setting up the control profile in Controlz, here:
reb.li/m/186485
reb.li/m/186574 (Audi 42160 electric adaptation and another version of front axle)
reb.li/m/186875 (Rear axle with 12:28 gearing)
Background Tracks:
Switch It Up - Silent Partner
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[@Sauci55on]

Great stable chassis but this needs locked diffs to perform better on climbs

[@willparry]

Try some tractor tyres on it?

[@SimplyLegoTechnic]

I haven't tried it. This is possible with the wheels from the 42129 set. But on flat hard surfaces, such tires drive with great resistance.