It's a machine that packs plenty of punch, despite its small size.

Unveiled last year, the Alstor 850 has finally arrived on the UK's shores.

Forestry Journal was invited for an exclusive first look at the machine in action as it thinned a Douglas fir woodland.

Keep an eye on our channel for lots more content. A full feature will be in July's edition of the magazine.

The video will appear at 4 pm on Saturday, June 8, on our YouTube channel. You can view it on the player below.