Claas X-trac with Rolly Padal Tractor loader Specification.. This large tractor comes complete with a frontloader with tipping digger bucket, an opening bonnet and has a three position adjustable seat. For ages 3 years to average age 10. Mechanical features include a strong 12mm thick rear axle, covered integral fixed wheel chain drive, a pedal crank with eccentric bearing chain tensioning system and anti slip pedals,and a heavy duty front axle with suspension.