T 665 ballot trailer for transporting bales, of the capacity of 7000 kg. The platform has two independent axles. Rear sprung axle. The trailer can take 33 roll bales of straw: 1.2x1.2 m. Bales are placed in 3 rows and two layers. Bales can be also transported in 2 rows and 2 layers, and then 22 bales are taken. The loading space can be lifted at 910 mm. The loading area of the trailer is 15.27 m2 and 20.8 m2 with side attachments.