Technical data. Manufacturer: Müller Mitteltal. Model: EDU-TA. Vehicle type: Trailer. Construction type: Dumper, open box. First registration: 24.09.1971. Factory number: 14.708. Permissible total weight: 7,500 kg. Payload: 5,400 kg. Tires: 10,5 - 20 PR 10. Dimensions overall: L x W x H: 5,700 x 2,150 x 1,650 mm. Cargo area: approx. 3,950 x 2,000 x 400 mm. Documents: Registration certificate Part 1 and Part 2. Equipment details. 2 axles. Trailer coupling with drawbar. 7-pin connection.