| MODEL | INTERNAL | EXTERNAL (CLADDED) |
| 2.8 | 8ft 8,3/4in x 6ft 4in x 3ft 11,1/2in | 10ft 2,1/4in x 7ft 4,1/4in x 4ft 3/4in |
| 3.8 | 12ft x 6ft 4in x 3ft 11,1/2in | 10ft 2,1/4in x 7ft 4,1/4in x 4ft 3/4in |
| MODEL | INTERNAL | EXTERNAL (CLADDED) |
| 2.8 | 2670mm x 1930mm x 1180mm | 3290mm x 2175mm x 1200mm |
| 3.8 | 3670mm x 1930mm x 1180mm | 4290mm x 2175mm x 1200mm |
