Parking Brake Drum: Specifications
| Manufacturer | Budurus or alternatley Volvo |
| Maximum allowed rotational variation | 0.08 Millimeter (mm) |
| Inside diameter | 160 Millimeter (mm) |
| Maximum allowed inside diameter | 10 threads showing on adjusting unit The brake drum and/or shoes are replaced when more than 10 threads are visible on the adjusting unit. |