| Owner: | Canadian National Railway |
| Type: | Chassis |
| AAR Class: | : |
| AAR Type: | Z142 |
| Detail Info: | Trailers, Chassis (Refer to Second and Third Numeric under Chassis), 40 ft. to 53 ft. Extendible, outside length, O.S. Height 4'6" and under at locking plane, Tandem Width over 96" to 102" inclusive |
| Max Gross Weight: | 100000 |
| Load Limit: | 90000 |
| Ext L/W/H: | 48' 0" / 8' 6" / 4' 6" |
| User Notes: | Load Limit: 90000 |
