| Formula | System | Code | Alternate | Name | Suffix | Manufacturer | Manufacturer Code | Manufacturer Name | Years |
|---|---|---|---|---|---|---|---|---|---|
| 928N72092 | 928 | 72092 | GRAY | A | Ford Motor Co. | E | GRAY | 1954 | |
| 928N72890 | 928 | 72890 | GRAY | A | General Motors | GM: 723 | GRAY | 1989 | |
| 928N3072 | 928 | 3072 | GRAY | B | Mack Truck | GRAY | |||
| 928NN1960 | 928 | N1960 | GRAY | A | Kenworth Truck Co. | GRAY | |||
| 928NP402 | 928 | P402 | GRAY | A | Dallman | GRAY | 2003 | ||
| 928NP409 | 928 | P409 | GRAY | A | Dallman | GRAY | |||
| 928NP406 | 928 | P406 | GRAY | A | Dallman | GRAY | |||
| 928NP414 | 928 | P414 | GRAY | A | Dallman | GRAY | 2003 | ||
| 928NP421 | 928 | P421 | GRAY | A | Dallman | GRAY | 2003 | ||
| 928NP427 | 928 | P427 | GRAY | A | Dallman | GRAY | 2003 | ||
| 928NP428 | 928 | P428 | GRAY | A | Dallman | GRAY | 2003 | ||
| 928NP430 | 928 | P430 | GRAY | A | Dallman | GRAY | |||
| 950N57704 | 950 | 57704 | GRAY | X | Ford Motor Co. | X-0305-C | GRAY | 1992 | |
| 950N72890 | 950 | 72890 | GRAY | C | General Motors | GM: 723 | GRAY | 1989 | |
| 950N72092 | 950 | 72092 | GRAY | C | Ford Motor Co. | E | GRAY | 1954 | |
| 150N72092 | 150 | 72092 | GRAY | A | Ford Motor Co. | GRAY | |||
| 950NP425-A1 | 950 | P425 | A1 | GRAY | C | Dallman | GRAY | ||
| 990N72092 | 990 | 72092 | GRAY | B | Ford Motor Co. | E | GRAY | 1954 | |
| 990NP431 | 990 | P431 | GRAY | B | Dallman | GRAY | 2003 | ||
| 990NP400 | 990 | P400 | GRAY | B | Dallman | GRAY | 2003 |