Model Suffix - Designation Cross Reference
Pre-Mack
| MODEL SUFFIX | DESIGNATION |
|---|---|
| T | Twin Carburetors (ex 154T) |
| TS | Twin Carburetors with Setback Axle (ex 154TS) |
| WD | Down Draft Carburetor (ex 154WD) |
Post-Mack
| MODEL SUFFIX | DESIGNATION |
|---|---|
| T | Single Axle Tractor |
| L | Single Axle Cargo or Straight |
| LF | Tandem Axle |
| LL | Tandem Axle Cargo or Straight |
| LLL | Tri Axle Cargo or Straight |
| LQ | Tandem Axle |
| TL | Tandem Axle Tractor |
| LFOH | Off Highway |
| LROH | Off Highway |
