| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | C81 | Direct Cross Interchange | 2 |
| ALLIS-CHALMERS | 548870 | Indirect Cross Interchange | 1 |
| Continental | 6542206 | Indirect Cross Interchange | 1 |
| NSN | 3030002395093 | Indirect Cross Interchange | 1 |
| IHC | 669456R1 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 517303 | Indirect Cross Interchange | 1 |
| New Holland | 165419 | Indirect Cross Interchange | 1 |
| NSN | 3030001375641 | Indirect Cross Interchange | 1 |
| IHC | 668307R2 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 4661816 | Indirect Cross Interchange | 1 |
| NSN | 3030000808764 | Indirect Cross Interchange | 1 |
| IHC | 668307R1 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 4616628 | Indirect Cross Interchange | 1 |
| NAPA | C81 | Indirect Cross Interchange | 1 |
| AGCO | 56226 | Indirect Cross Interchange | 1 |
| DEERE JOHN | N121116 | Indirect Cross Interchange | 1 |
| STUDEBAKER | 675228 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 1319947 | Indirect Cross Interchange | 1 |
| PIX Belts | C81 | Indirect Cross Interchange | 1 |
| DEERE JOHN | N120087 | Indirect Cross Interchange | 1 |
| NEW HOLLAND | 165419 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 1130177 | Indirect Cross Interchange | 1 |
| THERMOID | C81 | Indirect Cross Interchange | 1 |
| DEERE JOHN | AP14985 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 11301177 | Indirect Cross Interchange | 1 |
| BROWNING | C81 | Indirect Cross Interchange | 1 |
| CASE | 02566HT | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 0548870 | Indirect Cross Interchange | 1 |
| DAYCO | CP81 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 0517303 | Indirect Cross Interchange | 1 |
| GOODRICH | C81 | Indirect Cross Interchange | 1 |
| DAYCO | CK81 | Indirect Cross Interchange | 1 |
| JOHN DEERE | N121116 | Indirect Cross Interchange | 1 |
| UNIROYAL | C81 | Indirect Cross Interchange | 1 |
| DAYCO | C81 | Indirect Cross Interchange | 1 |
| JOHN DEERE | N120087 | Indirect Cross Interchange | 1 |
| JASON | C81 | Indirect Cross Interchange | 1 |
| JOHN DEERE | M121116 | Indirect Cross Interchange | 1 |
| Durkee-Atwood | C81 | Indirect Cross Interchange | 1 |
| JOHN DEERE | L4513N | Indirect Cross Interchange | 1 |
| Industry Standard | C81 | Indirect Cross Interchange | 1 |
| JOHN DEERE | AH75634 | Indirect Cross Interchange | 1 |
| Industry Standard | C081 | Indirect Cross Interchange | 1 |
| CUMMINS | 3809313 | Indirect Cross Interchange | 1 |
| Metric Standard | 22X2130 | Indirect Cross Interchange | 1 |
| MASSEY FERGUSON | 832878M1 | Indirect Cross Interchange | 1 |
| Metric Standard | 22C2160 | Indirect Cross Interchange | 1 |
| MASSEY FERGUSON | 676137M1 | Indirect Cross Interchange | 1 |
| Metric Standard | 21X2130 | Indirect Cross Interchange | 1 |
| PIRELLI | C81 | Indirect Cross Interchange | 1 |
| FORD | 221636 | Indirect Cross Interchange | 1 |
| GOODYEAR | C81 | Indirect Cross Interchange | 1 |
| DODGE | 107076 | Indirect Cross Interchange | 1 |
| GOODYEAR | 78081 | Indirect Cross Interchange | 1 |
| OE | M618163 | Indirect Cross Interchange | 1 |
| OPTIBELT | C81 | Indirect Cross Interchange | 1 |
| OE | A209965 | Indirect Cross Interchange | 1 |
| RELIANCE | 107076 | Indirect Cross Interchange | 1 |
| OE | 70516796 | Indirect Cross Interchange | 1 |
| DUNLOP | C81 | Indirect Cross Interchange | 1 |
| OE | 668307R2 | Indirect Cross Interchange | 1 |
| OE | 3979 | Indirect Cross Interchange | 1 |
| NEW IDEA | F221636 | Indirect Cross Interchange | 1 |
| OE | 068214 | Indirect Cross Interchange | 1 |
| NEW IDEA | 711541 | Indirect Cross Interchange | 1 |
| OE | 02566HT | Indirect Cross Interchange | 1 |
| FENNER | C81 | Indirect Cross Interchange | 1 |
| NSN | MS39257C81 | Indirect Cross Interchange | 1 |
| FENNER | C2110 | Indirect Cross Interchange | 1 |
| BANDO | C81 | Indirect Cross Interchange | 1 |
| FENNER | 240C0211 | Indirect Cross Interchange | 1 |
| NSN | MS392573C81 | Indirect Cross Interchange | 1 |
| GATES | 67081 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 70548870 | Indirect Cross Interchange | 1 |
| Gardner-Denver | 13C60 | Indirect Cross Interchange | 1 |
| NSN | 30305290392 | Indirect Cross Interchange | 1 |
| GATES | 3FVR91 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 70517303 | Indirect Cross Interchange | 1 |
| HESSTON | 057844 | Indirect Cross Interchange | 1 |
| NSN | 3030009842464 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 70516796 | Indirect Cross Interchange | 1 |
| HESSTON | 056226 | Indirect Cross Interchange | 1 |
| NSN | 3030005290392 | Indirect Cross Interchange | 1 |
| WAUKESHA | A209965 | Indirect Cross Interchange | 1 |
| ALLIS-CHALMERS | 54887005 | Indirect Cross Interchange | 1 |
| KOEHRING | 25168 | Indirect Cross Interchange | 1 |
| NSN | 3030002947400 | Indirect Cross Interchange | 1 |
| IHC | 672178R1 | Indirect Cross Interchange | 1 |