| Yanmar Models (Zennoh models beginning with "YM" are identical i.e. Zennoh YM1500 is the same as a Yanmar YM1500)" | Variants | Variant Characteristics | Years of Manufacture | Engine HP | Notes |
|---|
| YM1100 | | | 77-79 | 13 | |
| YM1100D | | | 77-79 | 13 | |
| YM1300 | | | 75-77 | 15 | |
| YM1300D | | | 75-77 | 15 | |
| YM1401 | | | 79-81 | 16 | |
| YM1401D | | | 79-81 | 16 | |
| YM1500 | Green | some mechanical differences | 75-76 | 18 | |
| YM1500D | Green | some mechanical differences | 75-76 | 18 | |
| YM1500 | Red | | 77-79 | 18 | |
| YM1500D | Red | | 77-79 | 18 | |
| YM1510 | | | 79-81 | 18 | |
| YM1510D | | | 79-81 | 18 | |
| YM1600 | | | 73-74? | 19 | |
| YM1601 | | | 79-81 | 19 | |
| YM1601D | | | 79-81 | 19 | |
| YM1610 | | | 79-81 | 19 | |
| YM1610D | | | 79-81 | 19 | |
| YM1700 | Green | | 74-76 | 20 | |
| YM1700D | Green | | 74-76 | 20 | |
| YM1700 | Red | | 77-78 | 20 | |
| YM1700D | Red | | 77-78 | 20 | |
| YM1700B | | | 79 | 20 | |
| YM1700BD | | | 79 | 20 | |
| YM1702D | | | 82-83 | 20 | |
| YM1720 | | | 82-83 | 20 | |
| YM1720D | | | 82-83 | 20 | |
| YM1802 | | | 82-83 | 22 | |
| YM1802D | | | 82-83 | 22 | |
| YM1810 | | | 81 | 22 | |
| YM1810D | | | 81 | 22 | |
| YM1820 | | | 82-83 | 22 | |
| YM1820D | | | 82-83 | 22 | |
| YM1900 | | | 73-74? | | |
| YM2000 | Green | headlights outside of grille | 74-76 | | |
| YM2000D | Green | headlights outside of grille | 74-76 | | |
| YM2000 | Red | | 77-78 | 24 | |
| YM2000D | Red | | 77-78 | 24 | |
| YM2000B | | | 79 | 24 | |
| YM2000BD | | | 79 | 24 | |
| YM2001 | | | 81 | 24 | |
| YM2001D | | | 81 | 24 | |
| YM2010 | | | 80-81 | 24 | |
| YM2010D | | | 80-81 | 24 | |
| YM2002 | | | 82-83 | 24 | |
| YM2002D | | | 82-83 | 24 | |
| YM2020 | | | 82-83 | 24 | |
| YM2020D | | | 82-83 | 24 | |
| YM2200 | | | 73-75? | 26 | |
| YM2202 | | | 82-83 | 26 | |
| YM2202D | | | 82-83 | 26 | |
| YM2210 | | | 77-78 | 26 | |
| YM2210D | | | 77-78 | 26 | |
| YM2210B | | | 79 | 26 | |
| YM2210BD | | | 79 | 26 | |
| YM2220 | | | 82-83 | 26 | |
| YM2220D | | | 82-83 | 26 | |
| YM2301 | | | 81 | 27 | |
| YM2301D | | | 81 | 27 | |
| YM2310 | | | 80-81 | 27 | |
| YM2310D | | | 80-81 | 27 | |
| YM2402 | | | 82-83 | 28 or 29 | |
| YM2402D | | | 82-83 | 28 or 29 | |
| YM2420 | | | 82-83 | 28 or 29 | |
| YM2420D | | | 82-83 | 28 or 29 | |
| YM2500 | | | 77-78 | 30 | |
| YM2610 | | | 79-81 | 31 | |
| YM2610D | | | 79-81 | 31 | |
| YM2620 | | | 82-83 | 31 | |
| YM2620D | | | 82-83 | 31 | |
| YM2700 | | | 73-75? | | |
| YM2820 | | | 82-83 | 33 | |
| YM2820D | | | 82-83 | 33 | |
| YM3000 | | | 77-78 | 36 | |
| YM3110 | | | 79-81 | 37 | |
| YM3110D | | | 79-81 | 37 | |
| YM3220 | | | 82-83 | 38 | |
| YM3220D | | | 82-83 | 38 | |
| YM3810 | | | 79-81 | 45 | |
| YM3810D | | | 79-81 | 45 | |
| YM4220 | | | 82-83 | 50 | |
| YM4220D | | | 82-83 | 50 | |
| YMG1800 | | | 87 | 22 | "The age of the YMG models is one of the gray market's great mysteries. It is our good faith belief, based on various sources, that these units were assembled and marketed in 1987, with many parts identical to the '82-'83 YMxx02 series units." |
| YMG1800D | | | 87 | 22 | |
| YMG2000 | | | 87 | 24 | |
| YMG2000D | | | 87 | 24 | |
| F20 | | | 84-85 | 24 | |
| F20D | | | 84-85 | 24 | |
| F22 | | | 84-85 | 26 | |
| F22D | | | 84-85 | 26 | |
| F24 | | | 84-85 | 28 or 29 | |
| F24D | | | 84-85 | 28 or 29 | |
| F235 | | | 86-87 | 27 | |
| F235D | | | 86-87 | 27 | |
| F255 | | | 86-87 | 30 | |
| F255D | | | 86-87 | 30 | |
| FX20 | | | 84-85 | 24 | |
| FX20D | | | 84-85 | 24 | |
| FX22 | | | 84-85 | | |
| FX22D | | | 84-85 | | |
| FX24 | | | 84-85 | | |
| FX24D | | | 84-85 | | |
| FX235 | | | 86-87 | | |
| FX235D | | | 86-87 | | |
| FX255 | | | 86-87 | | |
| FX255D | | | 86-87 | | |
| FX26 | | | 84-85 | | |
| FX26D | | | 84-85 | | |
| FX28 | | | 84-85 | | |
| FX28D | | | 84-85 | | |
| FX32 | | | 84-85 | | |
| FX32D | | | 84-85 | | |
| FX42 | | | 84-85 | | |
| FX42D | | | 84-85 | | |
| FX46 | | | 84-85 | | |
| FX46D | | | 84-85 | | |
| FX285 | | | 86-87 | | |
| FX285D | | | 86-87 | | |
| FX305 | | | 86-87 | | |
| FX305D | | | 86-87 | | |