Machop evolves into Machoke starting at level 28. After evolving into Machoke, it can then evolve into Machamp, but this evolution requires trading Machoke to another player (or using a Linking Cord in Pokémon Legends: Arceus) rather than leveling up further

. Summary:

• Machop evolves into Machoke at level 28.
• Machoke evolves into Machamp when traded (or via Linking Cord in some games).

This evolution method is consistent across most Pokémon games including the classic Pokémon Red and Blue, as well as newer titles