Extreme Trailers of Texas carries Bad Bow Mowers with cutting widths from 42" to 61". Some zero turn mower models come in a variety of sizes.
42" - Rambler
48" - Elite, Magnum
54" - Maverick HD, Outlaw Rebel, Avenger, Elite, Magnum
60 - Elite, Maverick HD
61 - Outlaw Rebel, Outlaw Rogue