Simplicity Regent 21/42 vs Simplicity ZT1500 21/42

Verdict: Simplicity Regent 21/42 vs Simplicity ZT1500 21/42

The Simplicity Regent 21/42 and the Simplicity ZT1500 21/42 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 21 hp. Simplicity ZT1500 21/42 is the lighter machine (240 kg vs 241 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Simplicity Regent 21/42 holds more fuel (13.2 L vs 11.4 L) for longer stints between fills. Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.