David Brown 4600 Selectamatic vs David Brown 900

Verdict: David Brown 4600 Selectamatic vs David Brown 900

The David Brown 4600 Selectamatic and the David Brown 900 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 46 hp. David Brown 4600 Selectamatic is the lighter machine (1,950 kg vs 3,900 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. David Brown 4600 Selectamatic is the newer design (1968 vs 1956). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.