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Key differences: Z254FX has less weight, a lower top speed and a smaller fuel tank. MZ54 ROPS has more weight, a higher top speed and a larger fuel tank. Objective comparison of stated specs — not a recommendation.
How to read the labels
  • larger / more / wider / faster — this mower has the higher value for that spec.
  • smaller / less / lighter / slower — this mower has the lower value.
  • Labels are directional only; whether more is desirable depends on your needs.
  • Note: a lower deck-gauge number means thicker steel, so for Deck Gauge a smaller number is the more durable deck.
Spec Z254FX
Husqvarna · Zero-Turn
MZ54 ROPS
Husqvarna · Zero-Turn
Engine
Displacement 44.3 ci (725.9 cc) 44.3 ci (725.9 cc)
Engine Power 24 hp 24 hp
Engine Make Kawasaki Kawasaki
Cylinders 2 2
Engine Model FR Series FR Series
Deck
Cutting Width 54 in (1372 mm) 54 in (1372 mm)
Blades 3 3
Min Cut Height 1.5 in (38 mm) 1.5 in (38 mm)
Max Cut Height 4 in (102 mm) lower cut 4.5 in (114 mm) taller cut
Deck Material Steel Steel
Discharge Collect/Mulch/Side discharge Collect/Mulch/Side discharge
Drive
Transmission Hydrostatic Hydrostatic
Ground Speed 6.5 mph slower 8.5 mph faster
Dimensions
Weight 643 lbs (291.7 kg) lighter 810 lbs (367.4 kg) heavier
Fuel Capacity 3.5 gal (13.2 L) less fuel 5 gal (18.9 L) more fuel

Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.