What is the best zero-turn mower for hills?

The Gravely ZT HD (roughly $5,999) is the best zero-turn for hilly lawns, pairing a low center of gravity with a wide rear-tire stance built into Gravely's own commercial-grade chassis. For steeper slopes, a mower with a rollover protective structure (ROPS) option, like the Cub Cadet Ultima ZTX4, adds a real safety margin that flatter-lawn zero-turns skip entirely.

How steep of a hill can a zero-turn mower safely handle?

Most manufacturers rate their zero-turns for slopes up to 15 degrees (roughly a 3:1 grade), per published owner's manuals from Toro, Cub Cadet, and Gravely. Beyond that, even a wide-stance zero-turn is at meaningfully higher rollover risk, and mowers should be driven up and down slopes rather than across them.

Are zero-turn mowers dangerous on slopes?

Zero-turns sit higher and have a narrower effective wheelbase than a lawn tractor, which raises rollover risk on slopes over roughly 15 degrees, according to CPSC and university extension safety guidance. Mowing across a slope rather than straight up and down is the leading cause of zero-turn rollover incidents, not the slope grade alone.

Should I buy a lawn tractor instead of a zero-turn for a hilly yard?

For lawns with sustained slopes over 15-20 degrees, a lawn tractor's lower center of gravity and four-wheel stability generally make it the safer choice over a zero-turn, even though it cuts slower. See our zero-turn vs. lawn tractor guide for the full tradeoff.

Best Zero-Turn Mower for Hills 2026: Stability & Traction Compared

Quick Answer: The Gravely ZT HD (roughly $5,999) is the best zero-turn mower for hilly lawns, combining a low-slung commercial-grade chassis with a wide rear-tire stance that keeps the center of gravity down on slopes up to Gravely’s rated 15-degree limit. Buyers with steeper or more irregular grades should prioritize the Cub Cadet Ultima ZTX4 ($6,899, per Cub Cadet’s own current site pricing for the 48” model), which offers a factory rollover protective structure (ROPS) option most residential zero-turns skip. Budget-focused buyers on moderate slopes are well-served by the Toro TimeCutter MyRIDE 54 (roughly $4,799-$4,899 across current dealer listings), whose rear-suspension system absorbs terrain shock that would otherwise unsettle the mower on uneven grades.

Last updated: October 14, 2026 — corrected the Husqvarna Z254F’s price, which this page had reconfirmed as “within range” on August 14 at ~$3,199 but which had actually drifted stale: Husqvarna’s own site now lists the standard Z254F at a $3,999 MSRP, with current retailer listings (Tractor Supply, The Power Tool Store) putting street price closer to $3,599-$3,699 — the same higher figure this site’s dedicated Husqvarna guide already corrected to on October 2, which hadn’t yet been propagated to this page. Cub Cadet Ultima ZTX4 and Toro TimeCutter MyRIDE 54 prices from the August 14 correction were spot-checked again and remain accurate; Gravely ZT HD unchanged.

Zero-turns sit higher and narrower than a lawn tractor, and on a slope that difference shows up as real rollover risk — most manufacturers cap their published slope rating around 15 degrees (a 3:1 grade), per Toro and Cub Cadet owner’s manuals. Picking a mower built for hills means weighing center-of-gravity, tire stance, and ROPS availability, not just deck size and horsepower. Here’s how the current lineup compares for sloped lawns.

Zero-turn mowers for hills, compared

Model	Best for	Slope rating	Stability feature	Price	Rating
Gravely ZT HD	Best overall	~15°	Low CG, wide rear stance	~$5,999	★★★★★
Cub Cadet Ultima ZTX4	Best for steep grades	~15-20° w/ ROPS	Factory ROPS option	~$6,899	★★★★½
Toro TimeCutter MyRIDE 54	Best for uneven terrain	~15°	Rear suspension (MyRIDE)	~$4,799-$4,899	★★★★☆
Husqvarna Z254F	Best budget option	~10-12°	Wide 23" rear tires	$3,599-$3,999	★★★★☆

1. Gravely ZT HD — Best Overall

Gravely ZT HD

Best overall · rated to ~15° slopes · ~$5,999

Commercial-grade tubular frame sits lower than most residential zero-turns, which lowers the center of gravity — the single biggest factor in slope stability, per Gravely's own engineering literature.
Wide rear-tire stance spreads weight further outboard than the entry ZT X series, adding lateral resistance to tipping on cross-slope passes.
Heavier-duty fabricated deck and Kawasaki or Kohler V-twin options carry the extra weight low in the chassis rather than up high, which also helps stability.

The ZT HD’s low-CG chassis is the same design philosophy behind Gravely’s commercial ZT X line — see our Gravely zero-turn mower guide for how the full lineup compares.

2. Cub Cadet Ultima ZTX4 — Best for Steep Grades

Cub Cadet Ultima ZTX4

Best for steep grades · factory ROPS option · ~$6,899

One of the few residential-tier zero-turns with a factory-available rollover protective structure (ROPS) and seat belt kit, which most competitors reserve for commercial models only.
Dual hydrostatic transmissions give more precise low-speed control on a slope than a single-lever system, reducing the chance of an uncontrolled slide.
Fabricated deck and standard rear tires are on par with the Gravely ZT HD, but the ROPS option is the real differentiator for steeper or irregular slopes.

A ROPS adds real weight and cost, so it’s worth it specifically for lawns with slopes near or beyond the typical 15-degree manufacturer rating — on moderate grades the Gravely ZT HD’s low-CG design alone is usually enough. See our Cub Cadet buying guide for how the ZTX4 fits the rest of Cub Cadet’s Ultima lineup.

3. Toro TimeCutter MyRIDE 54 — Best for Uneven Terrain

Toro TimeCutter MyRIDE 54

Best for uneven terrain · rear suspension · ~$4,799-$4,899

Toro's MyRIDE rear suspension isolates the seat from bumps and dips, which matters on hills where uneven ground — not just the slope angle — is what actually unsettles the operator's control.
Rated to the same roughly 15-degree slope limit as most residential zero-turns, per Toro's owner's manual, so it isn't a hill-specialist chassis like the Gravely ZT HD.
Lower price than either the ZT HD or ZTX4 makes it the practical pick for lawns with moderate, rolling slopes rather than sustained steep grades.

The MyRIDE suspension is a comfort-and-control feature more than a stability upgrade — see our Toro zero-turn mower guide for how the full TimeCutter lineup compares on flatter ground.

4. Husqvarna Z254F — Best Budget Option

Husqvarna Z254F

Best budget option · 23" rear tires · $3,599-$3,999

Wider-than-average 23-inch rear tires for its price tier add stability without the cost of a commercial-grade chassis like the ZT HD.
Rated to a lower slope limit — roughly 10-12 degrees per Husqvarna's published guidance — than the other mowers on this list, so it fits gently rolling lawns better than genuinely steep ones.
Lowest price of the four, making it the reasonable choice for buyers whose "hilly" lawn is really a handful of moderate grades rather than a sustained slope.

For a genuinely steep lot, size up to the Gravely ZT HD or Cub Cadet ZTX4 rather than pushing the Z254F past its rated slope limit — see our best zero-turn mower guide for how it stacks up outside the hill-specific use case.

How to choose a zero-turn for a sloped lawn

Center of gravity matters more than horsepower. A heavier engine sitting low in the chassis, like the Gravely ZT HD’s, helps stability far more than raw HP numbers.
Mow up and down slopes, never across them. Per CPSC and university extension safety guidance, cross-slope mowing — not the slope grade alone — causes most zero-turn rollover incidents.
15 degrees is the common ceiling. Toro, Cub Cadet, and Gravely all rate their residential zero-turns to roughly 15 degrees; beyond that, a ROPS-equipped model or a lawn tractor is the safer call — see our zero-turn mower ROPS guide for which models actually offer one and how the seat belt factors in.
Wide rear tires add real lateral stability. The Gravely ZT HD and Husqvarna Z254F both lean on wider-than-stock rear tires as a low-cost stability lever.
Tire pressure affects hill stability too — see our tire pressure guide for the correct front-to-rear PSI, since mismatched pressure adds drift risk on a slope.
Wet or soft slopes are a traction problem, not just a stability one — see our zero-turn mower tracks guide for why there’s no bolt-on track kit for a standard ZTR, and what tire chains or traction tires can realistically fix instead.

The bottom line

For most hilly residential lots, the Gravely ZT HD is the best zero-turn mower for hills — its low center of gravity and wide rear stance are purpose-built for slope stability up to the common 15-degree rating. Steeper or more irregular grades are better served by the Cub Cadet Ultima ZTX4 and its factory ROPS option, while the Toro TimeCutter MyRIDE 54 fits rolling-but-not-steep terrain and the Husqvarna Z254F covers gentler slopes at the lowest price. For lawns beyond roughly 20 degrees, see our zero-turn vs. lawn tractor guide — a lawn tractor’s stability may be the safer choice regardless of price. Cub Cadet’s own Synchro-Steer models carry the same 20-degree slope rating as their lap-bar lineup, so steering type shouldn’t factor into a hill decision — see our best zero-turn mower with a steering wheel guide if easier control matters more to you than the steepest-slope rating.