Spec Comparison

John Deere ZTrak Z535M vs. KUBOTA Z121S

A straight, spec-by-spec look for lawn buyers across Ohio and Indiana. The numbers are only half the decision.

z915e-ztrak-trade-zero-turn-mower-915e-tc-2

Is the John Deere ZTrak Z535M right for you?

The Customer who lands on this comparison is usually someone with a serious residential property or a small commercial account, maybe two to four acres, who mows often enough that they want real power and a machine that holds up season after season. They are weighing brand reputation and price carefully, and that is exactly where the Z535M earns its spot. The Deere comes in at $4,399 with the 48-inch deck compared to $5,491 for the Kubota at the same cut width, so you are getting more machine for less money right out of the gate. On top of that, the Z535M's 25-hp M44 Cyclonic engine outpowers the Kubota's 21-hp unit, and the larger front caster tires give you better ground contact on uneven terrain.

The Kubota does offer a high-back seat and comes with mulching standard, which are fair points. But the Z535M gives you the option to scale up to a 54-inch or 62-inch Accel Deep deck as your needs grow, and the MulchControl attachment is available when you want it. The Deere also moves slightly faster at 8.5 mph versus 8 mph, which adds up over a long mow. Both machines carry the same 4-year, 300-hour warranty, so coverage is a wash.

Where Koenig really tips the scales is what happens after the sale. Our stores across Indiana and Ohio stock genuine John Deere parts and have technicians who know these machines cold. When you need service during mowing season, that local support matters more than any single spec. Stop in and let us walk you through the Z535M in person.

SpecificationJohn Deere ZTrak Z535MKUBOTA Z121S
Engine power25 hp 18.6 kW21 hp 15.7 kW
Engine model numberM44 Cyclonic™Confident
Forward speed0-8.5 mph 0-13.7 km/h0-8 mph 0-12.9 km/h
Front caster tires13x5-611x4-5
Drive tires22x9.5-1022x10-14
Seat back heightMedium back with armrests, 18 in. 45.7 cmHigh back
Width of cutAccel Deep™ mower deck, 48 in. 122 cm Accel Deep™ mower deck, 54 in. 137 cm Edge™ mower deck, 62 in. 157 cm48 in. 122 cm
Mulching systemOptional MulchControl™ attachment, 48 in. 122 cm Optional MulchControl™ attachment, 54 in. 137 cm Optional mulch kit, 62 in. 157 cmYes
Warranty4 year or 300 hour bumper-to-bumper* (*Term limited to years or hours used, whichever comes first, and varies by model. See the LIMITED WARRANTY FOR NEW JOHN DEERE TURF AND UTILITY EQUIPMENT at JohnDeere.com or JohnDeere.ca/TUWarranty for details.)4 year/300 hour
U.S. list price$4,399 with 48-in. (122-cm) mower, $4,599 with 54-in. (137-cm) mower, $4,699 with 62-in. (157-cm) mower$5,491 with 48-in. (122-cm) mower

See it at Koenig

Real pricing, financing, and a machine you can put to work this season.

Current Offers Apply for Financing

Not sure what fits?

We will walk your property and match the right machine to how you work.

Get a free Property Plan Find Your Store

The spec sheet is only half the decision

People buy an experience and a partner they trust, not just a machine. With Koenig you also get:

Specifications are subject to change and were accurate at time of publication. Engine power for non-Deere machines is provided by that engine manufacturer. See your local Koenig Equipment store for complete details.
Explore Koenig
Equipment Comparisons Used vs. New Find Equipment by Job Parts & Service Current Offers