Answer the call of large properties and varying terrain with the Ultima Series™. The Ultima Series Z1 42S 42-in. 547cc Zero-Turn Lawn Mower With IntelliPOWER® And Synchro-Steer™ is engineered for precision, control, and stability on challenging terrain. Don’t back down from hills and slopes up to 20-degrees. Synchro-Steer™ technology offers 4-wheel control and provides stability for straight-line mowing on hillsides and slopes up to 20-degrees*. Experience uncompromised performance and durable strength, designed to help you mow efficiently and maintain control.

  • Experience the ultimate in control even when facing slopes and hills up to 20-degrees with Cub Cadet® steering wheel zero-turns equipped with patented Synchro-Steer™ technology.
  • IntelliPOWER® Engines deliver up to 18% more available power*, resulting in less bogging down when mowing in challenging conditions like tall, thick, or wet grass.
  • A 11-gauge steel welded, heavy-duty fabricated AeroForce™ Max deck with side, top and leading-edge reinforcements equips you with the right amount of strength for consistent cut quality.
  • Protect against wear and tear while being the envy of your neighborhood with a continuous, 2x2 tubular steel frame designed to withstand heavy loads and provide stability on rough, uneven terrain.
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Z1 42S Features & Benefits

Powerful Engine
A 547cc Cub Cadet® IntelliPower™ Engine delivers up to 18% more available power*, resulting in less bogging down.

Stability on Hills
Synchro-Steer™ technology delivers unrivaled control and handling of all four wheels, even on hills and slopes of up to 20°.

Built with Strength
A continuous square 2 in. x 2 in. tubular steel frame with fully e-coat lower frame and triple guard corrosion defense system, a multi-step process electronically applies automotive-grade corrosion resistance with meticulous care to protect against wear.

Full Control
13 in. front / 20 in. rear Turf Master® 4-ply tires minimize turf damage and provide greater traction and stability on 20° hills.

One-Hand Operation
Synchro-Steer™ technology allows you to operate your Ultima ZTS with one hand while still mowing in a straight line for an even, consistent cut.

Z1 42S Specs & Compare

Engine
  • Engine BrandCub Cadet®
  • Engine ModelIntelliPOWER®
  • Engine Model NumberAX90Z0
  • Engine Displacement547cc
  • Starter TypeElectric
  • Fuel Tank Capacity3.5 gal. US (13.25 L)
  • CylindersSingle
  • Engine StartIgnition Key
  • Engine Oil Capacity1.8 qt. US (1.7 L)
  • LubricationFully pressurized
  • Charging System12 amp regulated
  • Fuel GaugeNo
  • GovernorElectronic
  • ChokeElectronic
  • Air FilterDual element
  • Oil FilterYes
  • Fuel DeliveryCarburetor
Battery
  • Battery210 CCA
  • Battery TypeAGM (Absorbent Glass Mat)
  • Battery Voltage12V
Drive System
  • TransmissionHydro-Gear EZT 2200
  • Forward Speed7 MPH / 11.3 km/h
  • Reverse Speed3.5 MPH / 5.6 km/h
  • Drive SystemHydrostatic
Cutting Deck
  • Deck Cutting Width42 in
  • Deck WashYes
  • Deck Material13-gauge steel
  • Deck Engagement (PTO)Electric
  • Deck ConstructionStamped
  • Blade(s)Two
  • Deck LiftFoot pedal with Dial Adjust
  • Cutting Height Range1'' - 4.5''
  • Anti-ScalpingTwo gauge wheels
  • Deck Positions15
Chassis
  • Frame2'' x 2'' tubular steel
  • Turning Radius0°
  • ROPSNo
  • Rear Tow HitchYes
  • Corrosion ProtectionYes
  • Front Caster Yokes1/4" Steel
Controls
  • Cruise ControlNo
  • BrakesDisc
  • Steering ControlSteering Wheel
Comfort
  • Seat Type18" high back
  • ArmrestsNo
  • Seat AdjustmentKnob
  • Front Caster SuspensionNo
Wheels
  • Rear Tires20”x 8”-8"
  • Front Tires13"x 6.5"-6"
  • Tire TreadTurf Master / Multi Trac
Specifications
  • SeriesUltima Series™ ZS
Additional Specifications
  • Hour MeterAvailable Separately
  • Mulch KitAvailable separately
  • Headlight(s)No
  • Cup HolderYes
  • Operator Presence SystemYes
  • Parking BrakeHand Lever
  • Model Number17ALGBYS010
Warranty
  • Residential Warranty3-year unlimited hours
  • Frame WarrantyLifetime Limited
  • Deck Shell Warranty3-year unlimited hours
  • Commercial WarrantyNo
Disclaimers
  • SpecificationsSpecifications subject to change without notice and without incurring obligation. Products depicted on website and other advertisements are for demonstration purposes only. Actual products offered for sale may vary in design, required attachments, safety features and non-functional appearance from. See other general disclaimers at the bottom of our website.
  • IntelliPOWER®*When compared to a Cub Cadet® 547cc engine without IntelliPOWER® feature (4X90HW) Improvements vary depending on engine models and specific operating conditions.
  • Synchro-Steer™*Synchro-Steer™ available on Cub Cadet Ultima Series™ ZS models