Step up to the advanced Ultima Series™, the Cub Cadet® Ultima Series Z2 42S 21.5 HP*/726cc Zero-Turn Lawn Mower with AeroForce™ Fabricated Deck and Synchro-Steer™ Technology 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.

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Z2 42S Features & Benefits

  • 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.
  • The Ultimate Mowing Experience from Cub Cadet® is powered by a reliable Kawasaki® Engine. A 21.5 HP* Kawasaki® twin-cylinder OHV engine delivers high-performance to tackle your yard.
  • Dual hydrostatic transmissions are designed to eliminate shifting and allow for quick and easy 7 MPH forward (3.5 MPH reverse) ground speeds for a smooth drive.
  • 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.

Z2 42S Specs & Compare

Engine
  • Engine BrandKawasaki®
  • Engine ModelFR Series
  • Engine Model Number651V
  • Engine Displacement726cc
  • Engine Output21.5HP
  • Starter TypeElectric
  • Fuel Tank Capacity3.5 gal. US (13.25 L)
  • CylindersTwin
  • Engine StartIgnition Key
  • Engine Oil Capacity1.8 qts. US (1.7 L)
  • LubricationFully pressurized
  • Charging System12 amp regulated
  • Fuel GaugeNo
  • GovernorMechanical
  • ChokeSeparate Choke
  • Air FilterDual element
  • Oil FilterYes
  • Fuel DeliveryCarburetor
Battery
  • Battery230 CCA
  • Battery TypeLead Acid
  • 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 WashNo
  • Deck Material11-gauge steel
  • Deck Engagement (PTO)Electric
  • Deck ConstructionFabricated
  • 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 Type20" Cut-and-Sew with Head Bolster
  • ArmrestsNo
  • Seat AdjustmentKnob
  • Front Caster SuspensionNo
Wheels
  • Rear Tires20”x 8”-8"
  • Front Tires13"x 6.5"-6"
  • Tire TreadTurf Armor
Specifications
  • SeriesUltima Series™ ZS
Additional Specifications
  • Hour MeterYes
  • Mulch KitAvailable separately
  • Headlight(s)LED Lightbar
  • Cup HolderYes
  • Operator Presence SystemYes
  • Parking BrakeHand Lever
  • Model Number17CIGBYEA10
Warranty
  • Residential Warranty3-year unlimited hours
  • Frame WarrantyLifetime Limited
  • Deck Shell WarrantyLifetime Limited
  • 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.
  • Horsepower*As required by Kawasaki, horsepower tested in accordance with SAE J1995 and rated in accordance with SAE J2723 and certified by SAE International. Engine power ratings are as certified by the engine manufacturer. Actual operating power may vary. Refer to the engine manufacturer's website for additional information.
  • LED LightbarFront LED Light Bar vs. Cub Cadet® Classic Twin LED Headlights 625-05041, measured in total lumens.
  • Synchro-Steer™*Synchro-Steer™ available on Cub Cadet Ultima Series™ ZS models