The Kubota Z121S is a lawn tractor model rated at 21 hp, which positions it within the higher-powered machines in its class. Manufactured in 2014, the Z121S is equipped with a 2-cylinder petrol air-cooled engine, and it features a hydrostatic transmission driving through two-wheel drive. The listed weight is 339 kg, and it is intended for use in areas of approximately 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
21 hp
Weight
339 kg
Catalogue coverage
Variants represented
2
Richest spec table
46 rows
Recorded power
21 hp
Recorded weight
339 kg
Transmissions
hydrostatic
Production years
2014-2014
Verified variants
0
1 linked source document displayed
Hover a source tag to verify
Overview
ManufacturerKubotaReference
Zero-turn mowerReference
Original price was $5,491 in 2015Reference
Two-wheel driveReference
Steeringdifferential powerReference
Two-post fixed ROPS with suspended seat.Reference
Engine
21HP Kohler 747cc 2-cyl gasolineReference
Fuel tank16.3 LReference
Kohler Courage ProfessionalReference
gasolineReference
2-cylinderReference
air-cooled vertical-shaft V-TwinReference
Displacement45.6 ciReference
Power (gross)15.7 kWReference
Rated RPM3600Reference
StarterelectricReference
Starter volts12Reference
Oil capacity1.9 LReference
Transmission
hydrostaticReference
TransmissionHydro-Gear ZT3100Reference
TypehydrostaticReference
Gearsinfinite forward and reverseReference
Oil capacity2.3 LReference
PTO & Hydraulics
Mid PTOindependentReference
Clutchelectric dry discReference
Dimensions
Wheelbase115 cmReference
Weight339 kgReference
Front tire11x4-5Reference
Rear tire22x10-14Reference
Lawn/turf front11x4-5Reference
Lawn/turf rear22x10-14Reference
Length194 cmReference
Width120 cmReference
Height (ROPS)165 cmReference
Front tread79 cmReference
Rear tread95 cmReference
Kubota Z121S attachments
48" mid-mount mower deckReference
Electrical
GroundnegativeReference
Charging amps15Reference
Battery CCA300Reference
Battery volts12Reference
48" Mower deck
Typemid-mount Kubota RCK48P-124ZReference
Type3-bladeReference
Cutting width121 cmReference
Overall width155 cmReference
Cut height3 to 11 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
