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Kubota Z121S

Kubota Z121S tractor
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The Kubota Z121S is a zero-turn mower in the Z100 Series produced from 2014 onward. It features a 21 hp Kohler Courage Professional 747cc 2-cylinder gasoline engine with a hydrostatic Hydro-Gear ZT3100 transmission offering infinite forward and reverse speeds. The mower has a two-wheel drive with differential power steering and a two-post fixed ROPS with suspended seat. It includes a 48" mid-mount mower deck and an independent mid PTO with an electric dry disc clutch. Dimensions include a 45.5 inch wheelbase, 76.4 inch length, and 47.5 inch width, weighing 749 lbs. The mower uses 11x4-5 front tires and 22x10-14 rear tires. Electrical system is 12 volts with a 300 CCA battery and 15 amp charging.
Kubota Z121Szero-turn mowerlawn tractorKohler enginehydrostatic transmissionmower decklawn tractor specs
Power-
Founded-
ModelZ121S

Technical Specifications

Detailed specifications and technical data for Kubota Z121S

Tires

Rear tire:22x10-14
Front tire:11x4-5

Engine

Type:gasoline, 2-cylinder, air-cooled vertical-shaft V-Twin
Model:Kohler Courage Professional
Starter:electric
Fuel tank:4.3 gal (16.3 L)
Rated RPM:3600
Displacement:747 cc (45.6 ci)
Oil capacity:2 qts (1.9 L)
Power (gross):21 hp (15.7 kW)
Starter volts:12

Dimensions

Width:47.5 inches (120 cm)
Length:76.4 inches (194 cm)
Weight:749 lbs (339 kg)
Wheelbase:45.5 inches (115 cm)
Rear tread:37.6 inches (95 cm)
Front tread:31.3 inches (79 cm)
Height (ROPS):65 inches (165 cm)

Electrical

Ground:negative
Battery CCA:300
Battery volts:12
Charging amps:15

Mechanical

ROPS:Two-post fixed ROPS with suspended seat
Drive:Two-wheel drive
Steering:differential power

Production

Type:Zero-turn mower
Manufacturer:Kubota
Original price:$5,491 in 2015
Production years:2014 -

Attachments

Cut height:1.5 to 4.5 inch (3 to 11 cm)
Cutting width:48 inches (121 cm)
Overall width:61.1 inches (155 cm)
48" Mower deck:mid-mount Kubota RCK48P-124Z, 3-blade

Transmission

Type:hydrostatic
Gears:infinite forward and reverse
Model:Hydro-Gear ZT3100
Oil capacity:2.4 qts (2.3 L)

Power Take-off (PTO)

PTO:independent
Type:Mid PTO
Clutch:electric dry disc