The Kubota Z121S specifications include production from 2014 – 2024, engine power rated at 21 hp (15.7 kW), a hydrostatic transmission, and a listed weight of 749 lbs (339 kg).
Kubota Z121S key specifications
Production years
2014 – 2024
Horsepower
21 hp
Engine power
21 hp (15.7 kW)
Displacement
747 cc 45.6 cu in
Transmission
hydrostatic
Fuel capacity
4.3 gal (16.3 L)
Weight
749 lbs (339 kg)
Wheelbase
45.5 inches (115 cm)
Kubota Z121S Kubota model comparison
See how this tractor compares across up to six main specifications using the low, average and high values among Kubota models in this database.
Engine power21 hp
Low 9 hpAverage 44.1 hpHigh 200 hp
Fuel capacity4.3 gal
Low 2.1 galAverage 17.3 galHigh 99 gal
Weight749 lbs
Low 528 lbsAverage 3,997.4 lbsHigh 19,510 lbs
Wheelbase45.5 in
Low 43.5 inAverage 69.9 inHigh 114 in
This model Kubota database average
Kubota Z121S capacity chart
Compare the tractor's listed fuel, hydraulic and service-fluid capacities.
Maximum fuel capacity16.3 L
Engine oil1.9 L
Kubota Z121S dimensions chart
Compare the main listed tractor dimensions using centimetres.
Length194 cm
Wheelbase115 cm
Width120 cm
ROPS height165 cm
Engine specifications
Rated RPM
3,600
Oil capacity
2 qt (1.9 L)
Starter
electric
Starter volts
12
Transmission options
Gears
infinite forward and reverse
Oil capacity
2.4 qt (2.3 L)
PTO and hitch
Mid PTO
independent
Mechanical specifications
Clutch
electric dry disc
Steering
differential power
Electrical specifications
Electrical ground
negative
Charging amps
15
Battery CCA
300
Battery volts
12
Dimensions and weight
Length
76.4 inches (194 cm)
Width
47.5 inches (120 cm)
ROPS height
65 inches (165 cm)
Tires and tread
Front tread
31.3 inches (79 cm)
Rear tread
37.6 inches (95 cm)
Front tire
11-4-5
Rear tire
22-10-14
Lawn/turf front tire
11-4-5
Lawn/turf rear tire
22-10-14
Attachments
Attachment type
mid-mount Kubota RCK48P-124Z
Cutting width
48 inches (121 cm)
Overall width
61.1 inches (155 cm)
Cut height
1.5 to 4.5 inches (3 to 11 cm)
Note: Comparison values are calculated from Kubota models in this specifications database. Specifications can vary by year, market, configuration, tires and optional equipment. For official specifications, check the official Kubota website or the tractor’s operator manual.
