Kubota B1121

Kubota B1121The Kubota B1121 is a utility tractor model from the B1 series, manufactured from 2018 Kubota. It was available in four-wheel drive (4WD) version.

The Kubota B1121 is equipped with a 497 сс (30.3 cu·in) two-cylinder diesel engine with 67.0 mm (2.64 in) of the cylinder bore and 68.0 mm (2.68 in) of the piston stroke, and a gear type transmission with 6 forward and 2 reverse gears.

The Kubota B1121 utility tractor features:

  • The Kubota Z482 diesel engine which produces 12.0 PS (8.8 KW; 11.8 HP) at 3,000 rpm of horsepower.
  • Manual steering
  • Wet disc type brakes
  • Open operator station with two-post ROPS
  • Category I rear hitch with 430 kg (948 lbs) of maximum lift capacity
  • Rear PTO with 540 rpm

General specifications

General Specifications
ModelKubota B1121
Tractor typeUtility tractor
Production years2018-
Dimensions and weight
Length2,350 mm (92.5 in)
Width930 mm (36.6 in)
Height2,210 mm (87 in)
Wheelbase1,270 mm (50 in)
Weight600 kg (1,323 lbs)
Fuel capacity
Fuel tank capacity14.0 liters (3.7 US gal.; 3.1 Imp. gal)


Engine Specifications
Engine modelKubota Z482 (See also: Kubota Z482-D25)
Engine type4-stroke, OHV, two-cylinders
Displacement497 cm3, (30.3 cu·in)
Max. horsepower12.0 PS (8.8 KW; 11.8 HP) at 3,000 rpm
Max. torque
Cooling systemLiquid-cooled with pressurized radiator
Lubricating systemForced lubrication by trochoid pump
Fuel systemBosch MD type mini pump
Fuel usedDiesel fuel No.2-D
Starting systemElectric starter (12V, 0.8 kW)
PTO shaft rotationCounterclockwise (from PTO shaft side)
Valve clearance
Intake valve clearance:0.145-0.185 mm (0.0057-0.0073 in)
Exhaust valve clearance:0.145-0.185 mm (0.0057-0.0073 in)
Oil system
Lubrication system:Forced lubrication by trochoid pump
Oil type:API CC or CD
Recommended oil:SAE 30, 10W-30
Oil capacity:2.1 liters (2.2 US.qts, 1.85 Imp. qts)
Oil filter type:Full flow paper filter (cartridge)
Cooling system
TypeLiquid-cooled with pressurized radiator

Transmission and chassis

Chassis, steering and brakes
Chassis4×4 MFWD 4WD
Steering typeManual
BrakesWet disc type
Differential lockMechanical rear
Transmission manufacturer or model
Transmission typeGear type
Gears6 forward and 2 reverse
Speed Forward: 14,7 kmh (8.7 mph)
Reverse: kmh (0 mph)


Front tiresAg: 5-12
Rear tiresAg: 8-16

Rear Hitch

Three-Point Hitch
Control type
Lift capacity (at ends)430 kg (948 lbs)

PTO (Power take-off shaft)

Rear PTO type
Rear PTO speed540 rpm

Electrical system

Electrical system
Charging systemAlternator
Charging amps


Kubota LA213 loader
Height (to pin):1,920 mm (75.6 in)
Clearance, dumped bucket:1,440 mm (56.9 in)
Dump reach:840 mm (32.1 in)
Dump angle:44°
Rollback angle:24°
Breakout force (at pin):667 kg (1,470 lbs)
Lift to full height (at pin):302 kg (665 lbs)
Bucket width:1,060 mm (42.0 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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