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
Model Kubota B1121
Tractor type Utility tractor
Production years 2018-
Dimensions and weight
Length 2,350 mm (92.5 in)
Width 930 mm (36.6 in)
Height 2,210 mm (87 in)
Wheelbase 1,270 mm (50 in)
Weight 600 kg (1,323 lbs)
Fuel capacity
Fuel tank capacity 14.0 liters (3.7 US gal.; 3.1 Imp. gal)


Engine Specifications
Engine model Kubota Z482
Engine type 4-stroke, OHV, two-cylinders
Displacement 497 cm3, (30.3 cu·in)
Max. horsepower 12.0 PS (8.8 KW; 11.8 HP) at 3,000 rpm
Max. torque
Cooling system Liquid-cooled with pressurized radiator
Lubricating system Forced lubrication by trochoid pump
Fuel system Bosch MD type mini pump
Fuel used Diesel fuel No.2-D
Starting system Electric starter (12V, 0.8 kW)
PTO shaft rotation Counterclockwise (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
Type Liquid-cooled with pressurized radiator

Transmission and chassis

Chassis, steering and brakes
Chassis 4×4 MFWD 4WD
Steering type Manual
Brakes Wet disc type
Differential lock Mechanical rear
Transmission manufacturer or model
Transmission type Gear type
Gears 6 forward and 2 reverse
Speed Forward: 14,7 kmh (8.7 mph)
Reverse: kmh (0 mph)


Front tires Ag: 5-12
Rear tires Ag: 8-16

Rear Hitch

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

PTO (Power take-off shaft)

Rear PTO type
Rear PTO speed 540 rpm

Electrical system

Electrical system
Ground Negative
Charging system Alternator
Charging amps
Battery 12V


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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