Kubota B1241

Kubota B1241The Kubota B1241 is a sub-compact utility tractor model from the B1 series, manufactured from 2018 by Kubota. It was available in two-wheel drive (2WD) or four-wheel drive (4WD) versions.

The Kubota B1241 is equipped with a 1.1 L (68.5 cu·in) three-cylinder diesel engine with 78.0 mm (3.07 in) of the cylinder bore and 78.4 mm (3.09 in) of the piston stroke, and a gear type transmission with 9 forward and 3 reverse gears.

The Kubota B1241 utility tractor features:

  • The Kubota D1105 diesel engine which produces 24.3 PS (17.9 kW; 24.0 HP) at 2,600 rpm of horsepower
  • Hydrostatic power steering
  • Wet disc type brakes
  • Open operator station with two-post ROPS
  • Category I rear hitch with 615 kg (1356 lbs) of maximum lift capacity
  • Optional middle PTO with 2,600 rpm
  • Rear PTO with 540 rpm

General specifications

General Specifications
ModelKubota B1241
Tractor typeSub-Compact utility tractor
Production years2018-
Dimensions and weight
Length2,410 mm (94.9 in)
Width990 mm (39 in)
Height2,210 mm (87 in)
Wheel base1,270 mm (50 in)
Ground clearance260 mm (10.2 in)
Weight740 kg (1,631 lbs)
Fuel capacity
Fuel tank capacity26.0 liters (6.9 US gal.; 5.7 Imp. gal)


Engine Specifications
Engine modelKubota D1105
Engine type4-stroke, SOHC, three-cylinders
Displacement1.1 L, 1,123 cm3, (68.5 cu·in)
Bore and stroke78.0 mm X 78.4 mm (3.07 in X 3.09 in)
Max. horsepower24.3 PS (17.9 kW; 24.0 HP) at 2,600 rpm
Cooling systemLiquid-cooled
Fuel usedDiesel fuel
Starting systemElectric starting with 12V starter
Starting support deviceGlow plug in combustion chamber
GovernorAll speed mechanical governor
Charging systemAlternator 12V
PTO shaft rotationCounterclockwise
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:CF or higher
Recommended oil:SAE 10W-30, 10W-40
Oil pressure: At idle speed: 49 MPa (0.5 kgf/cm2, 7 psi)
At rated speed: 196 to 441 MPa (2.0-4.5 kgf/cm2, 28 to 64 psi)
Oil filter:Full flow paper filter (Cartridge type)
Oil pressure indicating:Electrical type switch
Oil and oil filter change interval:Every 200 hours
Fuel system
Fuel injection pump:Bosch MD type mini fuel injection pump
Injection nozzle:Mini Nozzle (DNOPD)
Firing order:1-2-3
Injection pressure:13.73 MPa (140 kgf/cm2, 1,991 psi)

Transmission and chassis

Chassis, steering and brakes
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typeHydrostatic power
BrakesWet disc type
Final driveDifferential lock: mechanical rear
Transmission manufacturer or model
Transmission typeGear type
Gears9 forward and 3 reverse
Speed Forward: 18.9 kmh (11.7 mph)


Front tiresAg: 23×10.50-12
Rear tiresAg: 280/70R18

Rear Hitch

Three-Point Hitch
Control type
Lift capacity (at ends)615 kg (1,356 lbs)

PTO (Power take-off shaft)

Middle PTO typeOptional
Middle PTO speed2,600 rpm
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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