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
Model Kubota B1241
Tractor type Sub-Compact utility tractor
Production years 2018-
Factory
Dimensions and weight
Length 2,410 mm (94.9 in)
Width 990 mm (39 in)
Height 2,210 mm (87 in)
Wheel base 1,270 mm (50 in)
Ground clearance 260 mm (10.2 in)
Weight 740 kg (1,631 lbs)
Fuel capacity
Fuel tank capacity 26.0 liters (6.9 US gal.; 5.7 Imp. gal)

Engine

Engine Specifications
Engine model Kubota D1105
Engine type 4-stroke, SOHC, three-cylinders
Displacement 1.1 L, 1,123 cm3, (68.5 cu·in)
Bore and stroke 78.0 mm X 78.4 mm (3.07 in X 3.09 in)
Max. horsepower 24.3 PS (17.9 kW; 24.0 HP) at 2,600 rpm
Cooling system Liquid-cooled
Fuel used Diesel fuel
Starting system Electric starting with 12V starter
Starting support device Glow plug in combustion chamber
Governor All speed mechanical governor
Charging system Alternator 12V
PTO shaft rotation Counterclockwise
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
Chassis 4×2 2WD or 4×4 MFWD 4WD
Steering type Hydrostatic power
Brakes Wet disc type
Final drive Differential lock: mechanical rear
Transmission
Transmission manufacturer or model
Transmission type Gear type
Gears 9 forward and 3 reverse
Speed Forward: 18.9 kmh (11.7 mph)

Tires

Tires
Front tires Ag: 23×10.50-12
Rear tires Ag: 280/70R18

Rear Hitch

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

PTO (Power take-off shaft)

PTO
Middle PTO type Optional
Middle PTO speed 2,600 rpm
Rear PTO type
Rear PTO speed 540 rpm

Electrical system

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

Attachments

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)

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