Kubota B1241 utility tractor specs and service data

The 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)

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.

ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

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.

Kubota B1241