Kubota B21 Specs, Attachments, Weight, Price, Engine and More

Kubota B21 is a tractor that is easy to operate and has a variety of features that make it an excellent choice for farmers and agricultural professionals. The tractor has a powerful engine that allows it to work quickly and efficiently, and its wide range of capabilities makes it an ideal tool for a variety of tasks. Kubota B21 is a reliable tractor that is perfect for use in a variety of settings, and its durable construction ensures that it will last long term.

Kubota B21 Specifications:

Wheel base1,530 mm or 60.2 in
Weight1,810 kg or 3,990 lbs
Power Measured @2600 rpm
Number of Cylinders3
Net Power14 kw
Gross Power21 hp or 16 kw
Fuel tank capacity23.0 liters (6.1 US gal.; 5.1 Imp. gal)
Engine ModelB21
Displacement61.1 cu in (0 m)
Compression Ratio24:01:00
Combustion ChamberSpherical type (E-TVCS)
Cabin typeFour-post ROPS/FOPS
Cylinder Bore, in (mm)2.99 (76.0)
Direction of RotationCounter-clockwise
Engine TypeVertical water-cooled 4-cycle diesel
Fuel SystemInjection Pump
Gross Power, kw (hp)21.0 (15.7)
Low Idle Speed, rpm900
Maximum Speed, rpm3800
Piston Stroke, in (mm)2.90 (73.6)
Rated Speed, rpm2600
Oil Capacity, qts (L)5.1 (5.3)
Oil Filter TypeFull flow paper filter (cartridge type)
Oil Pressure IndicatingElectrical type switch
Total Displacement, cm3 (cu.in)1001 (61.1)
Valve Clearance (Cold), in (mm)0.0057-0.0073 (0.15-0.19)
Lubricating SystemForced lubrication by trochoid pump
Injection Pump TypeBosch MD mini
Injection NozzleMini nozzle
Hydraulics Typeopen center
Governor TypeMechanical
Fuel Tank Capacity, gal (L)6.3 (24.0)
Electrical System Rating, Volts12
Coolant Capacity, qts (L)3.0 (3.1)
Battery Rating12V, 60 AH
BrakesWet disc type
Capacity7.3 gal or 27.6 L
Charging Alternator12V, 150W
Chassis4×4 MFWD 4WD
Differential lockMechanical rear
Pump flow7.1 gpm / 26.9 lpm
Pump Flow Capacity8.5 gal/min (32 l/min)
Pump Typeopen center/constant flow
Relief Valve Pressure2000 psi
Steering flow1.3 gpm
Steering typeHydrostatic power
Total flow32.2 lpm
Transmission model
Turning Radius9.4 ft (3 m)
Transmission typeHydrostatic
Operating Weight3836 lbs or 1,740 kg
Operating Weight 2wd3836.1 lbs / 1,740 kg
SpeedForward: 17.9 kmh (11.1 mph) Reverse: 17.9 (11.1 mph)
Tire Size Front – 2wd / 4wd23×8.50-14 R4
Transmission oil capacity27.6 L (7.3 US. gal, 6.1 Imp. gal.)
Maximum Reverse Speed, mph (kph)9.8 (15.8)
Maximum Forward Speed, mph (kph)11.1 (17.9)
GearsInfinite (3-range) forward and reverse
Fuel Capacity6.4 gal (24 l)

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Kubota B21 is a great tractor for those looking for an affordable option that can handle a variety of tasks. With its simple controls and power, it’s perfect for small farms and hobbyists. Its large platform makes it well-suited for larger projects, and its fuel efficiency means you won’t have to worry about budget constraints. So if you’re looking for a reliable tractor that can do it all, the Kubota B21 is definitely worth consideration.

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