Kubota B21 Price, Specs, Review, Attachments 2023

Kubota B21 Price, Reviews, Specs, Engine Oil Capacity, Weight, Serial Numbers, Attachments, History, Features & Pictures

The Kubota B21 Backhoe loader tractor is equipped with a Kubota E-TVCS diesel 3-cylinder liquid-cooled engine, which delivers 21 hp (15.7 kW) power at a rated rpm of 2600.

Kubota B21 Backhoe loader tractor featured a Kubota 1.0L 3-cyl diesel engine, 4×4 MFWD 4WD, hydrostatic power steering, wet disc brakes, 3988 lbs weight, and 3.2 Qts 3.0 L oil capacity.

The Kubota Backhoe loader tractor attachments include a front-end loader and backhoe.

Now, let’s find out the Kubota B21 Backhoe loader tractor Price, Parts Specs, Reviews, Serial numbers, and images.

Kubota B21 Price

Kubota B21 Price, Specs, Review, Attachments

Kubota B21 Original Price: $15,251 USD

Here are some examples of Kubota B21 prices from online listings:

  • 2004 Kubota B21 with 3,000 hours: $14,450
  • 2006 Kubota B21 with 4,000 hours: $13,000
  • 2007 Kubota B21 with 5,000 hours: $7,500
  • 2008 Kubota B21 with 6,000 hours: $10,000
  • 2010 Kubota B21 with 7,000 hours: $15,000

Kubota B21 Specs

Here are the specifications of the Kubota B21 tractor:

Kubota B21 Engine

Engine Kubota E-TVCS diesel 3-cylinder liquid-cooled
Displacement 61 ci
1.0 L
Bore/Stroke 3.00×2.90 inches
76 x 74 mm
Power (gross) 21 hp
15.7 kW
Rated RPM 2600
Starter volts 12
Oil Capacity 3.2 qts
3.0 L
Coolant capacity 3.6 qts
3.4 L


Fuel 6.3 gal
23.8 L
Hydraulic system 7.3 gal
27.6 L


Rear Type I
Control position control
Rear lift (at 24″/610mm) 1017 lbs
461 kg


Engine (gross) 21 hp
15.7 kW
Engine (net) 19 hp
14.2 kW
PTO (claimed) 13.5 hp
10.1 kW


Chassis 4×4 MFWD 4WD
Differential lock mechanical rear
Steering hydrostatic power
Brakes wet disc
Cab Four-post ROPS/FOPS.

Kubota B21 Transmission

Type hydrostatic
Gears infinite forward and reverse (3-range)
Oil Capacity 29.2 qts
27.6 L


Type open center
Capacity 7.3 gal
27.6 L
Pump flow 7.1 gpm
26.9 lpm
Total flow 8.5 GPM
32.2 lpm
Steering flow 1.3 GPM
4.9 lpm


Rear PTO live
Rear RPM 540

Kubota B21 Dimensions

Wheelbase 60.4 inches
153 cm
Weight 3988 lbs*
1808 kg
Front tread 37.8 inches
96 cm
Rear tread 41.3 inches
104 cm

Kubota B21 Tires

Industrial front 23×8.50-14
Industrial rear 12.4-16


Ground negative
Battery volts 12

Kubota B21 Attachments

Kubota BT751 Backhoe

Height (to pin) 88.8 inches
225 cm
Dump angle 45°
Rollback angle 40°
Breakout force (at pin) 1543 lbs
699 kg
Lift to full height (at pin) 926 lbs
420 kg
Bucket width 56 inches
142 cm
Raise time to the height 3 s

Kubota BT751 Backhoe

Backhoe type Kubota Backhoe
Bucket width 16 inches
40 cm
2-Foot flat digging depth 91.7 inches
232 cm
Reach from pivot 121.3 inches
308 cm
Swing Arc 180
Bucket force 3110 lbs
1410 kg
Dipperstick force 1748 lbs
792 kg
Kubota Official Website: Click Here
Also, Find Here :

Kubota B21 Problems

The Kubota B21 is a reliable tractor, but it is not immune to problems. Some of the most common problems reported with the B21 include:

  • Hydrostatic transmission problems: The hydrostatic transmission on the B21 is a complex system, and it can be susceptible to problems: Common problems include leaks, low fluid levels, and faulty components.
  • Engine problems: The B21 is powered by a 3-cylinder diesel engine. Common engine problems include overheating, low oil pressure, and faulty sensors.
  • Electrical problems: The B21 has a number of electrical components, and these can be susceptible to problems. Common electrical problems include blown fuses, faulty wiring, and bad batteries.
  • Hydraulic system problems: The B21 has a hydraulic system that is used to power the 3-point hitch and the PTO. Common hydraulic system problems include leaks, low fluid levels, and faulty components.
  • Transmission problems: The B21 has a manual transmission. Common transmission problems include gear grinding, slipping, and faulty components.

Kubota B21 Review Video

Final Words