Kubota B21 Specs,Weight, Price & Review ❤️

Kubota B21 Specs,Weight, Price & Review

Are you looking to buy Kubota B21? But you need to know more about Kubota B21 Specifications, Weight, Price, and Review.

In this post, you can find out more. On the internet, it’s tough to find accurate and detailed information about Kubota B21 Specs, Weight, Price, and Reviews.

So, our team went to several Kubota showrooms, got all the information, and put it all together in an easy way to read and understand.

Let’s look at the latest specs, weight, price, and review of the Kubota B21.

Kubota B21 Overview

The Kubota B21 backhoe-loader tractor had Kubota D1005 engine. It’s a 1.0 L 1100 cm 2, (61.1 cu*in) three-cylinder natural aspirated diesel engine.

It has 76.0 millimeters (2.99 inches) of the bore of the cylinder and 73.6 millimeters (2.9 inches)) of the stroke of the piston.

Kubota B21

The engine can produce 21.4 PS (15.7 kW; 21.0 HP) at 2600 rpm, which is the maximum output power.

The Kubota B21 has hydrostatic power steering, wet disc brakes, four post ROPS/FOPS, and 23.0 Liters (6.1 US gal.; 5.1 Imp. gal) fuel tank.

Kubota B21 Features

  • A Kubota diesel engine creates 21.4 PS (15.7 kW; 21.0 HP) at 2600 rpm.
  • Hydrostatic power steering
  • Wet disc-type brakes
  • Four-post ROPS/FOPS
  • A rear-mounted Category I hitch that can hold a capacity of 460 kilograms (1,015 pounds) of lift capacity.
  • Live rear PTO, with 540 RPM

Attachments are listed below for Kubota B21’s backhoe loader tractor.

  • Kubota loader
  • Kubota backhoe

Kubota B21 Price

Price: USD $21,900(Approx)

Kubota B21 Top Speed

Forward: 17.9 kmh (11.1 mph)
Reverse: 17.9 kmh (11.1 mph)

Kubota B21 Weight

Weight: 1,810 kg (3,990 lbs)

Kubota B21 Horsepower

21.4 PS (15.7 kW; 21.0 HP) at 2,600 rpm

Kubota B21 Specifications


Engine model Kubota D1005
Displacement 1.0 L, 1,001 cm2, (61.1 cu·in)
Max. horsepower 21.4 PS (15.7 kW; 21.0 HP) at 2,600 rpm
Cooling system Liquid-cooled
Coolant capacity 3.4 L (3.6 US. qt, 3 Imp. qt.)
PTO shaft rotation Counterclockwise
Starting system Electric starting with 12V starter
 type 4-stroke, SOHC, three-cylinders
Starting support device Glow plug in combustion chamber
Fuel used Diesel fuel
Governor All speed mechanical governor
Bore and stroke 76.0 mm x 73.6 mm (3.0 in x 2.9 in)
Charging system Alternator 12V

General Specifications

Model Kubota B21
Production years 2001-2007
Tractor type Backhoe-loader tractor

Valve clearance

Exhaust valve clearance 0.145-0.185 mm (0.0057-0.0073 in)
Intake valve clearance 0.145-0.185 mm (0.0057-0.0073 in)

Dimensions and weight

Weight 1,810 kg (3,990 lbs)
Wheel base 1,530 mm (60.2 in)

Oil system

Lubrication system Forced lubrication by trochoid pump
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 pressure indicating Electrical type switch
Oil type CF or higher
Oil capacity 3.0 L (3.2 US. qt, 2.6 Imp. qt.)
Oil filter Full flow paper filter (Cartridge type)
Oil and oil filter change interval Every 200 hours

Fuel capacity

Fuel tank capacity 23.0 liters (6.1 US gal.; 5.1 Imp. gal)


 manufacturer or model
Gears Infinite (3-range) forward and reverse
Transmission oil capacity 27.6 L (7.3 US. gal, 6.1 Imp. gal.)
 type Hydrostatic
Speed Forward: 17.9 kmh (11.1 mph)
Reverse: 17.9 kmh (11.1 mph)

Fuel system

Fuel injection pump Bosch MD type mini fuel injection pump
Firing order 1-2-3
Injection nozzle Mini Nozzle (DNOPD)
Injection pressure 13.73 MPa (140 kgf/cm2, 1,991 psi)


Rear tires Industrial: 12.4-16
Front tires Industrial: 23×8.50-14

Chassis, steering and brakes

Chassis 4×4 MFWD 4WD
Brakes Wet disc type
Steering type Hydrostatic power
Final drive Mechanical rear

Three-Point Hitch

Control type Position control
Category I
Lift capacity (at 610 mm/ 24 in) 460 kg (1,014 lbs)

Electrical system

Charging system
Battery 12V
Ground Negative
Charging amps

PTO(Power take-off shaft)

Rear PTO speed 540 rpm
Rear PTO type Live

Hydraulik System

Hydraulic capacity 27.6 L (7.3 US. gal, 6.1 Imp. gal.)
Steering flow 1.3 gpm (4.9 lpm)
Hydraulic type Open center
Pump flow 7.1 gpm (26.9 lpm)
Total flow 8.4 gpm (31.8 lpm)

Kubota B21 Attachments

Kubota backhoe

2-Foot flat digging depth 2,320 mm (91.7 in)
Bucket force 1,410 kg (3,110 lbs)
Bucket width 400 mm (16 in)
Reach from pivot 3,080 mm (121.3 in)
Dipperstick force 792 kg (1,748 lbs)

Kubota loader

Height (to pin) 2,550 mm (88.8 in)
Rollback angle 40°
Lift to full height (at pin) 420 kg (926 lbs)
Bucket width 1,420 mm (56 in)
Dump angle 45°
Breakout force (lift) 700 kg (1543 lbs)
Raise time to height 3 s

Kubota B21 Review Video

FAQs: Kubota B21

Q. How much does a Kubota B21 weight?

Kubota B21 Weight is 1,810 kg (3,990 lbs).

Q. How much horsepower does a Kubota B21 have?

Kubota B21 Horsepower Has 21.4 PS (15.7 kW; 21.0 HP) at 2,600 rpm.

Q. How Many Cylinders Does Kubota B21 Have?

Kubota B21 Has a 3 Cylinders.

Final Words

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  • Editorial Team

    Editorial Team has written articles on a range of topics, including tractor maintenance, farming practices, and industry news. All articles are well-researched, accurate, and written in a clear and concise manner. Articles are fact-checked by our team of independent editors so that readers will find them useful.