Kubota B21
Series: Kubota Loader Backhoe
The Kubota B21 belongs to the Kubota Loader Backhoe series. The engine delivers 21.3 hp (14.2 kW), has 3 cylinders, with a displacement of 1,001.2 cm³. Rated speed is 2,600 rpm. The wheelbase measures 1,536.2 mm. The tank holds 24.2 litres. The pump delivers 32.2 l/min. Working pressure is 137.9 bar. The engine fitted is the B21. The Kubota Loader Backhoe series covers 13 models. Rated output within it ranges from 21.3 to 63.9 hp; the B21 sits at the bottom of that range with 21.3 hp. Its immediate neighbours are the BX23S above it with 23.3 hp. 1026 Kubota models across 33 series are on record. The model is listed under Wheel loaders. 11 verified figures from 1 source are on file.
Technical data
Engine
| Engine model | B21correct |
|---|---|
| Power | 21.3 hp (14.2 kW)correct |
| Rated speed | 2,600 rpmcorrect |
| Cylinders | 3correct |
| Displacement | 1,001.2 cm³correct |
Dimensions and weights
| Wheelbase | 1,536.2correct |
|---|
Drivetrain and chassis
| Gearbox type | HST (3 range)correct |
|---|
Working data
| Pump flow | 32.2 l/mincorrect |
|---|---|
| Hydraulic pressure | 137.9correct |
| Fuel tank capacity | 24.2 lcorrect |
Frequently asked questions
How much power does the Kubota B21 have?
The Kubota B21 delivers 21.3 hp.
What engine does the Kubota B21 have?
3 cylinders, 1,001 cm³ displacement.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 11 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Other models in this series
Sources: [1]
Wheeled excavator in 3D section
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