UtilityPerformance profile
Kubota KB21X
The Kubota KB21X is a compact utility tractor built from 2009 to 2014. It's small but mighty, perfect for farmers who need a versatile machine for tight spaces. This tractor has a 4-wheel drive system and power steering, making it easy to handle in various conditions. Under the hood, the KB21X boasts a Kubota D1105 engine. This 3-cylinder diesel engine is liquid-cooled and naturally aspirated. It produces 20.7 horsepower, which is below average for tractors but suitable for its size. The engine's displacement is 68.5 cubic inches, which is also on the lower end. However, it makes up for this with a high rated RPM of 2600, allowing for efficient operation. The tractor features a power shift transmission with 36 forward and 24 reverse gears, giving operators plenty of options for different tasks. It has agricultural tires in both front and rear, ensuring good traction on farm terrain.
ManufacturerKubotaPower20.7 hpEngine3-cylTransPower shift
Quick specs
- Category
- Utility
- Engine Power Output
- 21hp
- Operating Weight
- 1,609 lb
- Transmission
- Power shift
At a glance
How the KB21X compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
20.7 hp · 9th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The KB21X ranks at the 9th percentile for engine power among recorded utility tractors.
Overview
About the Kubota KB21X
The Kubota KB21X is a compact utility tractor built from 2009 to 2014. It's small but mighty, perfect for farmers who need a versatile machine for tight spaces. This tractor has a 4-wheel drive system and power steering, making it easy to handle in various conditions. Under the hood, the KB21X boasts a Kubota D1105 engine. This 3-cylinder diesel engine is liquid-cooled and naturally aspirated. It produces 20.7 horsepower, which is below average for tractors but suitable for its size. The engine's displacement is 68.5 cubic inches, which is also on the lower end. However, it makes up for this with a high rated RPM of 2600, allowing for efficient operation. The tractor features a power shift transmission with 36 forward and 24 reverse gears, giving operators plenty of options for different tasks. It has agricultural tires in both front and rear, ensuring good traction on farm terrain.
Full specifications
Every recorded spec
General
| Manufacturer | Kubota |
|---|---|
| Model | KB21X |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Years built | 2009–2014 |
| Operating weight | 1,609lb |
Engine
| Make | Kubota |
|---|---|
| Model | D1105 |
| Power | 20.7hp |
| Cylinders | 3 |
| Displacement | 68.5ci |
| Bore | 3.07in |
| Stroke | 3.09in |
Transmission
| Type | Power shift |
|---|---|
| Forward gears | 36 |
| Reverse gears | 24 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
| Cab | ROPS |
Dimensions
| Length | 92.3in |
|---|---|
| Width | 44.5in |
| Height | 74.8in |
| Operating weight | 1,609lb |
Head to head
KB21X vs. Utility median
How the Kubota KB21X compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 20.7 hp | 55 hp | -62% | 9th |
| Engine Displacement | 68.5 ci | 183 ci | -63% | 8th |
| Cylinders | 3 | 4 | -25% | 23rd |
| Forward Gears | 36 | 12 | +200% | 99th |
| Operating Weight | 1,609 lb | 5,303 lb | -70% | 7th |
| Length | 92.3 in | 137 in | -32% | 5th |
| Width | 44.5 in | 66 in | -33% | 9th |
| Height | 74.8 in | 94.1 in | -21% | 20th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared Kubota tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Kubota FT21 | 20.7 hp | 1,995 lb | 2012–2015 | Compare → |
| Kubota GL201 | 20.7 hp | — | 1996–2001 | Compare → |
| Kubota GL21 | 20.7 hp | 2,293 lb | 1990–1992 | Compare → |
| Kubota GT-21 | 20.7 hp | 1,940 lb | 2001–2002 | Compare → |
| Kubota GT-3 | 20.7 hp | 1,918 lb | 1990–2000 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Bobcat CT120 | 21 hp | 2,055 lb | 2008–2010 | Compare → |
| Bolens G212 G2102 | 21 hp | 1,588 lb | — | Compare → |
| Bolens G214 G2104 | 21 hp | 1,676 lb | — | Compare → |
| Branson 2100 | 21 hp | 1,891 lb | — | Compare → |
| Bobcat CT1021 | 21.1 hp | 1,488 lb | — | Compare → |
Explore
Kubota siblings
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Gallery
Kubota KB21X photos
FAQ
Common questions
When was the Kubota KB21X made?
The Kubota KB21X was manufactured from 2009 to 2014.
What hitch category is the Kubota KB21X?
The Kubota KB21X uses a Category Category 3 hitch.
What is the engine power output of the Kubota KB21X?
Rated engine output for the Kubota KB21X is 20.7 hp, delivered by a 3-cylinder engine. The engine displaces 68.5 ci.
What is the operating weight of the Kubota KB21X?
In working trim, the Kubota KB21X comes in at roughly 1,609 lb.
Which transmission does the Kubota KB21X use?
The Kubota KB21X is equipped with a Power shift transmission with 36 forward gears.
How do I maintain a Kubota KB21X?
Routine service for the Kubota KB21X covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.