UtilityPerformance profile
Kubota GL21
The Kubota GL21 is a compact utility tractor that was made from 1990 to 1992. It's a 4-wheel drive tractor with power steering, which makes it easy to handle. The tractor has a gear and power shift transmission with 16 forward and 16 reverse gears, giving the driver lots of options for different tasks. Under the hood, the GL21 has a Kubota D1403 engine. This engine is liquid-cooled and runs on diesel fuel. It has 3 cylinders and puts out 20.7 horsepower, which is on the lower end for tractor power. The engine size is also smaller than average, but it runs at a very high speed of 2600 rpm. The tractor weighs 2293 pounds, which is lighter than many other tractors. It's 116.1 inches long, 50.2 inches wide, and 56.7 inches tall. The GL21 uses standard agricultural tires, with smaller ones in front and bigger ones in back.
ManufacturerKubotaPower20.7 hpEngine3-cylTransGear and Power Shift
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 21hp
- Operating Weight
- 2,293 lb
- Transmission
- Gear and Power Shift
At a glance
How the GL21 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 GL21 ranks at the 9th percentile for engine power among recorded utility tractors.
Overview
About the Kubota GL21
The Kubota GL21 is a compact utility tractor that was made from 1990 to 1992. It's a 4-wheel drive tractor with power steering, which makes it easy to handle. The tractor has a gear and power shift transmission with 16 forward and 16 reverse gears, giving the driver lots of options for different tasks. Under the hood, the GL21 has a Kubota D1403 engine. This engine is liquid-cooled and runs on diesel fuel. It has 3 cylinders and puts out 20.7 horsepower, which is on the lower end for tractor power. The engine size is also smaller than average, but it runs at a very high speed of 2600 rpm. The tractor weighs 2293 pounds, which is lighter than many other tractors. It's 116.1 inches long, 50.2 inches wide, and 56.7 inches tall. The GL21 uses standard agricultural tires, with smaller ones in front and bigger ones in back.
Full specifications
Every recorded spec
General
| Manufacturer | Kubota |
|---|---|
| Model | GL21 |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Years built | 1990–1992 |
| Operating weight | 2,293lb |
Engine
| Make | Kubota |
|---|---|
| Model | D1403 |
| Power | 20.7hp |
| Cylinders | 3 |
| Displacement | 85ci |
| Bore | 3.1in |
| Stroke | 3.6in |
Transmission
| Type | Gear and Power Shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 16 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
Dimensions
| Length | 116.1in |
|---|---|
| Width | 50.2in |
| Height | 56.7in |
| Operating weight | 2,293lb |
Tires
| Front | 14-Jun |
|---|---|
| Rear | 9.5-32 |
Head to head
GL21 vs. Utility median
How the Kubota GL21 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 20.7 hp | 55 hp | -62% | 9th |
| Engine Displacement | 85 ci | 183 ci | -54% | 14th |
| Cylinders | 3 | 4 | -25% | 23rd |
| Forward Gears | 16 | 12 | +33% | 73rd |
| Operating Weight | 2,293 lb | 5,303 lb | -57% | 14th |
| Length | 116 in | 137 in | -15% | 22nd |
| Width | 50.2 in | 66 in | -24% | 18th |
| Height | 56.7 in | 94.1 in | -40% | 7th |
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 GT-21 | 20.7 hp | 1,940 lb | 2001–2002 | Compare → |
| Kubota GT-3 | 20.7 hp | 1,918 lb | 1990–2000 | Compare → |
| Kubota KB21X | 20.7 hp | 1,609 lb | 2009–2014 | 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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FAQ
Common questions
When was the Kubota GL21 in production?
Kubota GL21 production started in 1990 and ended in 1992.
What size tires does the Kubota GL21 use?
Factory rubber for the Kubota GL21 is 14-Jun front tires and 9.5-32 rear tires.
What hitch category is the Kubota GL21?
The Kubota GL21 uses a Category Category 3 hitch.
How much horsepower does the Kubota GL21 have?
The Kubota GL21 produces 20.7 hp from its 3-cylinder engine. Engine displacement is 85 ci.
How much does the Kubota GL21 weigh?
The Kubota GL21 weighs about 2,293 lb in operating condition.
What transmission is in the Kubota GL21?
Transmission on the Kubota GL21 is Gear and Power Shift, with 16 forward speeds.
What maintenance does the Kubota GL21 require?
Like any tractor, the Kubota GL21 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.