Brand siblingAGCO ST28A
The AGCO ST28A is a utility tractor designed for various farm tasks. It's powered by a 3-cylinder Iseki diesel engine that produces 28.4 horsepower. This liquid-cooled engine has a displacement of 89.3 cubic inches and runs at 2500 rpm. The tractor's compact size, measuring 114.6 inches long, 49.6 inches wide, and 79 inches tall, makes it easy to maneuver in tight spaces. One of the ST28A's standout features is its hydrostatic transmission, which offers infinite forward and reverse gears for smooth operation. The tractor is equipped with hydrostatic power steering for easy control. It has a Category 1 hitch at the rear and an independent PTO with two speed options: 540 rpm at the rear and 2000 rpm in the middle. With an operating weight of 2400 pounds, this AGCO tractor is sturdy enough for most utility tasks while remaining lightweight and versatile.

Quick specs
- Category
- Utility
- Engine Power Output
- 28hp
- Operating Weight
- 2,400 lb
- Transmission
- Hydrostatic
At a glance
How the ST28A compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The ST28A ranks at the 20th percentile for engine power among recorded utility tractors.
Overview
About the AGCO ST28A
The AGCO ST28A is a utility tractor designed for various farm tasks. It's powered by a 3-cylinder Iseki diesel engine that produces 28.4 horsepower. This liquid-cooled engine has a displacement of 89.3 cubic inches and runs at 2500 rpm. The tractor's compact size, measuring 114.6 inches long, 49.6 inches wide, and 79 inches tall, makes it easy to maneuver in tight spaces. One of the ST28A's standout features is its hydrostatic transmission, which offers infinite forward and reverse gears for smooth operation. The tractor is equipped with hydrostatic power steering for easy control. It has a Category 1 hitch at the rear and an independent PTO with two speed options: 540 rpm at the rear and 2000 rpm in the middle. With an operating weight of 2400 pounds, this AGCO tractor is sturdy enough for most utility tasks while remaining lightweight and versatile.
Full specifications
Every recorded spec
General
| Manufacturer | AGCO |
|---|---|
| Model | ST28A |
| Category | Utility tractor |
| Operating weight | 2,400lb |
Engine
| Make | Iseki |
|---|---|
| Power | 28.4hp |
| Cylinders | 3 |
| Displacement | 89.3ci |
| Bore | 3.39in |
| Stroke | 3.3in |
Transmission
| Type | Hydrostatic |
|---|
Chassis & drive
| Steering | Hydrostatic Power |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 114.6in |
|---|---|
| Width | 49.6in |
| Height | 79in |
| Operating weight | 2,400lb |
Head to head
ST28A vs. Utility median
How the AGCO ST28A compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 28.4 hp | 55 hp | -48% | 20th |
| Engine Displacement | 89.3 ci | 183 ci | -51% | 15th |
| Cylinders | 3 | 4 | -25% | 23rd |
| Operating Weight | 2,400 lb | 5,303 lb | -55% | 15th |
| Length | 115 in | 137 in | -16% | 20th |
| Width | 49.6 in | 66 in | -25% | 17th |
| Height | 79 in | 94.1 in | -16% | 27th |
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 AGCO tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO ST30x | 28.4 hp | 1,984 lb | — | Compare → |
| AGCO ST30 | 30.3 hp | 2,594 lb | — | Compare → |
| AGCO ST25 | 24.3 hp | 1,588 lb | — | Compare → |
| AGCO ST32 | 33 hp | 2,642 lb | — | Compare → |
| AGCO ST33A | 33 hp | 2,400 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers D10 | 28.57 hp | 2,700 lb | 1959–1967 | Compare → |
| Allis Chalmers D272 | 27.5 hp | 2,060 lb | — | Compare → |
| Ascot Universal 300 | 27.5 hp | 3,800 lb | — | Compare → |
| Bobcat CT225 | 27 hp | 3,021 lb | 2008–2013 | Compare → |
| Bobcat CT230 | 30 hp | 3,056 lb | 2008–2013 | Compare → |
Explore
AGCO siblings
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Gallery
AGCO ST28A photos





FAQ
Common questions
What is the engine power output of the AGCO ST28A?
Rated engine output for the AGCO ST28A is 28.4 hp, delivered by a 3-cylinder engine. The engine displaces 89.3 ci.
Which transmission does the AGCO ST28A use?
The AGCO ST28A is equipped with a Hydrostatic transmission.
What is the operating weight of the AGCO ST28A?
In working trim, the AGCO ST28A comes in at roughly 2,400 lb.
How do I maintain a AGCO ST28A?
Routine service for the AGCO ST28A 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.

