Satoh ST3820
The Satoh ST3820 is a versatile tractor designed for various farming tasks. It features a robust transmission system with 15 forward gears and 3 reverse gears, giving farmers plenty of options for different jobs. This 18-speed gearbox allows for precise speed control in various field conditions. Under the hood, the ST3820 is powered by a Mitsubishi 4DQ3 engine. This liquid-cooled, 4-cylinder diesel engine packs a punch with 38 horsepower. The engine has a displacement of 90.9 cubic inches, with a bore of 3.03 inches and a stroke of 3.15 inches. These specifications indicate a well-balanced engine designed for durability and efficient performance in agricultural settings.

Quick specs
- Category
- Agricultural
- Engine Power Output
- 38hp
At a glance
How the ST3820 compares
vs. Agricultural medianDistribution
Engine Power (hp)
Across all Agricultural tractors
This model
The ST3820 ranks at the 5th percentile for engine power among recorded agricultural tractors.
Overview
About the Satoh ST3820
The Satoh ST3820 is a versatile tractor designed for various farming tasks. It features a robust transmission system with 15 forward gears and 3 reverse gears, giving farmers plenty of options for different jobs. This 18-speed gearbox allows for precise speed control in various field conditions. Under the hood, the ST3820 is powered by a Mitsubishi 4DQ3 engine. This liquid-cooled, 4-cylinder diesel engine packs a punch with 38 horsepower. The engine has a displacement of 90.9 cubic inches, with a bore of 3.03 inches and a stroke of 3.15 inches. These specifications indicate a well-balanced engine designed for durability and efficient performance in agricultural settings.
Full specifications
Every recorded spec
General
| Manufacturer | Satoh |
|---|---|
| Model | ST3820 |
| Category | Agricultural tractor |
Engine
| Make | Mitsubishi |
|---|---|
| Model | 4DQ3 |
| Power | 38hp |
| Cylinders | 4 |
| Displacement | 90.9ci |
| Bore | 3.03in |
| Stroke | 3.15in |
Transmission
| Forward gears | 15 |
|---|---|
| Reverse gears | 3 |
Head to head
ST3820 vs. Agricultural median
How the Satoh ST3820 compares to other Agricultural tractors
| Spec | This model | Agricultural median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 38 hp | 110 hp | -65% | 5th |
| Engine Displacement | 90.9 ci | 336 ci | -73% | 2nd |
| Cylinders | 4 | 5.5 | -27% | 31st |
| Forward Gears | 15 | 16 | -6% | 44th |
Medians and percentiles are computed from the agricultural tractors in our database with a recorded value for each spec (sample sizes 972–1,130 models).
Compare to tractors with similar specs
Commonly compared Satoh tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Satoh ST3840 | 38 hp | 3,064 lb | — | Compare → |
| Satoh ST3850 | 38 hp | — | — | Compare → |
| Satoh Stallion S750 | 38 hp | — | — | Compare → |
| Satoh ST4000 | 39.5 hp | 3,351 lb | — | Compare → |
| Satoh ST4040 | 39.5 hp | 3,748 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Antonio Carraro Tigre 4000F | 38 hp | 2,756 lb | — | Compare → |
| Antonio Carraro TTR 4400 | 38 hp | 2,811 lb | — | Compare → |
| Allis Chalmers D15 | 37.44 hp | 4,036 lb | — | Compare → |
| Avery 20-35 | 37.33 hp | 7,550 lb | 1923+ | Compare → |
| Allis Chalmers D14 | 37 hp | 3,500 lb | 1957–1960 | Compare → |
Explore
Satoh siblings
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Gallery
Satoh ST3820 photos





FAQ
Common questions
How powerful is the Satoh ST3820?
The Satoh ST3820 has an engine power output of 38 hp. It is powered by a 4-cylinder engine displacing 90.9 ci.
What routine service does the Satoh ST3820 need?
Regular maintenance for the Satoh ST3820 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.

