Yanmar YM1820
The Yanmar YM1820 is a compact tractor that was made from 1982 to 1983. It's a small but capable machine, perfect for farmers who need a reliable helper for various tasks. This tractor is 104 inches long, 45 inches wide, and 70 inches tall, making it easy to maneuver in tight spaces. Under the hood, the YM1820 has a Yanmar 3T80U-NB engine. This engine is liquid-cooled and runs on diesel fuel. It has 3 cylinders and can produce 18 horsepower at 2400 RPM. The tractor weighs 2314 pounds, which gives it a good balance of power and stability. The transmission offers 12 forward gears and 4 reverse gears, including a creeper gear for slow-speed work. This variety of gears helps the tractor handle different jobs with ease.

Quick specs
- Category
- Sub-Compact
- Engine Power Output
- 18hp
- Operating Weight
- 2,314 lb
- Transmission
- Partial power shift, Creeper
At a glance
How the YM1820 compares
vs. Sub-Compact medianDistribution
Engine Power (hp)
Across all Sub-Compact tractors
This model
The YM1820 ranks at the 18th percentile for engine power among recorded sub-compact tractors.
Overview
About the Yanmar YM1820
The Yanmar YM1820 is a compact tractor that was made from 1982 to 1983. It's a small but capable machine, perfect for farmers who need a reliable helper for various tasks. This tractor is 104 inches long, 45 inches wide, and 70 inches tall, making it easy to maneuver in tight spaces. Under the hood, the YM1820 has a Yanmar 3T80U-NB engine. This engine is liquid-cooled and runs on diesel fuel. It has 3 cylinders and can produce 18 horsepower at 2400 RPM. The tractor weighs 2314 pounds, which gives it a good balance of power and stability. The transmission offers 12 forward gears and 4 reverse gears, including a creeper gear for slow-speed work. This variety of gears helps the tractor handle different jobs with ease.
Full specifications
Every recorded spec
General
| Manufacturer | Yanmar |
|---|---|
| Model | YM1820 |
| Category | Sub-Compact tractor |
| Years built | 1982–1983 |
| Operating weight | 2,314lb |
Engine
| Make | Yanmar |
|---|---|
| Model | 3T80U-NB |
| Power | 18hp |
| Cylinders | 3 |
| Displacement | 78.1ci |
| Bore | 3.15in |
| Stroke | 3.35in |
Transmission
| Type | Partial power shift, Creeper |
|---|---|
| Forward gears | 12 |
| Reverse gears | 4 |
Dimensions
| Length | 104in |
|---|---|
| Width | 45in |
| Height | 70in |
| Operating weight | 2,314lb |
Head to head
YM1820 vs. Sub-Compact median
How the Yanmar YM1820 compares to other Sub-Compact tractors
| Spec | This model | Sub-Compact median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 18 hp | 26.9 hp | -33% | 18th |
| Engine Displacement | 78.1 ci | 91.4 ci | -15% | 38th |
| Cylinders | 3 | 3 | at median | 50th |
| Forward Gears | 12 | 9 | +33% | 73rd |
| Operating Weight | 2,314 lb | 2,700 lb | -14% | 42nd |
| Length | 104 in | 113 in | -8% | 36th |
| Width | 45 in | 50.7 in | -11% | 27th |
| Height | 70 in | 78.4 in | -11% | 28th |
Medians and percentiles are computed from the sub-compact tractors in our database with a recorded value for each spec (sample sizes 584–816 models).
Compare to tractors with similar specs
Commonly compared Yanmar tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Yanmar AC-18 | 18 hp | 1,422 lb | 2002–2007 | Compare → |
| Yanmar AF118 | 18 hp | 1,466 lb | 2002–2005 | Compare → |
| Yanmar F180D | 18 hp | — | — | Compare → |
| Yanmar YM180 | 18 hp | 1,436 lb | — | Compare → |
| Yanmar F175 | 17 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 5015 | 18 hp | 1,278 lb | 1982–1985 | Compare → |
| Allis Chalmers WC (1938-1948) | 18 hp | 3,792 lb | 1938–1948 | Compare → |
| Bolens 1886 | 18 hp | — | 1971–1972 | Compare → |
| CaseIH 235 | 18 hp | 1,350 lb | — | Compare → |
| CaseIH Farmall DX18E | 18 hp | 1,314 lb | — | Compare → |
Explore
Yanmar siblings
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Similar-spec models
Gallery
Yanmar YM1820 photos





FAQ
Common questions
When was the Yanmar YM1820 made?
The Yanmar YM1820 was manufactured from 1982 to 1983.
What is the operating weight of the Yanmar YM1820?
In working trim, the Yanmar YM1820 comes in at roughly 2,314 lb.
Which transmission does the Yanmar YM1820 use?
The Yanmar YM1820 is equipped with a Partial power shift, Creeper transmission with 12 forward gears.
What is the engine power output of the Yanmar YM1820?
Rated engine output for the Yanmar YM1820 is 18 hp, delivered by a 3-cylinder engine. The engine displaces 78.1 ci.
How do I maintain a Yanmar YM1820?
Routine service for the Yanmar YM1820 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.

