Brand siblingUtilityPerformance profile
Yanmar AF-18
The Yanmar AF-18 is a compact utility tractor built for small farms and properties. It has a 4-wheel drive system, which helps it work well on different types of land. The tractor uses a creeper transmission with 12 forward and 12 reverse gears, giving the driver lots of speed options. Under the hood, the AF-18 has a Yanmar 3TNE74 diesel engine. This engine has 3 cylinders and is liquid-cooled to keep it running smoothly. It produces 17.8 horsepower, which is on the lower end compared to other tractors. The engine size is also smaller than average, but it runs at a fairly high speed of 2500 rpm. The tractor weighs 1653 pounds, making it lighter than most. It's 103.2 inches long, 43.3 inches wide, and 74.2 inches tall. The AF-18 was first made in 1992 and has agricultural tires on both front and back wheels.
ManufacturerYanmarPower17.8 hpEngine3-cylTranscreeper
Quick specs
- Category
- Utility
- Engine Power Output
- 18hp
- Operating Weight
- 1,653 lb
- Transmission
- creeper
At a glance
How the AF-18 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
17.8 hp · 6th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The AF-18 ranks at the 6th percentile for engine power among recorded utility tractors.
Overview
About the Yanmar AF-18
The Yanmar AF-18 is a compact utility tractor built for small farms and properties. It has a 4-wheel drive system, which helps it work well on different types of land. The tractor uses a creeper transmission with 12 forward and 12 reverse gears, giving the driver lots of speed options. Under the hood, the AF-18 has a Yanmar 3TNE74 diesel engine. This engine has 3 cylinders and is liquid-cooled to keep it running smoothly. It produces 17.8 horsepower, which is on the lower end compared to other tractors. The engine size is also smaller than average, but it runs at a fairly high speed of 2500 rpm. The tractor weighs 1653 pounds, making it lighter than most. It's 103.2 inches long, 43.3 inches wide, and 74.2 inches tall. The AF-18 was first made in 1992 and has agricultural tires on both front and back wheels.
Full specifications
Every recorded spec
General
| Manufacturer | Yanmar |
|---|---|
| Model | AF-18 |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Years built | 1992+ |
| Operating weight | 1,653lb |
Engine
| Make | Yanmar |
|---|---|
| Model | 3TNE74 |
| Power | 17.8hp |
| Cylinders | 3 |
| Displacement | 61.4ci |
| Bore | 2.91in |
| Stroke | 3.07in |
Transmission
| Type | creeper |
|---|---|
| Forward gears | 12 |
| Reverse gears | 12 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
Dimensions
| Length | 103.2in |
|---|---|
| Width | 43.3in |
| Height | 74.2in |
| Operating weight | 1,653lb |
Head to head
AF-18 vs. Utility median
How the Yanmar AF-18 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 17.8 hp | 55 hp | -68% | 6th |
| Engine Displacement | 61.4 ci | 183 ci | -66% | 7th |
| Cylinders | 3 | 4 | -25% | 23rd |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 1,653 lb | 5,303 lb | -69% | 8th |
| Length | 103 in | 137 in | -24% | 11th |
| Width | 43.3 in | 66 in | -34% | 7th |
| Height | 74.2 in | 94.1 in | -21% | 19th |
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 Yanmar tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Yanmar AF-180 | 17.8 hp | 1,653 lb | 1997–2000 | Compare → |
| Yanmar YM1802 | 18 hp | 2,260 lb | 1982–1983 | Compare → |
| Yanmar YM1810 | 18 hp | 1,808 lb | 1980–1981 | Compare → |
| Yanmar YM186 | 18 hp | 1,433 lb | 1980–1986 | Compare → |
| Yanmar YM187 | 18 hp | 1,523 lb | — | 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 → |
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Gallery
Yanmar AF-18 photos
FAQ
Common questions
When was the Yanmar AF-18 made?
The Yanmar AF-18 entered production in 1992.
What is the operating weight of the Yanmar AF-18?
In working trim, the Yanmar AF-18 comes in at roughly 1,653 lb.
Which transmission does the Yanmar AF-18 use?
The Yanmar AF-18 is equipped with a creeper transmission with 12 forward gears.
What is the engine power output of the Yanmar AF-18?
Rated engine output for the Yanmar AF-18 is 17.8 hp, delivered by a 3-cylinder engine. The engine displaces 61.4 ci.
How do I maintain a Yanmar AF-18?
Routine service for the Yanmar AF-18 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.