Brand siblingSub-CompactPerformance profile
Yanmar AC-18
The Yanmar AC-18 is a compact tractor made from 2002 to 2007. It's powered by a Yanmar 3TNE74 diesel engine with 3 cylinders and 18 horsepower. This engine is liquid-cooled and naturally aspirated, which means it doesn't use a turbocharger. The tractor has a hydrostatic transmission, giving it smooth speed control in both forward and reverse. This tractor is small but mighty, measuring 87 inches long, 47.2 inches wide, and 69.5 inches tall. It weighs 1422 pounds, making it easy to maneuver in tight spaces. The AC-18 has good ground clearance at 13.4 inches, which helps it work well in rough terrain. It uses a 12-volt electrical system and has an electric starter for easy operation. The tractor's Category 3 hitch allows it to use many different attachments, making it versatile for various farm tasks.
ManufacturerYanmarPower18 hpEngine3-cylTransHydrostatic
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Quick specs
- Category
- Sub-Compact
- Engine Power Output
- 18hp
- Operating Weight
- 1,422 lb
- Transmission
- Hydrostatic
At a glance
How the AC-18 compares
vs. Sub-Compact medianDistribution
Engine Power (hp)
Across all Sub-Compact tractors
18 hp · 18th
This model
4
Median 26.85 hp
49
This modelSub-Compact tractorsMediann = 816
The AC-18 ranks at the 18th percentile for engine power among recorded sub-compact tractors.
Overview
About the Yanmar AC-18
The Yanmar AC-18 is a compact tractor made from 2002 to 2007. It's powered by a Yanmar 3TNE74 diesel engine with 3 cylinders and 18 horsepower. This engine is liquid-cooled and naturally aspirated, which means it doesn't use a turbocharger. The tractor has a hydrostatic transmission, giving it smooth speed control in both forward and reverse. This tractor is small but mighty, measuring 87 inches long, 47.2 inches wide, and 69.5 inches tall. It weighs 1422 pounds, making it easy to maneuver in tight spaces. The AC-18 has good ground clearance at 13.4 inches, which helps it work well in rough terrain. It uses a 12-volt electrical system and has an electric starter for easy operation. The tractor's Category 3 hitch allows it to use many different attachments, making it versatile for various farm tasks.
Full specifications
Every recorded spec
General
| Manufacturer | Yanmar |
|---|---|
| Model | AC-18 |
| Category | Sub-Compact tractor |
| Years built | 2002–2007 |
| Operating weight | 1,422lb |
Engine
| Make | Yanmar |
|---|---|
| Model | 3TNE74 |
| Power | 18hp |
| Cylinders | 3 |
| Displacement | 61.4ci |
| Bore | 2.91in |
| Stroke | 3.07in |
Transmission
| Type | Hydrostatic |
|---|
Dimensions
| Length | 87in |
|---|---|
| Width | 47.2in |
| Height | 69.5in |
| Operating weight | 1,422lb |
Head to head
AC-18 vs. Sub-Compact median
How the Yanmar AC-18 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 | 61.4 ci | 91.4 ci | -33% | 24th |
| Cylinders | 3 | 3 | at median | 50th |
| Operating Weight | 1,422 lb | 2,700 lb | -47% | 16th |
| Length | 87 in | 113 in | -23% | 14th |
| Width | 47.2 in | 50.7 in | -7% | 38th |
| Height | 69.5 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 AF118 | 18 hp | 1,466 lb | 2002–2005 | Compare → |
| Yanmar F180D | 18 hp | — | — | Compare → |
| Yanmar YM180 | 18 hp | 1,436 lb | — | Compare → |
| Yanmar YM1820 | 18 hp | 2,314 lb | 1982–1983 | 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 → |
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FAQ
Common questions
When was the Yanmar AC-18 made?
The Yanmar AC-18 was manufactured from 2002 to 2007.
What is the operating weight of the Yanmar AC-18?
In working trim, the Yanmar AC-18 comes in at roughly 1,422 lb.
Which transmission does the Yanmar AC-18 use?
The Yanmar AC-18 is equipped with a Hydrostatic transmission.
What hitch category is the Yanmar AC-18?
The Yanmar AC-18 uses a Category Category 3 hitch.
What is the engine power output of the Yanmar AC-18?
Rated engine output for the Yanmar AC-18 is 18 hp, delivered by a 3-cylinder engine. The engine displaces 61.4 ci.
How do I maintain a Yanmar AC-18?
Routine service for the Yanmar AC-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.