Yanmar AC-18 tractor

Yanmar AC-18

Power

18 hp

Production

2002-2007

Engine

Diesel, 3-cylinder

Transmission

Hydrostatic

From the same series:

AC-16
AC-21

Introduction

Yanmar AC-18 Agricultural Crawler Tractor

The Yanmar AC-18 is a compact agricultural crawler tractor produced between 2002 and 2007. Designed for specialized field applications, it combines a low-profile footprint with tracked propulsion to provide stability and traction on challenging terrain.

Engine and Performance

The tractor is powered by the Yanmar 3TNE74, a 1.0-liter, 3-cylinder liquid-cooled diesel engine. It generates 18 hp (13.4 kW) at a rated speed of 2600 RPM. This power density is configured to handle consistent agricultural tasks, supported by an electric 12-volt starting system.

Transmission and Drive

The machine utilizes a hydrostatic transmission, which allows for infinite forward and reverse speed control across two operational ranges. This system facilitates smooth acceleration and precise maneuverability, essential for row-crop or orchard work. The crawler drive system provides low ground pressure and superior grip compared to traditional wheeled tractors.

Dimensions and Safety

With a base weight of 1422 lbs (645 kg), the AC-18 is designed for agility. Operator safety is managed through a two-post Roll-Over Protective Structure (ROPS), which is standard for this model. The electrical system operates on a 12-volt negative ground architecture.

Conclusion

The Yanmar AC-18 is a specialized tool suited for small-scale farming, landscaping, or operations requiring high stability on uneven ground. Its combination of a hydrostatic drive and a tracked undercarriage makes it an effective solution for applications where traction is prioritized over high-speed transport.

Production Information of Yanmar, AC-18

  • Agricultural Crawler tractor
ManufacturerYanmar

Engine Specifications of Yanmar, AC-18

  • Yanmar 3TNE74
  • Liquid-cooled
  • Diesel
  • 3-cylinder
Power18 hp [13.4 kW]
Displacement61.4 ci [1.0 L]
Rated RPM2600
Bore/Stroke2.91x3.07 inches [74 x 78 mm]
Starter volts12
StarterElectric

Transmission Information of Yanmar, AC-18

Transmission variants 1

TypeHydrostatic
GearsInfinite forward and reverse (2-range)

Mechanical Specs of Yanmar, AC-18

  • Two-post ROPS.
DriveCrawler

Power Information of Yanmar, AC-18

Engine18 hp [13.4 kW]

Electrical System of Yanmar, AC-18

GroundNegative
Battery volts12

Where it sits

With 18 HP, the Yanmar AC-18 sits between AC-16 (15 HP) and AC-21 (20 HP) in Yanmar's range. Its power puts it in the 3th percentile of 2000s models in our database (2822 machines).

Frequently asked questions

How much horsepower does the Yanmar AC-18 have?

The Yanmar AC-18 delivers 18 HP.

What years was the Yanmar AC-18 produced?

The Yanmar AC-18 was produced in 2002-2007.

What engine does the Yanmar AC-18 have?

The Yanmar AC-18 is powered by a Diesel, 3-cylinder engine.

What transmission does the Yanmar AC-18 use?

The Yanmar AC-18 uses a Hydrostatic transmission.

Compare the Yanmar AC-18 with another model