Yanmar AF-18 tractor

Yanmar AF-18

Power

17 hp

Production

1992

Engine

Diesel, 3-cylinder

Weight

1653 lbs [749 kg]

Drive

4WD

From the same series:

AF-17

Introduction

Yanmar AF-18 Compact Utility Tractor

The Yanmar AF-18 is a compact utility tractor produced in 1992, belonging to the AF series. Designed for versatility in agricultural and landscaping applications, this model features a four-wheel-drive configuration and a robust, liquid-cooled diesel powertrain.

Engine and Performance

The tractor is powered by a 1.0-liter, 3-cylinder Yanmar 3TNE74 diesel engine. It delivers 17.8 hp (13.3 kW) at a rated speed of 2500 RPM. The engine utilizes a liquid-cooling system to ensure thermal stability during prolonged operations.

Transmission and PTO

The drivetrain offers two configurations: a standard 8-speed transmission or a 12-speed variant equipped with a creeper gear, allowing for precise speed control during specialized tasks. The rear power take-off (PTO) operates at 540 RPM at an engine speed of 2500 RPM, utilizing a 1.375-inch shaft.

Dimensions and Chassis

With a wheelbase of 53.2 inches and a total weight of 1,653 lbs, the AF-18 is designed for maneuverability in confined spaces. It offers a ground clearance of 13 inches, supported by standard agricultural tires measuring 6.00-12 at the front and 8.3-22 at the rear. The operator station is protected by a two-post Roll-Over Protective Structure (ROPS).

Electrical System

The machine operates on a 12-volt electrical system, powered by a 45 AH battery. It features an electric starter system to facilitate reliable engine ignition.

Conclusion

The Yanmar AF-18 is a practical and maneuverable utility tractor well-suited for small-scale farming, maintenance, and horticultural tasks where a compact footprint and four-wheel-drive traction are required.

Production Information of Yanmar, AF-18

  • Compact Utility tractor
ManufacturerYanmar

Dimension and Tires Information of Yanmar, AF-18

Front tread33.5 inches [85 cm]
Wheelbase53.2 inches [135 cm]
Weight1653 lbs [749 kg]
Height74.2 inches [188 cm]
Length103.2 inches [262 cm]
Rear tread33.9 inches [86 cm]
Ground clearance13 inches [33 cm]
Width43.3 inches [109 cm]
Standard tires (ag)Front: 6.00-12. Rear: 8.3-22

Engine Specifications of Yanmar, AF-18

  • Yanmar 3TNE74
  • Liquid-cooled
  • Diesel
  • 3-cylinder
Power17.8 hp [13.3 kW]
Displacement61.4 ci [1.0 L]
Rated RPM2500
Bore/Stroke2.91x3.07 inches [74 x 78 mm]
Starter volts12
StarterElectric

Transmission Information of Yanmar, AF-18

Transmission variants 1

Gears8 forward and reverse

Transmission variants 2

TypeCreeper
Gears12 forward and reverse
  • 8-speed
  • 12-speed creeper

Mechanical Specs of Yanmar, AF-18

  • Four-wheel drive
  • Two-post ROPS.

Power Information of Yanmar, AF-18

Rear PTO Type540 (1.375)
Rear PTO Type(optional)-745@2500
Rear PTO Type(optional)1228@2500
Engine RPM558@2500
Engine RPM(optional)805@2500

Electrical System of Yanmar, AF-18

GroundNegative
Battery volts12
Battery AH45

Where it sits

With 17 HP, the Yanmar AF-18 sits just above AF-17 (16 HP) in Yanmar's range. Its power puts it in the 4th percentile of 1990s models in our database (2097 machines).

Frequently asked questions

How much horsepower does the Yanmar AF-18 have?

The Yanmar AF-18 delivers 17 HP.

What years was the Yanmar AF-18 produced?

The Yanmar AF-18 was produced in 1992.

What engine does the Yanmar AF-18 have?

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

How much does the Yanmar AF-18 weigh?

The Yanmar AF-18 weighs 1653 lbs [749 kg].

Is the Yanmar AF-18 4WD?

The Yanmar AF-18 is available in 4WD.

Compare the Yanmar AF-18 with another model