Compare/Yanmar AF-180 vs Yanmar YM186

Yanmar AF-180 vs Yanmar YM186

Verdict: Yanmar AF-180 vs Yanmar YM186

The Yanmar AF-180 and the Yanmar YM186 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. Yanmar YM186 is the lighter machine (1,433 kg vs 1,653 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Yanmar AF-180 is the newer design (1997 vs 1980). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Yanmar

Fit score

Best match

Clear

Yanmar

Fit score

Best match

Clear

Rated power

18 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

YanmarReference

liquid-cooledReference

Three speeds, plus reverse, with three ranges.Reference

Differential lock

—

mechanical rearReference

Steering

—

powerReference

Variants

AF-180X

hydrostticReference

—

YM186

—

2WDReference

YM186D

—

4WDReference

Engine

Fuel tank

20.1 LReference

—

Engine

13.3 kWReference

—

Displacement

1.0 LReference

0.9 LReference

Bore/Stroke

74 x 78 mmReference

72 x 72 mmReference

Power

13.3 kWReference

—

Rated RPM

2500Reference

2600Reference

Starter

electricReference

—

Starter volts

12Reference

Engine (gross)

—

13.4 kWReference

Power (gross)

—

13.4 kWReference

Pre-heating

—

thermostartReference

Compression

—

23:1Reference

Firing order

—

1-3-2Reference

Oil capacity

—

7.9 LReference

Coolant capacity

—

4.2 LReference

Intake valve clearance

—

0.203 mmReference

Exhaust valve clearance

—

0.203 mmReference

Transmission

Gear Weight

749 kgReference

—

Type

hydrostaticReference

three-speed power shiftReference

Gears

infinite forward and reverse (3-range)Reference

9 forward and 3 reverseReference

PTO & Hydraulics

Rear PTO Type

540 (1.375)Reference

540/1000 (1.375)Reference

Engine RPM

-745@2500Reference

1000@2412Reference

PTO (claimed)

—

11.9 kWReference

Hydraulic system

—

7.9 LReference

Capacity

—

7.9 LReference

Pressure

—

137.3 barReference

Total flow

—

18.2 lpmReference

Rear Type

—

IReference

Rear lift (at ends)

—

299 kgReference

Rear lift (at 24"/610mm)

—

239 kgReference

Rear PTO

—

liveReference

Clutch

—

electro-magneticReference

Front PTO

—

independentReference

Front PTO Type

—

pulleyReference

Dimensions

Wheelbase

135 cmReference

—

Weight

1653 to 1676 poundsReference

1433 to 1539 poundsReference

Front tire

6.00-12Reference

5.00-12Reference

Rear tire

8.3-22Reference

9.5-16Reference

Standard tires (ag)

Front: 6.00-12. Rear: 8.3-22Reference

—

Length

262 cmReference

249 cmReference

Width

109 cmReference

108 cmReference

Height

192 cmReference

—

Hydro Weight

760 kgReference

—

Ground clearance

33 cmReference

26 cmReference

Front tread

86 cmReference

—

Rear tread

86 cmReference

—

2WD Ag front

—

5.00-12Reference

4WD Ag front

—

6-12Reference

Ag rear

—

9.5-16Reference

Height (steering wheel)

—

134 cmReference

Height (exhaust)

—

127 cmReference

2WD Shipping weight

—

650 kgReference

4WD Shipping weight

—

698 kgReference

Electrical

Ground

negativeReference

Battery volts

12Reference

Charging system

—

alternatorReference

Charging amps

—

15Reference

Battery AH

—

45Reference

Capacities

Fuel

—

15.9 LReference

Yanmar YM186 attachments

Attachment overview

60" Mower deck

Cutting width

—

152 cmReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.