Yanmar YM186

The Yanmar YM186 is a tractor produced by Yanmar. It is equipped with a 53.5 ci 0.9 L engine. The rated power output is 18 hp 13.4 kW. Transmission: 9 forward and 3 reverse. Operating weight: 1433 to 1539 pounds.

Overview

	1980 - 1986 Compact Utility tractor
1980 - 1986
Compact Utility tractor

Production
Manufacturer	Yanmar
Compact Utility tractor
Original price was $7,400 in 1986

Variants
YM186	2WD
YM186D	4WD

Yanmar YM186 Engine
Yanmar 0.9L 3-cyl diesel
Engine details ...

Yanmar YM186 Transmission
9-speed three-speed power shift
Transmission details ...

Yanmar YM186 Power
Engine (gross)	18 hp 13.4 kW
PTO (claimed)	16 hp 11.9 kW

Mechanical
Two- or four-wheel drive
Differential lock	mechanical rear
Steering	manual
	power OptOptional
Mechanical dry shoe brakes
Open operator station. ROPS optional.

Capacity
Fuel	4.2 gal 15.9 L
Hydraulic system	2.1 gal 7.9 L

Hydraulics
Type	open center
Capacity	2.1 gal 7.9 L
Pressure	1991 psi 137.3 bar
Total flow	4.8 gpm 18.2 lpm

Tractor hitch
Rear Type	I
Rear lift (at ends)	661 lbs 299 kg
Rear lift (at 24"/610mm)	529 lbs 239 kg

Power Take-off (PTO)
Rear PTO	live
Clutch	overrunning dry disc
Rear PTO Type	540/1000 (1.375)
Engine RPM	540@2430
	1000@2412
Front PTO	independent
Clutch	electro-magnetic
Front PTO Type	pulley

Dimensions & Tires
Weight	1433 to 1539 pounds
Front tire	5.00-12
Rear tire	9.5-16
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	15
Battery volts	12
Battery AH	45

References
YFL Series Loaders published in 1987, by Yanmar
Sales Promotion Manual published in 1979, by Yanmar*
YM186 - YM186D published by Yanmar
YM186 / YM186D published in 1983, by Yanmar
Operation Manual Model YM186 - YM186D (41812011080) published in 1980
*Publication contains known errors.

Engine

Engine Detail — 53.5 ci / 0.9 L Diesel

Manufacturer	Yanmar 3T72HA
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	53.5 ci 0.9 L
Bore/Stroke	2.83x2.83 inches 72 x 72 mm
Power (gross)	18 hp 13.4 kW
Pre-heating	thermostart
Compression	23:1
Rated RPM	2600
Firing order	1-3-2
Starter volts	12
Oil capacity	3.4 qts 3.2 L
Coolant capacity	4.4 qts 4.2 L
Intake valve clearance	0.008 inches 0.203 mm
Exhaust valve clearance	0.008 inches 0.203 mm

Transmission

Transmission — 9 forward and 3 reverse three-speed power shift

Type	three-speed power shift
Gears	9 forward and 3 reverse
Oil capacity	8.4 qts 7.9 L
Three speeds, plus reverse, with three ranges.

Dimensions

Yanmar YM186 Tires
2WD Ag front	5.00-12
4WD Ag front	6-12
Ag rear	9.5-16

Dimensions
Length	98.3 inches 249 cm
Width	42.9 inches 108 cm
Height (steering wheel)	53.1 inches 134 cm
Height (exhaust)	50.0 inches 127 cm
2WD Shipping weight	1433 lbs 650 kg
4WD Shipping weight	1539 lbs 698 kg
Ground clearance	10.4 inches 26 cm

Attachments

Attachment overview
60" mid-mount mower deck
Front-end loader

60" Mower deck
Type	mid-mount Yanmar YQM-60A
	3-blade with hydraulic power lift
Cutting width	60 inches 152 cm

Photos

Yanmar YM186D compact utility tractor.