Yanmar
Yanmar YM186
The Yanmar YM186 is a compact utility tractor produced from 1980 to 1986. It features an 18 hp (13.4 kW) liquid-cooled 3-cylinder diesel engine with a 0.9 L displacement. The tractor offers two- or four-wheel drive variants, with a 9-speed three-speed power shift transmission. It has mechanical rear differential lock, manual steering with optional power assist, and mechanical dry shoe brakes. The YM186 includes an open operator station with optional ROPS. It supports a 60" mid-mount mower deck and a front-end loader attachment. The tractor's PTO includes live rear and independent front PTOs. Dimensions include a length of 98.3 inches, width of 42.9 inches, and height of 53.1 inches at the steering wheel. The YM186 is a versatile compact utility tractor suitable for various small farm and landscaping tasks.
Power-
Founded-
ModelYM186
Technical Specifications
Detailed specifications and technical data for Yanmar YM186
Power
| PTO (claimed) | 16 hp (11.9 kW) |
|---|---|
| Engine (gross) | 18 hp (13.4 kW) |
Tires
| Ag rear | 9.5-16 |
|---|---|
| 2WD Ag front | 5.00-12 |
| 4WD Ag front | 6-12 |
Engine
| Type | diesel |
|---|---|
| Model | Yanmar 3T72HA |
| Cooling | liquid-cooled |
| Cylinders | 3-cylinder |
| Rated RPM | 2600 |
| Bore/Stroke | 2.83x2.83 inches (72 x 72 mm) |
| Compression | 23:1 |
| Pre-heating | thermostart |
| Displacement | 53.5 ci (0.9 L) |
| Firing order | 1-3-2 |
| Oil capacity | 3.4 qts (3.2 L) |
| Power (gross) | 18 hp (13.4 kW) |
| Starter volts | 12 |
| 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) |
Capacity
| Fuel | 4.2 gal (15.9 L) |
|---|---|
| Hydraulic system | 2.1 gal (7.9 L) |
Variants
| YM186 | 2WD |
|---|---|
| YM186D | 4WD |
Dimensions
| Width | 42.9 inches (108 cm) |
|---|---|
| Length | 98.3 inches (249 cm) |
| Ground clearance | 10.4 inches (26 cm) |
| Height (exhaust) | 50.0 inches (127 cm) |
| 2WD Shipping weight | 1433 lbs (650 kg) |
| 4WD Shipping weight | 1539 lbs (698 kg) |
| Height (steering wheel) | 53.1 inches (134 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery AH | 45 |
| Battery volts | 12 |
| Charging amps | 15 |
| Charging system | alternator |
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) |
Mechanical
| Drive | Two- or four-wheel drive |
|---|---|
| Brakes | Mechanical dry shoe brakes |
| Steering | manual (power optional) |
| Operator station | Open operator station. ROPS optional. |
| Differential lock | mechanical rear |
Production
| Category | Compact Utility tractor |
|---|---|
| Original price | $7,400 in 1986 |
| Years produced | 1980 - 1986 |
Attachments
| Front-end loader | ModelYFL-650 Loader Dump angle45° Boom cylinder1.75 inches (4 cm) Breakout force1050 lbs (476 kg) Reach (dumped)22 inches (55 cm) Reach (ground)52 inches (132 cm) Rollback angle20° Bucket cylinder1.5 inches (3 cm) Height (at pin)84 inches (213 cm) Clearance (dumped)64 inches (162 cm) Bucket width options48 inches (121 cm), 60 inches (152 cm) Lift capacity (full at pin)600 lbs (272 kg) |
|---|---|
| 60" mid-mount mower deck | mid-mount Yanmar YQM-60A, 3-blade with hydraulic power lift, Cutting width 60 inches (152 cm) |
Transmission
| Type | three-speed power shift |
|---|---|
| Gears | 9 forward and 3 reverse |
| Description | Three speeds, plus reverse, with three ranges. |
| Oil capacity | 8.4 qts (7.9 L) |
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)
| Clutch | overrunning dry disc |
|---|---|
| Rear PTO | live |
| Front PTO | independent |
| Engine RPM | 540@2430, 1000@2412 |
| Rear PTO Type | 540/1000 (1.375) |
| Front PTO Type | pulley |
| Front PTO Clutch | electro-magnetic |