Yanmar YM186: all source data
All 68 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Yanmar |
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| (no label) | Compact Utility tractor |
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| (no label) | Original price was $7,400 in 1986 |
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Engine| (no label) | Yanmar 0.9L 3-cyl diesel |
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Transmission| (no label) | 9-speed three-speed power shift |
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Power| Engine (gross) | 18 hp | 13.4 kW |
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| PTO (claimed) | 16 hp | 11.9 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| Differential lock | mechanical rear |
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| Steering | manual |
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| Steering | power |
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| (no label) | Mechanical dry shoe brakes |
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| (no label) | Open operator station. ROPS optional. |
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Capacity| Fuel | 4.2 gal | 15.9 L |
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| Hydraulic system | 2.1 gal | 7.9 L |
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Hydraulics| Type | open center |
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| Capacity | 2.1 gal | 7.9 L |
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| Pressure | 1991 psi | 137.3 bar |
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| Total flow | 4.8 gpm | 18.2 lpm |
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Hitch| Rear Type | I |
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| Rear lift (at ends) | 661 lbs | 299 kg |
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| Rear lift (at 24"/610mm) | 529 lbs | 239 kg |
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Pto| Rear PTO | live |
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| Clutch | overrunning dry disc |
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| Rear PTO Type | 540/1000 (1.375) |
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| Engine RPM | 540@2430 |
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| Engine RPM | 1000@2412 |
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| Front PTO | independent |
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| Clutch | electro-magnetic |
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| Front PTO Type | pulley |
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Dimensions| Weight | 1433 to 1539 pounds |
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| Front tire | 5.00-12 |
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| Rear tire | 9.5-16 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 15 |
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| Battery volts | 12 |
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| Battery AH | 45 |
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Engine
Engine detail| (no label) | Yanmar 3T72HA |
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| (no label) | diesel |
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| (no label) | 3-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 53.5 ci | 0.9 L |
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| Bore/Stroke | 2.83x2.83 inches | 72 x 72 mm |
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| Power (gross) | 18 hp | 13.4 kW |
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| Pre-heating | thermostart |
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| Compression | 23:1 |
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| Rated RPM | 2600 |
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| Firing order | 1-3-2 |
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| Starter volts | 12 |
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| Oil capacity | 3.4 qts | 3.2 L |
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| Coolant capacity (Coolant) | 4.4 qts | 4.2 L |
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| Intake valve clearance | 0.008 inches | 0.203 mm |
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| Exhaust valve clearance | 0.008 inches | 0.203 mm |
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Transmission
Transmission| Type | three-speed power shift |
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| Gears | 9 forward and 3 reverse |
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| Oil capacity | 8.4 qts | 7.9 L |
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| (no label) | Three speeds, plus reverse, with three ranges. |
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Dimensions
Tires| 2WD Ag front (2WD) | 5.00-12 |
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| 4WD Ag front (4WD) | 6-12 |
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| Ag rear | 9.5-16 |
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Dimensions| Length | 98.3 inches | 249 cm |
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| Width | 42.9 inches | 108 cm |
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| Height (steering wheel) | 53.1 inches | 134 cm |
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| Height (exhaust) | 50.0 inches | 127 cm |
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| 2WD Shipping weight (2WD) | 1433 lbs | 650 kg |
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| 4WD Shipping weight (4WD) | 1539 lbs | 698 kg |
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| Ground clearance | 10.4 inches | 26 cm |
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