Yanmar YM186

Yanmar YM186The Yanmar YM186 is a 2WD or 4WD compact utility tractor manufactured by Yanmar from 1980 to 1986. The Yanmar YM186 is equipped with a 0.9 L (53.5 cu·in) three-cylinder diesel engine and a transmission with 9 forward and 3 reverse gears.

The Yanmar YM186 compact utility tractor used the Yanmar 3T72HA engine. It is a 0.9 L, 877 cm2, (53.5 cu·in) three-cylinder natural aspirated diesel engine with 72.0 mm (2.83 in) of the cylinder bore and 72.0 mm (2.83 in) of the piston stroke. The compression ratio rating is 23.0:1. This engine produced 18.2 PS (13.4 kW; 18.0 HP) at 2,600 rpm of output power.

The Yanmar YM186 is equipped with manual or power (optional) steering, mechanical dry shoe brakes, Open operator station or ROPS (optional) and 15.9 liters (4.2 US gal.; 3.5 Imp. gal) fuel tank.

This tractor was available in two variants:

  • YM186: 2WD
  • YM186D: 4WD

Yanmar YM186 Specifications

General Specifications
Model Yanmar YM186
Length 2,490 mm (98 in)
Width 1,080 mm (42.5 in)
Height (steering wheel) 1,340 mm (52.8 in)
Wheel base
Ground clearance 260 mm (10.2 in)
Weight 2WD: 650 kg (1,433 lbs)
4WD: 700 kg (1,543 lbs)
Fuel tank capacity 15.9 liters (4.2 US gal.; 3.5 Imp. gal)
Battery 12V, 45Ah
Cabin type Open operator station or ROPS (optional)
Engine
Engine model Yanmar 3T72HA
Engine type Four-stroke, liquid-cooled, inline
Cylinders 3
Fuel type Diesel
Displacement 0.9 L, 877 cm2, (53.5 cu·in)
Bore and stroke 72.0 mm X 72.0 mm (2.83 in X 2.83 in)
Compression ratio 23.0:1
Horsepower 18.2 PS (13.4 kW; 18.0 HP) at 2,600 rpm
Starter Electric
Oil capacity: 3.2 L (3.4 US. qt, 2.8 Imp. qt.)
Coolant capacity: 4.2 L (4.4 US. qt, 3.7 Imp. qt.)
Transmission and chassis
Chassis 4×2 2WD (YM186) or 4×4 MFWD 4WD (YM186D)
Steering type Manual or power (optional)
Brakes Mechanical dry shoe
Transmission model
Transmission type
Gears 9 forward and 3 reverse
Speed Forward: 13.2 kmh (8.2 mph) Reverse: 8.9 kmh (5.5 mph)
Transmission oil capacity 7.9 L (2.1 US. gal, 1.7 Imp. gal.)
Tires
Front tires Ag: 5.00-12 (2WD), 6-12 (4WD)
Rear tires Ag: 9.5-16
Three-Point Hitch
Category I
Control type
Lift capacity (at 610 mm/24 in) 250 kg (551 lbs)
PTO (Power take-off shaft)
Rear PTO type Transmission
Rear PTO speed 540/1000 rpm
Hydraulic system
Hydraulic type Open center
Hydraulic capacity 7.9 L (2.1 US. gal, 1.7 Imp. gal.)
Pressure 1991 psi (137.3 bar)
Total flow 4.8 gpm (18.2 lpm)