Overview
The Yanmar YM336 is a compact utility farm tractor produced between 1980 and 1991, featuring a 1.5L three-cylinder liquid-cooled diesel engine rated at 33 gross horsepower. This model was manufactured in Japan and equipped with a 12-speed three-speed power shift transmission providing 12 forward and 4 reverse gears. It includes a Category I rear hitch with a 2,116-pound lift capacity at the ends and was offered in both two-wheel and four-wheel drive variants.
Ideal Applications
Tested Power Performance:
According to Nebraska Tractor Test 1444, the unit produced a maximum PTO power of 26.98 hp and a maximum drawbar pull of 3,911 lbs while consuming up to 2.0 gallons of fuel per hour.
Transmission and Drivetrain Layout:
The mechanical system consists of a three-speed power shift with four ranges and an overrunning dry disc live PTO capable of 540 and 1000 RPM speeds.
Hitch and Hydraulic Specifications:
The tractor is equipped with an 8.2 gpm open center hydraulic pump operating at 2204 psi to support a Category I hitch with both position and draft control.
Production
| Description | Compact Utility tractor / Built in Japan / Original price was $12,400 in 1991 |
|---|---|
| Manufacturer | Yanmar |
Engine
| Engine type | Yanmar 1.5L 3-cyl diesel |
|---|---|
| Fuel tank | 8.5 gal (32.2 L) |
| Air cleaner | dry |
| Bore/Stroke | 3.31x3.54 inches (84 x 90 mm) |
| Description | Yanmar 3T84A-N / diesel / 3-cylinder / liquid-cooled |
| Displacement | 91.3 ci (1.5 L) |
| Power (gross) | 33 hp (24.6 kW) |
| Pre-heating | thermostart |
| Rated RPM | 2600 |
| Starter volts | 12 |
| Drawbar (tested) | 22.46 hp (16.7 kW) |
| Engine (gross) | 33 hp (24.6 kW) |
| PTO (claimed) | 26.5 hp (19.8 kW) |
| PTO (tested) | 26.98 hp (20.1 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Description | Three power shift gears, plus reverse, in four ranges. |
| Gears | 12 forward and 4 reverse |
| Transmission type | 12-speed three-speed power shift |
| Type | three-speed power shift |
Mechanical
| Description | Power steering / Mechanical drum brakes / Two-post ROPS. |
|---|---|
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pressure | 2204 psi (152.0 bar) |
|---|---|
| Pump flow | 8.2 gpm (31.0 lpm) |
| Type | open center |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift (at 24"/610mm) | 1450 lbs (657 kg) |
| Rear lift (at ends) | 2116 lbs (959 kg) |
| Rear Type | I |
PTO
| Clutch | overrunning dry disc |
|---|---|
| Rear PTO | live |
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Front tread | 44.9 inches (114 cm) |
|---|---|
| Height (exhaust) | 77.2 inches (196 cm) |
| Length | 122.3 inches (310 cm) |
| Rear tread | 45.3 inches (115 cm) |
| Wheelbase | 76.8 inches (195 cm) |
| Width | 57.9 inches (147 cm) |
| 2WD Rear tire | 12.4-28 |
| Front tire | 5.50-16 |
| Weight | 2627 to 3400 pounds |
| Wheelbase | 76.8 inches (195 cm) |
| 2WD Standard tires (ag) | Front: 5.50-16. Rear: 12.4-28 |
| 4WD Standard tires (ag) | Front: 8-16. Rear: 12.4-28 |
| Lawn/turf front | 27x8.5-15 |
| Lawn/turf rear | 13.6-28 |
Nebraska Tractor Test 1444
| Description | Diesel 12-speed 2WDJune 15 - 23, 1982Link: Nebraska Tractor Test 1444 file / PTO performance / Drawbar performance / Gear 4-1 used for power test. / Gear 4-1 used for pull test. |
|---|---|
| Fuel use | 1.9 gal/hour (7.2 l/hour) / 1.8 gal/hour (6.8 l/hour) / 2.0 gal/hour (7.6 l/hour) |
| Max power | 22.46 hp (16.7 kW) |
| Max pull | 3,911 lbs (1774 kg) |
| Power at rated engine speed | 26.98 hp (20.1 kW) |
| Power at rated PTO speed | 25.63 hp (19.1 kW) |
References
| Description | YFL Series Loaders published in 1987, by Yanmar / Sales Promotion Manual published in 1979, by Yanmar* / YM276/336 27 & 33 Horsepower Compact Tractors published in 1987, by Yanmar / *Publication contains known errors. |
|---|
Variants
| YM336 | 2WD |
|---|---|
| YM336D | 4WD |
Yanmar YM336 Weight
| 2WD | 2627 lbs (1191 kg) |
|---|---|
| 4WD | 2843 lbs (1289 kg) |
| 4WD Operating | 3400 lbs (1542 kg) |
Yanmar YM336 attachments
| Description | front-end loader |
|---|