
Yanmar YM336 Compact Utility Tractor (1980–1991)
Overview
The Yanmar YM336 is a high-capacity compact utility tractor produced in Japan from 1980 to 1991. As the upper model in the YM276–YM336 series, it was engineered for operators who required more PTO power, stronger hydraulics, and improved operator control, while still maintaining the compact footprint Yanmar is known for.
Equipped with a 33 horsepower diesel engine, three-speed power shift transmission, live PTO, and power steering, the YM336 is well suited for heavy PTO work, loader operations, and demanding field tasks. It has earned long-term trust in export markets for its durability and real-world performance. The original price in 1991 was approximately USD 12,400.
Engine
| Item | Specification |
|---|---|
| Manufacturer | Yanmar |
| Engine type | Diesel |
| Displacement | 1.5 L |
| Cylinders | 3-cylinder |
| Aspiration | Naturally aspirated |
| Gross engine power | 33 hp (24.6 kW) |
| Fuel tank capacity | 8.5 gal (32.2 L) |
The 1.5-liter Yanmar diesel engine delivers strong torque, smooth operation, and excellent fuel efficiency, even during extended working hours.
Transmission
| Item | Specification |
|---|---|
| Transmission type | Three-speed power shift |
| Total speeds | 12-speed |
| Drive system | 2WD or 4WD |
| Differential lock | Mechanical (rear) |
| Steering | Power steering |
| Brakes | Mechanical drum |
| Safety | Two-post ROPS |
The power shift transmission enables smooth gear changes under load, significantly improving productivity during loader and PTO operations.
Power & Performance
| Item | Output |
|---|---|
| Engine power (gross) | 33 hp (24.6 kW) |
| PTO power (claimed) | 26.5 hp (19.8 kW) |
| PTO power (tested) | 26.98 hp (20.1 kW) |
| Drawbar power (tested) | 22.46 hp (16.7 kW) |
Test results confirm the YM336’s excellent real-world PTO and drawbar performance, making it one of the strongest tractors in its class.
Hydraulics
| Item | Specification |
|---|---|
| Hydraulic system | Open center |
| Hydraulic pressure | 2204 psi (152.0 bar) |
| Pump flow | 8.2 gpm (31.0 L/min) |
The high-flow hydraulic system supports front-end loaders and heavy rear implements with ease.
Hitch
| Item | Specification |
|---|---|
| Rear hitch type | Category I |
| Hitch control | Position and draft control |
| Rear lift capacity (ends) | 2116 lb (959 kg) |
| Rear lift @ 24 in (610 mm) | 1450 lb (657 kg) |
This strong hitch capacity allows the YM336 to handle larger and heavier implements than most compact tractors.
Power Take-Off (PTO)
| Item | Specification |
|---|---|
| Rear PTO | Live PTO |
| PTO clutch | Overrunning dry disc |
| PTO speeds | 540 / 1000 rpm (1.375″) |
The live PTO greatly improves operational efficiency, especially for mowing and rotary implements.
Dimensions & Tires
| Item | Specification |
|---|---|
| Wheelbase | 76.8 in (195 cm) |
| Operating weight | 2627–3400 lb (1192–1542 kg) |
| Front tires | 5.50-16 |
| Rear tires (2WD) | 12.4-28 |
The longer wheelbase and heavier weight provide excellent stability during PTO work and loader use.
Electrical
| Item | Specification |
|---|---|
| Ground | Negative |
| Battery voltage | 12 V |
Attachments
The Yanmar YM336 supports practical attachments that expand its working range:
-
Front-end loader
These options make the tractor suitable for material handling, land preparation, and farm maintenance.
Tests
Independent performance testing confirms the YM336’s strong PTO output and drawbar power, validating its reputation as a high-performance compact utility tractor.
Photos

Photos may show the YM336 in 2WD or 4WD configurations. Appearance varies depending on attachments, tires, and market specifications.
Why Choose the Yanmar YM336?
-
Powerful 33 HP Japanese diesel engine
-
Advanced 12-speed power shift transmission
-
Live PTO with dual PTO speeds
-
High-capacity hydraulics and hitch system
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Proven durability for global export markets
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