Yanmar YM187 Compact Utility Tractor – Specifications & Overview
Overview
The Yanmar YM187 is a compact utility tractor produced from 1986 to 1989, positioned as the successor to the YM186 within the YM series. Delivering 18 horsepower, a power-shift transmission, and optional 4WD, the YM187 was designed to offer improved usability and versatility for small farms, orchards, and property maintenance.
Manufactured by Yanmar, the YM187 is well regarded for its durable diesel engine, smooth power delivery, and wide compatibility with agricultural and landscaping attachments. It remains a strong performer in the global used tractor market.
Engine
The YM187 is powered by a reliable Yanmar 3-cylinder diesel engine known for efficiency and longevity.
| Item | Specification |
|---|---|
| Engine manufacturer | Yanmar |
| Engine type | Diesel |
| Displacement | 0.9 L |
| Cylinders | 3 |
| Rated engine power | 18 hp |
| Rated output | 13.4 kW |
| Fuel tank capacity | 5.3 gal (20.1 L) |
| Cooling system | Water-cooled |
| Fuel system | Mechanical injection |
Engine highlights
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Smooth operation from 3-cylinder design
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Excellent fuel efficiency
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Proven long-term durability
Transmission
A key feature of the YM187 is its advanced power-shift transmission, offering flexibility across various working conditions.
| Item | Specification |
|---|---|
| Transmission type | Gear with power shift |
| Speeds | 9-speed (three-speed power shift) |
| Drive options | 2WD / 4WD |
| Steering | Manual (power optional) |
| Brakes | Mechanical drum |
Power
| Item | Specification |
|---|---|
| Engine power | 18 hp |
| Kilowatt rating | 13.4 kW |
This output level is ideal for mowing, rotary tilling, light plowing, loader work, and transport tasks.
Variants
| Model | Drive |
|---|---|
| YM187 | 2WD |
| YM187D | 4WD |
The YM187D (4WD) variant is especially suitable for uneven terrain, soft soil, and wet field conditions.
Power Take-Off (PTO)
| Item | Specification |
|---|---|
| PTO position | Rear |
| PTO speeds | 540 / 1000 rpm |
| PTO shaft size | 1.375 in |
Hitch & Hydraulic System
| Item | Specification |
|---|---|
| Hitch type | Rear, Category I |
| Control system | Position control |
| Rear lift capacity (at ends) | 1,036 lbs (469 kg) |
The hydraulic system supports a wide range of implements and attachments.
Dimensions & Tires
| Item | Specification |
|---|---|
| Wheelbase | 57.6 in (146 cm) |
| Operating weight | 1,523–1,658 lbs |
| Front tires | 6.50-10 |
| Rear tires (2WD) | 12.4-16 |
Compact dimensions allow easy maneuverability while maintaining stable performance.
Attachments
The YM187 is compatible with various attachments, making it a versatile year-round machine.
| Attachment | Availability |
|---|---|
| Mid-mount mower deck | 60 in |
| Front-end loader | Yes |
| Backhoe | Yes |
Electrical System
| Item | Specification |
|---|---|
| Ground | Negative |
| Battery voltage | 12 V |
Operator Station
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Open operator station
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Two-post fixed ROPS
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Simple and intuitive control layout
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Excellent forward and rear visibility
Photos
Due to the production era, official catalog photos of the Yanmar YM187 are limited.
Actual tractor condition and appearance vary depending on year, usage, and refurbishment.
Why the Yanmar YM187 Remains Popular
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Reliable 18 hp Yanmar diesel engine
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Power-shift transmission for flexible operation
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Optional 4WD for demanding conditions
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Strong compatibility with mowing and loader attachments
EVERY FARM TRACTOR has been exporting Japanese used tractors since 2006, supplying dependable models like the YM187 to customers in over 100 countries.
If you are looking for YANMAR TRACTOR, please check our stock lists.
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