Yanmar AF-18 Specs, Price and Review (2026)
Lawn · 17.8 HP · Best for small farms and versatility
Power
17.8 HP (13 kW)
Fuel
Diesel
Transmission
Manual
PTO
15 HP @ 540 rpm
Weight
750 kg (1 t)
New price (est.)
$3,076 – $4,614
Est. used price
$923 – $2,999
Overview
The Yanmar AF-18 is a 17.8 HP lawn and garden tractor built for mowing, property maintenance, and light attachments. The Yanmar tractor lineup is known for durability, and the AF-18 is no exception. This page provides detailed Yanmar AF-18 specifications — engine, transmission, PTO, hydraulics, weight, and dimensions — sourced from manufacturer technical data. Whether you need a AF-18 review for a purchase decision or a trade-in comparison, this page covers performance analysis and suitability scoring. For Yanmar AF-18 price guidance, we provide new price estimates and used market ranges so you can budget accurately before contacting a dealer. Compare the Yanmar AF-18 with similar tractors using the links below, or use our TractorFit™ analysis to see how it scores for your specific operation.
TractorFitâ„¢ Analysis
Overall score
Based on specs and use-case fit for Yanmar AF-18.
This model sits in the compact utility class with engine power suited to property maintenance and light duties. A manual gearbox offers straightforward operation and lower complexity. Best suited to residential and light commercial mowing and landscaping. PTO horsepower and speed options support mowers, hay tools, and other driven implements. Key specs include 17.8 HP, 15 HP PTO, 1 t operating weight, estimated used range $923–$2,999, and overall suitability 55/100.
Higher = simpler
Pros
- ✓Simple maintenance; mechanical transmission with lower repair costs.
- ✓High versatility: PTO and hydraulic options for multiple implements.
- ✓Strong value for money relative to power and features.
- ✓Adequate power for light duties and use in tight spaces.
- ✓Reliable manual transmission with low maintenance cost.
Cons
- •Limited power for large-scale work or heavy equipment.
- •Limited capacity for intensive loader work.
- •Modest power-to-weight ratio; less agility in traction and on slopes.
- •Basic hydraulic system; limited for demanding implements.
Yanmar AF-18 receives an overall suitability score of 55/100 from the TractorSuitability™ Engine. Ideal for small to mid-size farms (roughly 5–40 ha), light fieldwork, mowing, and properties where maneuverability matters, mixed use with multiple PTO and hydraulic implements, tight spaces and transport on smaller trailers. The suitability sub-scores allow an objective comparison of performance across farm sizes and use types. With 17.8 HP and around 1 tons weight, it fits small and mid-size farms where maneuverability and running costs matter. Loader work rates 11/100; fuel efficiency index is 69/100. Maintenance is classified as Low: Mechanical transmission and straightforward engine design; lower repair costs and easier DIY or general dealer servicing. Operating cost tier is Low: Good fuel efficiency, strong value tier, and low maintenance complexity keep operating costs down. Versatility (71/100) reflects PTO and hydraulic options; cost tier (99/100) reflects value for money. It stands out in: value. It has relative limitations in: large farm, loader. Overall, it offers a balanced profile for its class. The TractorSuitability™ Engine uses manufacturer technical data only to compute these indices in an objective, reproducible way. We recommend comparing these scores with your specific acreage, crop type, and implement needs before deciding.
Real-world performance & ownership
Highlights
- Compact engine output suits mowing and light loader use.
- Manual transmission keeps design simple and ownership costs lower.
- Operating weight around 1 t aids maneuverability and transport.
- Rated PTO output of 15 HP supports mowers, hay tools, and other driven implements.
- Suitability profile is solid across typical use cases.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $923–$2,999 USD.
- Lawn and garden focus favors mowing and property maintenance.
Trade-offs
- Maintenance complexity is rated on the higher side; factor in service access and parts availability.
- Loader and front attachment suitability is limited by design; best for lighter loader duties.
Best for
- Residential mowing
- Small property upkeep
- Light towing
- Mixed tasks and attachment use
Not ideal for
- Heavy, continuous loader work
- Low-maintenance-first buyers
- Large-acreage row-crop or heavy tillage
Yanmar AF-18 — Pros and Cons
Pros
- Compact engine output suits mowing and light loader use.
- Manual transmission keeps design simple and ownership costs lower.
- Operating weight around 1 t aids maneuverability and transport.
- Rated PTO output of 15 HP supports mowers, hay tools, and other driven implements.
- Suitability profile is solid across typical use cases.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $923–$2,999 USD.
- Lawn and garden focus favors mowing and property maintenance.
Cons
- Maintenance complexity is rated on the higher side; factor in service access and parts availability.
- Loader and front attachment suitability is limited by design; best for lighter loader duties.
Used market insights
Estimated used price
$923 – $2,999 USD
High confidence
Estimate only. Actual prices vary by condition, hours, and region.
Buyer checklist
- Verify mower deck or attachment compatibility and condition.
- Check for oil leaks and transmission operation; HST repairs are costly.
- Confirm tire condition and that the machine fits your storage and access.
For used Yanmar AF-18, check hours and blade deck condition. Verify PTO and transmission operation, and that attachments match.
Find Used Listings (International)
Technical Specifications
What this means: Smaller engines favor residential use; check oil capacity and service intervals for your usage.
Engine
- Maximum Power (Gross)
- 17.8 HP (13 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Documentation & Resources
Compare with similar models
Better Alternatives
Frequently asked questions
What type of transmission does the Yanmar AF-18 have?
The Yanmar AF-18 uses a manual transmission.
What should I check when buying a used Yanmar AF-18?
Verify hours, condition, service history, PTO operation, hydraulics, and tire wear. Confirm weight and dimensions if you need to transport or match implements.
What fuel does the Yanmar AF-18 use?
The Yanmar AF-18 uses diesel fuel.
What is the weight of the Yanmar AF-18?
Operating weight is approximately 750 kg (1 tons).
Where can I find used Yanmar AF-18 listings?
This page links to international marketplaces where you can search for used Yanmar AF-18 tractors; listings are provided by third parties.
How much does a used Yanmar AF-18 cost?
Used Yanmar AF-18 tractors are often listed in the range of $923–$2,999 USD (high confidence). Actual prices depend on hours, condition, and region.
Does the Yanmar AF-18 have a PTO?
Yes. The Yanmar AF-18 has a rear PTO rated at 15 HP at 540 rpm.
Yanmar AF-18: Complete Tractor Specifications and Technical Data
Overview
The Yanmar AF-18 is a lawn tractor from Yanmar designed for landscaping and property maintenance. This comprehensive tractor specifications guide provides complete technical data, engine specifications, transmission details, dimensions, and hydraulic system capabilities. This lawn tractor features a 17.8 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the Yanmar AF-18, making it easy to compare with other models in the Yanmar lineup or across different brands.
Engine Specifications
The Yanmar AF-18 is powered by a diesel engine that delivers 17.8 HP for property maintenance. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate Yanmar's engineering expertise in creating efficient powerplants.
- Maximum Power: 17.8 HP (13 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The Yanmar AF-18 features a manual transmission system. Transmission type affects power delivery and operational efficiency. Different transmission types offer various advantages for different operating conditions and implement requirements.
Dimensions and Weight
Understanding tractor dimensions and weight is essential for storage, transport, and operational compatibility. The Yanmar AF-18's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 1351 mm (53.2 in)
- Weight: 750 kg (1653 lbs)
Power Take-Off (PTO)
The PTO system allows the tractor to transfer engine power to driven implements. PTO specifications, including horsepower and speed ratings, are essential when selecting implements.
- PTO Speed: 540 rpm
- PTO Power: 15 HP (11 kW)
Performance and Applications
The Yanmar AF-18 delivers 17.8 HP performance for landscaping and property maintenance tasks. Tractor performance metrics, including power output, hydraulic capabilities, and dimensions, determine the machine's suitability for various tasks. When evaluating tractor performance, consider your specific application requirements, operating conditions, and implement needs to ensure the Yanmar AF-18 matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the Yanmar AF-18. Key specifications include: 17.8 HP engine, manual transmission, 15 HP PTO, and 750 kg weight. These tractor specifications enable accurate comparisons with other models. Our tractor database provides comprehensive data for thousands of models, making it easy to research specifications and compare tractors.
Conclusion
The Yanmar AF-18 is a versatile lawn tractor from Yanmar, designed for property maintenance. With its 17.8 HP diesel engine and manual transmission, weighing 1 tons, it provides efficient operation for landscaping work. This comprehensive guide offers all essential Yanmar AF-18 tractor data and specifications for informed decision-making.
Conclusion
With 17.8 HP, the Yanmar AF-18 is a solid choice for operators who need Residential mowing, Small property upkeep, Light towing. Check the price range shown above and compare with similar models to ensure it fits your budget. Use our comparison tool to stack the AF-18 against other tractors in the same HP range before making a final decision.