Yanmar AF-18
Production years: 1992 • Assembly plant: Nagahama, Shiga / Okayama, Japan
Sources and field evidence
Catalog Archive: Baseline specifications compiled from historical manufacturer archives and equipment registries. Laboratory test report verification in progress.
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Engineering & Capability Benchmark
Specific output, tractive ratio, and segment percentile
Engine and power specifications
- Engine model
- Yanmar 3TNE74
- Fuel type
- Diesel
- Rated horsepower
- 17.8 hp
- Rated PTO Power
- N/A (Yanmar specification)
- Cylinders
- 3
- Displacement
- 1 L (61.4 ci)
- Bore / stroke
- 2.91x3.07 inches 74 x 78 mm
- Rated RPM
- 2500 RPM
- Crankcase oil capacity
- N/A
- Coolant capacity
- N/A
Maintenance picks for the AF-18
Filters, oil and common wear parts for this model.
Transmission and chassis specifications
- Transmission type
- Creeper (12-speed)
- Gears (forward / reverse)
- 12 forward
- Drive system
- 4WD
- Wheelbase
- 53.2 in
- Front tire
- 6.00-12
- Rear tire
- 8.3-22
- Hydraulic flow
- N/A
- Rear hitch
- N/A
Implement Draft & Ballast Matcher
Simulate draft resistance, drawbar power transfer, and optimal axle weight distribution for Yanmar AF-18.
Engine demand (174.7 HP) exceeds rated power (17.8 HP). Reduce working speed by 1.0-1.5 mph or reduce working width.
Instant Used Market Valuation Projector
Algorithmic resale estimate for Yanmar AF-18 (1992)
Direct Segment Rivals & Showdowns
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Yanmar
Japan • 234 Models
Yanmar Holdings Co., Ltd. is a prominent Japanese manufacturer of diesel engines, heavy machinery, and agricultural equipment. Established in Osaka, Japan, in 1912, the company has a long-standing history of innovation and manufacturing excellence. Yanmar's product portfolio is diverse, encompassing engines for various applications such as seagoing vessels, pleasure boats, construction equipment, and agricultural machinery. In addition to its core offerings, the company produces climate control systems, aquafarming systems, and provides remote monitoring services. This diversification highlights Yanmar's commitment to addressing a wide range of industrial and environmental needs. The company's reputation is built on its ability to deliver reliable and efficient power solutions, particularly in the agricultural and marine sectors. Yanmar's dedication to quality and innovation has positioned it as a key player in the global market for diesel engines and heavy machinery.
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