Yanmar F20
The Yanmar F20 is a tractor produced by Yanmar. It is equipped with a 83.1 ci 1.4 L engine. The listed engine power is Diesel (listed): 20 hp / 14.9 kW. Transmission: 9 forward and 3 reverse. Operating weight: 2416 lbs 1095 kg.
Engine Power
Diesel (listed): 20 hp / 14.9 kW
Fuel & Capacities
Diesel
Transmission
9 forward and 3 reverse
Operating Weight
2416 lbs
1095 kg
Overview
 | 1983 - 1987
Super Forte SeriesCompact Utility tractor
Super Forte Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Variants | |
|---|---|
F20 | 2WD gear |
F20D | 4WD gear |
FX20 | 2WD power shift |
FX20D | 4WD power shift |
Yanmar F20 Engine | |
|---|---|
Yanmar 1.4L 3-cyl diesel | |
Engine details ...  |
Yanmar F20 Transmission | |
|---|---|
9-speed gear | |
Transmission details ...  |
Yanmar F20 Power | |
|---|---|
Engine | 20 hp
14.9 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/650/900/1250 |
Dimensions & Tires | |
|---|---|
Weight | 2416 lbs
1095 kg |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 83.1 ci / 1.4 L Diesel
Manufacturer | Yanmar 3TN82 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 83.1 ci
1.4 L |
Bore/Stroke | 3.23x3.39 inches
82 x 86 mm |
Power | 20 hp
14.9 kW |
Starter volts | 12 |
Transmission
Transmission — 9 forward and 3 reverse gear
Type | gear |
Gears | 9 forward and 3 reverse |
Clutch | dry disc |
Three gears, plus reverse, in three ranges. | |
Dimensions
Yanmar F20 Tires |
|---|
Dimensions | |
|---|---|
Length | 113 inches
287 cm |
Width | 49 inches
124 cm |
Height | 69 inches
175 cm |
Weight | 2416 lbs
1095 kg |
Photos
Yanmar F20
Yanmar F20
Yanmar F20
Yanmar F20D operator station and controls.
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar F20 based on its 20 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Yanmar F20.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Yanmar F20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar F20.
Converted Equivalents:
Horsepower (HP)20 hp
Kilowatts (kW)14.9 kW
Metric Horsepower (PS / CV)20.3 PS
Direct Competitor Comparison
Compare Yanmar F20 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar F20
Engine Power:Diesel (listed): 20 hp / 14.9 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 184 Lo-Boy
Engine Power:18
Production Years:1977 - 1980
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