Yanmar F-6 Forte
The Yanmar F-6 Forte is a tractor produced by Yanmar. It is equipped with a 53.6 ci 0.9 L engine. The listed engine power is Diesel (listed): 15.5 hp / 11.6 kW. Transmission: 12 forward and 4 reverse.
Engine Power
Diesel (listed): 15.5 hp / 11.6 kW
Fuel & Capacities
Diesel
Transmission
12 forward and 4 reverse
Overview
 | 1989 - 1992
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Yanmar F-6 Engine | |
|---|---|
Yanmar 0.9L 3-cyl diesel | |
Engine details ...  |
Yanmar F-6 Transmission | |
|---|---|
12-speed | |
Transmission details ...  |
Yanmar F-6 Power | |
|---|---|
Engine | 15.5 hp
11.6 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Differential lock | mechanical rear |
Open operator station. | |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/750/1000 |
Dimensions & Tires | |
|---|---|
Front tire | 5-12 |
Rear tire | 8-18 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 53.6 ci / 0.9 L Diesel
Manufacturer | Yanmar 3TNA72 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 53.6 ci
0.9 L |
Bore/Stroke | 2.83x2.83 inches
72 x 72 mm |
Power | 15.5 hp
11.6 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 12 forward and 4 reverse
Gears | 12 forward and 4 reverse |
Three speeds, plus reverse, in two ranges with additional creeper range. | |
Dimensions
Yanmar F-6 Tires | |
|---|---|
Ag front | 5-12 |
Ag rear | 8-18 |
Dimensions | |
|---|---|
Length | 124 inches
314 cm |
Width | 54 inches
137 cm |
Height | 51.2 inches
130 cm |
Photos
Yanmar F-6 Forte
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar F-6 Forte based on its 15.5 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. |
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 F-6 Forte.
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 F-6 Forte Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar F-6 Forte.
Converted Equivalents:
Horsepower (HP)15.5 hp
Kilowatts (kW)11.6 kW
Metric Horsepower (PS / CV)15.7 PS
Direct Competitor Comparison
Compare Yanmar F-6 Forte against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar F-6 Forte
Engine Power:Diesel (listed): 15.5 hp / 11.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester D-214
Engine Power:14
Production Years:1958 - 1962
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