Yanmar AF-22
The Yanmar AF-22 is a tractor produced by Yanmar. It is equipped with a 86.96 ci 1.4 L engine. The listed engine power is Diesel (listed): 21.7 hp / 16.2 kW. Transmission: 16 forward and reverse. Operating weight: 2568 lbs 1164 kg.
Engine Power
Diesel (listed): 21.7 hp / 16.2 kW
Fuel & Capacities
10 gal
37.9 L
Transmission
16 forward and reverse
Operating Weight
2568 lbs
1164 kg
Overview
 | 1992 - 1997
AF SeriesCompact Utility tractor
AF Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Yanmar AF-22 Engine | |
|---|---|
Yanmar 1.4L 3-cyl diesel | |
Fuel tank | 10 gal
37.9 L |
Engine details ...  | |
Yanmar AF-22 Power | |
|---|---|
Engine | 21.7 hp
16.2 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Two-post ROPS. Cab optional. |
Tractor hitch | |
|---|---|
Rear Type | JIS1 |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 551@2500 |
756@2500 | |
963@2500 | |
1293@2500 | |
-694@2500 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 60.6 inches
153 cm |
Weight | 2568 lbs
1164 kg |
Front tire | 6-14 |
Rear tire | 9.5-22 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 35 |
Battery volts | 12 |
Battery AH | 70 |
References | |
|---|---|
 | |
Super-Forte Mark III (198071-90015) published in 1992 |
Engine
Engine Detail — 86.96 ci / 1.4 L Diesel
Manufacturer | Yanmar 3TNS82 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 86.96 ci
1.4 L |
Bore/Stroke | 3.23x3.54 inches
82 x 90 mm |
Power | 21.7 hp
16.2 kW |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
16-speed shuttle | |
16-speed four-speed power shift |
Transmission — 16 forward and reverse shuttle
Type | shuttle |
Gears | 16 forward and reverse |
Four gears in three ranges, plus creeper range with mechincal shuttle. | |
 | |
Transmission — 16 forward and reverse four-speed power shift
Type | four-speed power shift |
Gears | 16 forward and reverse |
Four power shift gears in three ranges, plus creeper range with power shuttle | |
Dimensions
Yanmar AF-22 Tires | |
|---|---|
Standard tires (ag) | Front: 6-14. Rear: 9.5-22 |
Dimensions | |
|---|---|
Wheelbase | 60.6 inches
153 cm |
Length | 113 inches
287 cm |
Width | 48.8 inches
123 cm |
Height | 76.4 inches
194 cm |
Weight | 2568 lbs
1164 kg |
Ground clearance | 12.4 inches
31 cm |
Front tread | 38.6 inches
98 cm |
Rear tread | 38.2/42.9 inches
97/108 cm |
Photos
Yanmar AF-22 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar AF-22 based on its 21.7 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 AF-22.
Estimated Continuous Field Runtime: 8.9 hrs
Approximately 8.9 hours of continuous field operation at ~75% rated power on a full tank (10 gal / 37.9 L).
Estimated 75% Load Fuel Burn~1.1 gal/hr (4.3 L/hr)
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 AF-22 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar AF-22.
Converted Equivalents:
Horsepower (HP)21.7 hp
Kilowatts (kW)16.2 kW
Metric Horsepower (PS / CV)22 PS
Direct Competitor Comparison
Compare Yanmar AF-22 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar AF-22
Engine Power:Diesel (listed): 21.7 hp / 16.2 kW
★ Baseline Reference
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