Yanmar AF328
The Yanmar AF328 is a tractor produced by Yanmar. It is equipped with a 91.3 ci 1.5 L engine. The listed engine power is Diesel (listed): 28 hp / 20.9 kW. Transmission: 16 forward and reverse. Operating weight: 2756 lbs 1250 kg.
Engine Power
Diesel (listed): 28 hp / 20.9 kW
Fuel & Capacities
9.5 gal
36.0 L
Transmission
16 forward and reverse
Operating Weight
2756 lbs
1250 kg
Overview
 | 2002 - 2005
AF300 Series |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Yanmar AF328 Engine | |
|---|---|
Yanmar 1.5L 3-cyl diesel | |
Fuel tank | 9.5 gal
36.0 L |
Engine details ...  | |
Yanmar AF328 Transmission | |
|---|---|
16-speed power shuttle | |
Transmission details ...  |
Yanmar AF328 Power | |
|---|---|
Engine | 28 hp
20.9 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Wet disc brakes | |
Two-post ROPS. |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position control |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 568/784/991/1296 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 64.6 inches
164 cm |
Weight | 2756 lbs
1250 kg |
Front tire | 7-16 |
Rear tire | 11.2-24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 70 |
Engine
Engine Detail — 91.3 ci / 1.5 L Diesel
Manufacturer | Yanmar 3TNE84 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 91.3 ci
1.5 L |
Bore/Stroke | 3.31x3.54 inches
84 x 90 mm |
Power | 28 hp
20.9 kW |
Fuel system | direct injection |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 16 forward and reverse power shuttle
Type | power shuttle |
Gears | 16 forward and reverse |
Clutch | wet disc |
Four power shift speeds in four ranges with power shuttle. | |
Dimensions
Yanmar AF328 Tires | |
|---|---|
Standard tires (ag) | Front: 7-16. Rear: 11.2-24 |
Dimensions | |
|---|---|
Wheelbase | 64.6 inches
164 cm |
Length | 116 inches
294 cm |
Width | 53.7 inches
136 cm |
Height | 76.6 inches
194 cm |
Weight | 2756 lbs
1250 kg |
Ground clearance | 12.4 inches
31 cm |
Front tread | 43.3 inches
109 cm |
Rear tread | 41.7 to 53.5 inches
105 to 135 cm |
Photos
Yanmar AF328 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar AF328 based on its 28 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 | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
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 AF328.
Estimated Continuous Field Runtime: 6.5 hrs
Approximately 6.5 hours of continuous field operation at ~75% rated power on a full tank (9.5 gal / 36 L).
Estimated 75% Load Fuel Burn~1.5 gal/hr (5.5 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 AF328 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar AF328.
Converted Equivalents:
Horsepower (HP)28 hp
Kilowatts (kW)20.9 kW
Metric Horsepower (PS / CV)28.4 PS
Direct Competitor Comparison
Compare Yanmar AF328 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar AF328
Engine Power:Diesel (listed): 28 hp / 20.9 kW
★ Baseline Reference
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