Overview
The Yanmar AF-28 is a versatile compact utility farm tractor featuring a 27.6 hp 1.5L 3-cylinder diesel engine and a robust four-wheel drive system. Produced between 1992 and 1997, it offers exceptional maneuverability with power steering and a sophisticated transmission system providing 16 forward and reverse gears.
Ideal Applications
High-Precision Field Work:
The 16-speed transmission with a dedicated creeper range and mechanical or power shuttle allows for precise speed control in varied terrain.
All-Terrain Operations:
Equipped with four-wheel drive, a 13-inch ground clearance, and standard agricultural tires, this tractor is built to handle uneven or soft ground conditions.
Specialized Implement Use:
Featuring a JIS1 rear hitch and a 540 RPM rear PTO, the AF-28 is compatible with a variety of attachments for diverse utility tasks.
Production
| Description | Compact Utility tractor |
|---|---|
| Manufacturer | Yanmar |
Engine
| Engine type | Yanmar 1.5L 3-cyl diesel |
|---|---|
| Fuel tank | 10 gal (37.9 L) |
| Bore/Stroke | 3.31x3.54 inches (84 x 90 mm) |
| Description | Yanmar 3TNS84 / diesel / 3-cylinder / liquid-cooled |
| Displacement | 91.29 ci (1.5 L) |
| Power | 27.6 hp (20.6 kW) |
| Rated RPM | 2500 |
| Starter | electric |
| Starter volts | 12 |
Transmission
| Description | Four gears in three ranges, plus creeper range with mechincal shuttle. / Four power shift gears in three ranges, plus creeper range with power shuttle |
|---|---|
| Gears | 16 forward and reverse / 16 forward and reverse |
| Type | shuttle / four-speed power shift |
| Transmission type | 16-speed shuttle / 16-speed four-speed power shift |
| Transmission type | 16-speed shuttle / 16-speed four-speed power shift |
Mechanical
| Cab | Two-post ROPS. Cab optional. |
|---|---|
| Description | Power steering |
| Drive type | Four-wheel drive |
Hitch
| Rear Type | JIS1 |
|---|
PTO
| Engine RPM | 551@2500 |
|---|---|
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery AH | 70 |
|---|---|
| Battery volts | 12 |
| Charging amps | 35 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Front tread | 42.5 inches (107 cm) |
|---|---|
| Ground clearance | 13 inches (33 cm) |
| Height | 77.4 inches (196 cm) |
| Length | 116.5 inches (295 cm) |
| Rear tread | 41.7 to 53.5 inches (105 to 135 cm) |
| Weight | 2767 lbs (1255 kg) |
| Wheelbase | 64.6 inches (164 cm) |
| Width | 54.5 inches (138 cm) |
| Front tire | 7-16 |
| Rear tire | 12.4-24 |
| Weight | 2767 lbs (1255 kg) |
| Wheelbase | 64.6 inches (164 cm) |
| Standard tires (ag) | Front: 7-16. Rear: 12.4-24 |
References
| Description | Super-Forte Mark III (198071-90015) published in 1992 |
|---|