Overview
The Iseki TU257 is a Landhope 7 Series compact utility tractor produced between 1989 and 1992, available in both two-wheel and four-wheel drive configurations. It is powered by a 1.5L 3-cylinder Isuzu diesel engine rated at 24.7 hp and equipped with a 12-speed transmission offering 12 forward and 4 reverse gears.
Ideal Applications
Powertrain and Engine Configuration:
The liquid-cooled Isuzu E3AD1 diesel engine operates at a rated 2500 RPM and features an 86mm bore and stroke with a 91.4 cubic inch displacement.
Transmission and PTO Specifications:
The mechanical layout includes a transmission with three gears plus reverse across four ranges and a rear PTO providing 540 RPM at 2500 engine RPM.
Physical Dimensions and Weight:
Standard 2WD models weigh 1973 lbs with a 13.4-inch ground clearance, while 4WD variants weigh 2161 lbs and utilize 7-16 front and 11.2-24 rear agricultural tires.
Production
| Description | Compact Utility tractor |
|---|---|
| Manufacturer | Iseki |
Engine
| Engine type | Isuzu 1.5L 3-cyl diesel |
|---|---|
| Fuel tank | 6.6 gal (25.0 L) |
| Bore/Stroke | 3.385x3.386 inches (86 x 86 mm) |
| Coolant capacity | 7.4 qts (7.0 L) |
| Description | Isuzu E3AD1 / diesel / 3-cylinder / liquid-cooled |
| Displacement | 91.4 ci (1.5 L) |
| Oil capacity | 4.5 qts (4.3 L) |
| Power | 24.7 hp (18.4 kW) |
| Rated RPM | 2500 |
| Starter | electric |
| Starter volts | 12 |
Transmission
| Description | Three gears, plus reverse, in four ranges. |
|---|---|
| Gears | 12 forward and 4 reverse |
| Oil capacity | 19 qts (18.0 L) |
| Transmission type | 12-speed |
Mechanical
| Cab | Open operator station |
|---|---|
| Drive type | Two- or four-wheel drive |
Hitch
| Rear Type | JIS0 |
|---|
PTO
| Engine RPM | 526@2500 |
|---|---|
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| 2WD Front tread | 37/38.6 inches (93/98 cm) |
|---|---|
| 2WD Ground clearance | 13.4 inches (34 cm) |
| 2WD Weight | 1973 lbs (894 kg) |
| 4WD Front tread | 41.3 inches (104 cm) |
| 4WD Ground clearance | 12.6 inches (32 cm) |
| 4WD Weight | 2161 lbs (980 kg) |
| Height | 56.3 inches (143 cm) |
| Length | 115.6 inches (293 cm) |
| Rear tread | 38.6 to 51.2 inches (98 to 130 cm) |
| Wheelbase | 60.2 inches (152 cm) |
| Width | 50.8 inches (129 cm) |
| 2WD Rear tire | 11.2-24 |
| Front tire | 5.00-15 |
| Weight | 1973 to 2161 pounds |
| Wheelbase | 60.2 inches (152 cm) |
| 2WD Standard tires (ag) | Front: 5.00-15. Rear: 11.2-24 |
| 4WD Standard tires (ag) | Front: 7-16. Rear: 11.2-24 |
References
| Description | Landhope 7 Series TU197 TU217 TU237 TU257 published in 1991, by Iseki / Landhope 197 217 237 257 (1588-913-004-0) published in 1991 |
|---|
Variants
| TU257F | 4WD |
|---|