Iseki TH4290 – Overview
The Iseki TH4290 is a compact utility tractor manufactured from 2004 to 2008 as part of the proven TH Series. Positioned between the TH4260 and TH4330, the TH4290 offers higher output and torque while maintaining a compact body size. It is well suited for tillage, mowing, hauling, and PTO-driven farm implements, especially in export markets that value durability and simple mechanical design.
TH Series Map
| Model | Engine Output |
|---|---|
| TH4260 | 17.7 kW |
| TH4290 | 20.6 kW |
| TH4330 | 24.3 kW |
Engine
| Item | Specification |
|---|---|
| Engine model | Iseki diesel |
| Displacement | 1.5 L |
| Cylinders | 3-cylinder |
| Fuel type | Diesel |
| Rated engine power | 27.6 hp |
| Rated output | 20.6 kW |
| Fuel tank capacity | 7.9 gal (29.9 L) |
Transmission
| Item | Specification |
|---|---|
| Transmission type | Gear |
| Number of speeds | 9-speed |
| Drive system | Four-wheel drive (4WD) |
Power & Mechanical
| Item | Specification |
|---|---|
| Differential lock | Mechanical (rear) |
| Steering | Power steering |
| Brake type | Wet disc brakes |
| ROPS | Two-post folding ROPS |
Hydraulics
| Item | Specification |
|---|---|
| Hydraulic system | Open center |
| Total hydraulic flow | 7.4 gpm (28.0 L/min) |
Tractor Hitch
| Item | Specification |
|---|---|
| Rear hitch type | Category I |
| Rear lift capacity (at ends) | 2,425 lbs (1,099 kg) |
Power Take-Off (PTO)
| Item | Specification |
|---|---|
| Rear PTO (hydraulic) | Independent |
| PTO clutch | Electro-hydraulic |
| Rear PTO speeds | 540 / 1000 rpm |
| Engine rpm @ 540 | 2324 rpm |
| Engine rpm @ 1000 | 2381 rpm |
| Front PTO speed | 2000 rpm |
Dimensions & Tires
| Item | Specification |
|---|---|
| Wheelbase | 65.6 in (166 cm) |
| Operating weight | 2,127–2,172 lbs |
| Front tires | 7-14 |
| Rear tires | 9.5-24 |
Electrical System
| Item | Specification |
|---|---|
| Ground | Negative |
| Charging system | Alternator |
| Charging output | 40 amps |
| Battery voltage | 12 V |
Photos
No official photos of the Iseki TH4290 are currently available. The images below show similar tractors from the Iseki TH Series for reference.
Summary
The Iseki TH4290 delivers a strong balance of power, compact dimensions, and mechanical reliability. With its 1.5L diesel engine, independent PTO, and Category I hitch, it is a practical choice for farmers seeking a dependable Japanese compact tractor for long-term use in diverse agricultural environments.
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