
Iseki TH18 Tractor Specifications & Overview
Overview
The Iseki TH18 is a compact utility tractor from the reliable TH Series, designed for small-scale farming, horticulture, and light agricultural work.
Produced between 2004 and 2010, the TH18 is known for its simple mechanical structure, fuel efficiency, and long-term durability.
With compact dimensions, 4WD capability, and a practical PTO setup, the TH18 is well suited for narrow fields, orchards, and farms where maneuverability is essential.
Engine
| Item | Specification |
|---|---|
| Engine manufacturer | Iseki |
| Engine type | Diesel |
| Cylinders | 3 |
| Displacement | 1.0 L |
| Engine power | 17.8 hp |
| Power output | 13.3 kW |
| Fuel tank capacity | 6.6 gal / 25.0 L |
Engine highlights:
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Fuel-efficient small displacement diesel
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Smooth operation with reliable starting
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Designed for long service life
Transmission
| Item | Specification |
|---|---|
| Transmission type | 12-speed gear |
The 12-speed mechanical gearbox provides simple, dependable control for cultivation, transport, and PTO work.
Power & Mechanical Features
| Item | Specification |
|---|---|
| Drive system | Four-wheel drive (4WD) |
| Steering | Power steering |
| Brakes | Wet disc brakes |
| ROPS | Two-post folding ROPS |
Tractor Hitch
| Item | Specification |
|---|---|
| Rear hitch type | JIS Category 0 |
Power Take-Off (PTO)
| Item | Specification |
|---|---|
| Rear PTO type | 540 rpm (1.375 in) |
| PTO engine RPM | 523 @ 2500 rpm |
| 783 @ 2500 rpm | |
| 1184 @ 2500 rpm |
The PTO configuration supports rotary tillers, mowers, and other light agricultural implements.
Dimensions & Tires
| Item | Specification |
|---|---|
| Wheelbase | 53.4 in / 135 cm |
| Operating weight | 1,709 lbs / 775 kg |
| Front tires | 6.00-12 |
| Rear tires | 8.3-22 |
Compact size and light weight allow easy handling on small plots and soft ground.
Electrical System
| Item | Specification |
|---|---|
| Ground | Negative |
| Battery voltage | 12 V |
Photos

Official photos of the Iseki TH18 are currently limited.
The images shown represent typical TH Series tractors. Actual appearance may vary depending on market and optional equipment.
Why Choose the Iseki TH18?
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Compact and lightweight design
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Reliable 18 HP class diesel performance
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Simple mechanical structure for easy maintenance
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Ideal for orchards, gardens, and small farms
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Proven Japanese engineering
The Iseki TH18 remains a practical and dependable compact tractor choice for users seeking efficiency, durability, and ease of operation in smaller agricultural environments.
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