Iseki TH185 Compact Utility Tractor | 18 HP TH5 Series

Iseki TH185 Tractor Specifications & Overview

Overview

The Iseki TH185 is a compact utility tractor from the TH5 Series, developed as the successor to the earlier TH18 generation.
Produced between 2010 and 2016, the TH185 focuses on improved refinement while retaining the simple, durable mechanical design that made the TH Series popular worldwide.

With compact dimensions, 4WD capability, and an efficient diesel engine, the TH185 is well suited for orchards, vegetable farms, and small-scale agricultural operations.


Engine

Item Specification
Engine manufacturer Iseki
Engine type Diesel
Cylinders 3
Displacement 1.1 L
Engine power 18.3 hp
Power output 13.6 kW
Fuel tank capacity 6.6 gal / 25.0 L

Engine highlights:

  • Efficient 3-cylinder diesel design

  • Smooth operation with good fuel economy

  • Designed for long service life


Transmission

Item Specification
Transmission type 12-speed gear

The 12-speed mechanical transmission provides reliable speed selection for tilling, 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 system supports rotary tillers, mowers, and other light agricultural implements.


Dimensions & Tires

Item Specification
Operating weight 1,786 lbs / 810 kg
Front tires 6-12
Rear tires 8.3-20

Compact size and balanced weight distribution make the TH185 easy to operate in narrow fields and soft ground.


Electrical System

Item Specification
Ground Negative
Battery voltage 12 V
Battery capacity 36 Ah

Photos

https://www.tractordata.com/photos/F011/11484/11484-td3a.jpg?utm_source=chatgpt.com

Official photos of the Iseki TH185 are currently limited.
The images shown represent typical TH Series tractors. Appearance may vary by market and optional equipment.


Why Choose the Iseki TH185?

  • Modernized successor to the TH18

  • Compact 18 HP class performance

  • Reliable 1.1L diesel engine

  • Simple, durable mechanical construction

  • Trusted Japanese engineering

The Iseki TH185 is an excellent choice for users seeking a compact, efficient, and dependable tractor for everyday agricultural work, combining proven TH Series reliability with updated TH5 Series refinement.