Kubota GB145 Tractor Specifications and Model Guide
The Kubota GB145 is a sub-compact utility tractor produced from 2004 to 2006 as part of the Kubota GB Series.
With four-wheel drive, a compact chassis and an efficient Kubota diesel engine, the GB145 is perfect for small farms, vegetable fields, orchards, vineyards and residential work.
This page summarizes the main specifications of the Kubota GB145, including engine displacement, transmission, PTO details and dimensions, so that overseas buyers can easily understand this popular Japanese used tractor.
Overview
| Item | Details |
|---|---|
| Model | Kubota GB145 |
| Tractor type | Sub-Compact Utility tractor |
| Series | Kubota GB Series |
| Production years | 2004 – 2006 |
| Manufacturer | Kubota Corporation (Japan) |
| Drive | 4WD (Four-wheel drive) |
| Steering | Manual steering |
| Brakes | Mechanical wet disc brakes |
| ROPS | Two-post ROPS |
GB Series model map
| Series map | Engine power (approx.) |
|---|---|
| GB135 | 9.6 kW |
| GB145 | 10.3 kW |
| GB155 | 11.0 kW |
| GB140 (earlier model, 2002–2003) | 10.3 kW |
The GB145 sits in the mid-range of the GB Series, offering a very good balance of compact size and practical power for many light and medium-duty tasks.
Engine
The Kubota GB145 uses a compact and economical 0.7L 3-cylinder Kubota diesel engine.
This engine is designed for low fuel consumption, easy starting and long service life, which makes it attractive as a used tractor in many export markets.
| Item | Details |
|---|---|
| Engine manufacturer | Kubota |
| Engine type | 4-stroke, liquid-cooled diesel |
| Cylinders | 3 cylinders |
| Displacement | 0.7 L class (approx. 700 cc) |
| Engine power | 13.8 hp (10.3 kW) |
| Aspiration | Naturally aspirated |
| Fuel type | Diesel |
| Fuel tank capacity | 3.4 gal (12.9 L) |
| Cooling system | Liquid-cooled |
| Starting system | Electric start |
The 3-cylinder diesel provides smooth torque at low rpm, ideal for rotary tillers, mowers and other small implements used in vegetable farming and orchard work.
Transmission
The GB145 is equipped with a 6-speed gear transmission, which is simple, strong and easy to understand even for first-time tractor users.
| Item | Details |
|---|---|
| Transmission type | Gear drive |
| Number of gears | 6-speed gear (forward/reverse combination) |
| Clutch | Dry single-plate (typical for this class) |
| Drive system | 4WD (Four-wheel drive) |
This basic mechanical transmission offers:
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Reliable power delivery to the wheels
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Easy maintenance with commonly available parts
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Good speed range for tillage, mowing, transport and manoeuvring in tight spaces
PTO (Power Take-Off) and Hitch
Like other GB Series models, the Kubota GB145 is fitted with a rear PTO and Category 0 three-point hitch, which can handle a wide range of small implements.
Rear PTO
| Item | Details |
|---|---|
| Rear PTO type | 540 / 1000 rpm |
| PTO shaft size | 1.375″ |
3-Point Hitch
| Item | Details |
|---|---|
| Rear hitch type | Category 0 |
| Hitch control | Position control |
The position control system lets the operator finely adjust and maintain implement height, making it easier to achieve uniform tillage depth, clean mowing and accurate soil finishing.
Dimensions & Tires
The Kubota GB145 has a short wheelbase and moderate weight, making it very easy to handle in narrow fields, between trees and inside greenhouses.
Its compact size also makes it easy to load into shipping containers for export.
| Item | Details |
|---|---|
| Wheelbase | 50 in (127 cm) |
| Weight | 1,190 lbs (539 kg) |
| Front tire | 5-12 |
| Rear tire | 8-16 |
Because of its light weight and 4WD system, the GB145 is suitable for soft fields and wet conditions, while keeping soil compaction relatively low.
Electrical System
| Item | Details |
|---|---|
| Ground | Electric (negative ground) |
| Battery | 12-volt battery |
The simple 12V electrical system supports lighting, instruments and reliable starting, and replacement parts are easy to find in most countries.
Photos
On EVERY FARM TRACTOR’s website, we usually provide:
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Exterior photos from different angles (front, side and rear)
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Operator’s platform (seat, steering wheel, levers and pedals)
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Engine compartment and underbody
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Tires, PTO shaft and three-point hitch
These photos allow overseas buyers to check the actual condition of the tractor: rust, dents, oil leaks, tire wear, paint condition and any customized parts.
Kubota GB145 – Typical Applications
Thanks to its 14HP-class engine, compact body and four-wheel drive, the Kubota GB145 is ideal for:
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Small family farms and hobby farms
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Vegetable fields and greenhouses
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Orchards and vineyards with narrow spacing
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Garden and lawn maintenance, mowing and light landscaping
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Light transport and trailer work around the farm
For overseas buyers, the GB145 offers:
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Japanese-built reliability and durability
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Efficient 0.7L 3-cylinder diesel engine with low fuel use
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Easy maintenance with basic tools and simple mechanics
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Versatile PTO and hitch that work with many small implements
EVERY FARM TRACTOR can assist with:
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Finding good-condition used Kubota GB145 units in Japan
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Providing detailed inspection reports with many photos and videos
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Arranging safe and efficient shipping from Japan by container or RORO, depending on destination, budget and number of units
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