Kubota GB18 Specifications & Model Guide
Overview
| Item | Details |
|---|---|
| Model | Kubota GB18 |
| Series | GB Series |
| Production Years | 1997 – 2001 |
| Tractor Type | Sub-Compact Utility Tractor |
| Manufacturer | Kubota (Japan) |
| Engine Power | 17.7 hp (13.2 kW) |
| Drive System | 4WD |
| ROPS | Two-post ROPS |
| Variants | GB18 (gear), GB18F (Glideshift) |
Model Description
The Kubota GB18 is a sub-compact utility tractor designed for small farms, orchards, vineyards, and greenhouse operations.
It combines a compact body with a powerful 1.0L diesel engine, 4WD traction, and optional Glideshift transmission. This makes the GB18 ideal for rotary tilling, mowing, bed preparation, light transport, and many daily farming tasks where maneuverability and reliability are essential.
Engine
| Specification | Details |
|---|---|
| Engine Model | Kubota D1005 diesel |
| Engine Type | 4-stroke, 3-cylinder, liquid-cooled |
| Displacement | 1.0 L (approx. 1,000 cc / 61.1 cu in) |
| Power Output | 17.7 hp (13.2 kW) @ 2600 rpm |
| Fuel Type | Diesel |
| Fuel Tank Capacity | 5.3 gal (20.1 L) |
| Cooling System | Water-cooled |
| Cylinders | 3 |
| Electrical | 12 V, negative ground |
Engine Notes
The Kubota D1005 1.0L diesel is well-known for its durability, smooth low-rpm torque, and excellent fuel efficiency.
It is designed for long hours of low-speed operation, making the GB18 a strong choice for repeated tillage and row-crop work in tight areas.
Transmission
| Specification | Details |
|---|---|
| Standard Transmission | 6-speed gear (2 ranges) |
| Optional Transmission | 18-speed Glideshift (clutchless shifting) |
| Variant | GB18F = Glideshift model |
| Drive | Mechanical 4WD (MFWD) |
| Steering | Power steering |
| Brakes | Mechanical wet disc brakes |
| ROPS | Two-post ROPS (open operator station) |
Transmission Notes
The 6-speed gear box is simple and robust, ideal for users who prefer a basic mechanical setup.
The Glideshift version adds clutchless shifting through multiple ranges, which is very useful for loader work and for operations that require frequent speed changes or forward–reverse movements.
PTO & Hitch
| Specification | Details |
|---|---|
| Rear Hitch Type | Category 0 |
| Hitch Control | Position control |
| Rear PTO Speeds | 451 / 769 / 1207 rpm (1.375″ spline) |
PTO & Hitch Notes
With Category 0 hitch and three PTO speed settings, the Kubota GB18 can drive a wide range of compact implements, including rotary tillers, small mowers, sprayers, and pumps. This flexibility makes it a multi-purpose machine for small-scale professional farming.
Dimensions & Tires
| Specification | Details |
|---|---|
| Wheelbase | 53.2 in (135 cm) |
| Overall Length | 91.3 in (231 cm) |
| Overall Width | 40.9 in (103 cm) |
| Height (ROPS) | 72.8 in (184 cm) |
| Ground Clearance | 12.4 in (31 cm) |
| Operating Weight | 1,521 – 1,565 lbs（gear / Glideshift） |
| Front Tread | 33.1 in (84 cm) |
| Rear Tread | 31.9 / 35.4 in (81 / 89 cm) |
| Front Tire | 6-12 |
| Rear Tire | 8.3-20 |
Dimension Notes
The longer wheelbase and slightly higher weight compared with smaller GB models provide improved stability with rear implements, while the compact width still allows the tractor to work comfortably between narrow rows.
Electrical
| Specification | Details |
|---|---|
| Ground | Negative (electric) |
| Battery Voltage | 12 V |
Photos
| Kubota GB18 | Description |
|---|---|
| No official catalog photos listed | Sub-compact tractor suitable for orchards, vegetable fields, vineyards, and greenhouse work. |
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