Kubota GL-40 Tractor Specifications & Overview
The Kubota GL-40 is a compact utility tractor produced between 1991 and 1995 as part of Kubota’s early GL Series lineup. Positioned above the GL-35 and below the GL-43, the GL-40 was designed to offer increased power while maintaining a compact body suitable for diverse farm operations.
With a 40 horsepower 4-cylinder diesel engine, four-wheel drive, and a 16-speed transmission, the GL-40 delivers reliable performance for rotary tilling, plowing, mowing, and transport work. Its robust mechanical structure, combined with a large fuel tank, makes it especially well suited for long working hours and overseas agricultural markets.
GL Series Position
| GL Series Model | Production Years | Engine Output |
|---|---|---|
| GL-35 | 1991–1995 | 26.1 kW |
| GL-40 | 1991–1995 | 29.8 kW (40 HP) |
| GL-43 | – | 32.1 kW |
| GL-400 | 1995–1998 | – |
Engine
| Item | Specification |
|---|---|
| Engine model | Kubota diesel |
| Displacement | 2.2 L |
| Cylinders | 4-cylinder |
| Aspiration | Naturally aspirated |
| Rated engine power | 40 hp / 29.8 kW |
| Fuel type | Diesel |
| Fuel tank capacity | 13.2 gal / 50.0 L |
The 2.2-liter Kubota diesel engine is valued for its strong torque characteristics, smooth operation, and durability. The large 50-liter fuel tank allows extended operation without frequent refueling.
Transmission
| Item | Specification |
|---|---|
| Transmission type | Mechanical |
| Number of speeds | 16-speed |
| Drive system | 4WD |
| Steering | Power steering |
The wide 16-speed range provides excellent flexibility, enabling operators to select optimal speeds for both fieldwork and transport tasks.
Power & PTO
| Item | Specification |
|---|---|
| Engine power | 40 hp / 29.8 kW |
| Rear PTO type | 540 rpm (1.375 in) |
| PTO engine RPM | 585 / 789 / 961 / 1263 rpm @ 2600 rpm |
| PTO rotation | Standard & reverse |
The multiple PTO speed settings allow the GL-40 to operate a wide variety of implements, including rotary tillers, mowers, and sprayers.
Hitch
| Item | Specification |
|---|---|
| Rear hitch type | JIS Category 1 |
Dimensions & Tires
| Item | Specification |
|---|---|
| Wheelbase | 72.8 in / 184 cm |
| Operating weight | 3,527 – 3,946 lbs |
| Front tires | 8-18 |
| Rear tires | 12.4-28 |
The heavier frame and balanced dimensions improve traction, stability, and performance during demanding field operations.
Electrical System
| Item | Specification |
|---|---|
| Ground | Negative |
| Battery voltage | 12 V |
Operator & Safety
| Item | Specification |
|---|---|
| ROPS | Two-post ROPS |
| Cab | Optional |
Photos
Due to its early-1990s production period, official photos of the Kubota GL-40 are limited. In design and layout, it closely resembles other early GL Series tractors and later evolved into models such as the GL-400.
Summary
The Kubota GL-40 is a dependable 40HP compact utility tractor that balances power, size, and durability. With its proven 4-cylinder diesel engine, 16-speed transmission, large fuel tank, and strong PTO capability, it remains an excellent option for farmers and international buyers seeking reliable Japanese agricultural machinery.
Since 2006, EVERY FARM TRACTOR has exported Japanese tractors and farm equipment to over 100 countries, supporting customers worldwide with trusted models like the Kubota GL-40.
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