Kubota GB20 Tractor

Manufacturer Kubota
Price -
Model GB20
Equipment Type Sub-Compact Utility Tractors
Factory

VARIANTS

GB20F Glideshift

KUBOTA GB20 POWER

Engine 19.7hp / 14.7kW

ENGINE DETAIL

The Kubota GB20 tractor features a compact D1105 diesel engine, known for its efficient liquid cooling and low displacement, making it suitable for light agricultural tasks and residential landscaping. With a power output of 19.7 hp at 2600 RPM, it strikes a balance between fuel efficiency and performance, though its lower horsepower may limit its use in heavy-duty applications. Advantages include ease of starting with a 12V system, while challenges may arise in demanding scenarios requiring higher torque and horsepower, necessitating careful task matching.

Description Kubota D1105 diesel 3-cylinder liquid-cooled
Displacement 68.5ci / 1.1L
Bore/Stroke 3.07x3.09inches / 78x 78mm
Power 19.7hp / 14.7kW
Rated RPM 2600
Starter negative
Starter volts 12

KUBOTA GB20 ENGINE

The Kubota GB20 tractor features a compact 1.1L 3-cylinder diesel engine, which offers efficient fuel consumption and adequate power for small to medium-scale farming tasks. Its 5.3-gallon (20.1L) fuel tank provides a balanced operational range, suitable for extended work durations without frequent refueling. However, the limited engine displacement may restrict performance in heavy-duty applications, making it best suited for lighter agricultural tasks or landscaping scenarios.

Description Kubota 1.1L 3-cyl diesel
Fuel tank 5.3gal / 20.1L

TRANSMISSIONS OVERVIEW

The Kubota GB20 tractor features a 6-speed gear transmission coupled with an 18-speed range, allowing for versatile operation and improved torque management across various terrains. This gear configuration facilitates efficient power delivery for tasks ranging from light-duty mowing to more demanding agricultural applications. The primary challenge may lie in mastering the transmission system for optimal performance, particularly for inexperienced operators.

Description 6-speed gear 18-speed

TRANSMISSION 1

The Kubota GB20 tractor features a gear transmission system with 6 forward and 2 reverse gears, facilitating versatile speed management in various applications. The unique three-gear offering in two ranges enhances operational efficiency, allowing for optimal performance in both heavy-duty tasks and lighter agricultural activities. However, the limited number of gears may challenge users requiring fine speed adjustments for specific tasks.

Type gear
Gears 6 forward and 2 reverse
Description Three gears, plus reverse, in two ranges

TRANSMISSION 2

The Kubota GB20 tractor features a Glideshift transmission, offering 18 forward and 9 reverse gears, enabling precise speed and torque management for various tasks. With six forward and three reverse gears across three ranges, operators can efficiently adapt to different terrain and load conditions. This versatility can enhance productivity in various applications, although the complexity of the gearing system may require more operator training to optimize performance.

Transmission Glideshift
Gears 18 forward and 9 reverse
Description Six forward and three reverse gears in three ranges

MECHANICAL

The Kubota GB20 features a robust 4x4 MFWD configuration, providing enhanced traction on varied terrains, making it ideal for agricultural tasks. Its power steering facilitates maneuverability, while the mechanical wet disc brakes offer reliable stopping power, albeit with potential maintenance requirements. The 6-speed gear transmission, adaptable to an 18-speed range, allows for precise speed control, optimizing performance across different operational scenarios.

Chassis 4x4 MFWD 4WD
Steering power
Brakes mechanical wet disc
Cab Two-post ROPS
Transmissions 6-speed gear 18-speed

TRACTOR HITCH

Control position control

POWER TAKE-OFF (PTO)

Rear RPM 451/769 / 1207 (1.375)

KUBOTA GB20 TIRES

The Kubota GB20 tractor features standard agricultural tires with a front size of 6.00-12 and rear size of 8.3-22, optimizing traction and stability in diverse field conditions. These tire specifications enhance maneuverability and performance on uneven terrain; however, operations on hard surfaces may experience increased wear. Ideal for mid-sized farms, this tractor’s tire configuration balances power with efficiency for tasks such as plowing and tilling.

Standard tires (ag) Front: 6.00-12. Rear: 8.3-22

DIMENSIONS

Wheelbase 53.2inches / 135cm
Length 92.3inches / 234cm
Width 41.1inches / 104cm
Height (ROPS) 74inches / 187cm
Gear Weight 1543lbs / 699kg
Glideshift Weight 1587lbs / 719kg
Ground clearance 13inches / 33cm
Front tread 33.1inches / 84cm
Rear tread 31.9/35.4inches / 81/89cm

DIMENSIONS & TIRES

The Kubota GB20 tractor features a compact wheelbase of 53.2 inches, enhancing maneuverability in tight spaces, ideal for landscaping or small farm tasks. Weighing between 1543 to 1587 pounds allows it to maintain stability while operating on uneven terrain, though heavier loads might challenge its towing capacity. The front (6.00-12) and rear (8.3-22) tire sizes suggest a design accommodating moderate traction, making it suitable for light-duty applications but may limit performance in extremely muddy conditions.

Wheelbase 53.2inches / 135cm
Weight 1543 to 1587 pounds
Front tire 6.00-12
Rear tire 8.3-22

GB20 SERIAL NUMBERS

Location Serial number tag on the right side of the tractor frame, above the front axle

ELECTRICAL

Ground electric
Battery volts 12


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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