Kubota KB20 Tractor

Manufacturer	Kubota
Price	-
Model	KB20
Equipment Type	Sub-Compact Utility Tractors
Factory

KUBOTA KB20 POWER

Engine

19.7hp / 14.7kW

ENGINE DETAIL

The Kubota KB20 tractor is equipped with a robust D1105 diesel engine, providing 19.7 hp at a rated RPM of 2600, which offers reliable power for small to medium agricultural tasks. Its compact displacement of 1.1L and a liquid-cooled system ensure efficient thermal management, promoting longer operational life while minimizing the risk of overheating. Key advantages include its electric starter for ease of use, but potential challenges could arise from its limited power for heavy-duty applications.

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	electric
Starter volts	12

KUBOTA KB20 ENGINE

The Kubota KB20 features a 1.1L 3-cylinder diesel engine, providing efficient fuel consumption suitable for small to medium agricultural tasks. It offers two fuel tank options: a ROPS configuration with a 7.1-gallon (26.9 L) capacity for extended operation, and a 5.6-gallon (21.2 L) cab option for compact design, which may enhance maneuverability in tight spaces. The choice between ROPS and cab could also impact operator comfort and safety, depending on the working environment.

Description	Kubota 1.1L 3-cyl diesel
ROPS Fuel tank	7.1gal / 26.9L
Cab Fuel tank	5.6gal / 21.2L

TRANSMISSIONS OVERVIEW

The Kubota KB20 tractor features a 9-speed transmission with a 36-speed power shift option, providing enhanced operational flexibility for various tasks. This transmission setup optimizes power delivery and fuel efficiency, making it suitable for both heavy-duty and precise work scenarios. However, the complexity of the power shift mechanism may require additional training for operators to maximize performance and minimize wear.

Description

9-speed 36-speed power shift

TRANSMISSION 1

The Kubota KB20 features a 9-speed transmission with shuttle shift, allowing for precise speed control suitable for various tasks, from fieldwork to transport. Its dry disc clutch provides durability and low maintenance, although it may require careful operation to avoid wear. Ideal for compact farming operations, its multi-range gearbox enhances versatility, but may present a learning curve for new operators in effectively managing gear selection.

Gears	9 forward and reverse
Clutch	dry disc
Description	Three gears (1-3) in three ranges with shuttle shift

TRANSMISSION 2

The Kubota KB20 tractor features a Glideshift power shift transmission with a total of 36 forward and 24 reverse gears, offering exceptional versatility for varying terrain and tasks. The sequential hydraulically-shifted design allows for smooth transitions within the ranges, though it requires the operator to stop and use the clutch to shift between ranges, which can lead to downtime during operation. This transmission setup is advantageous for precision tasks but may pose challenges in applications requiring rapid gear changes or continuous movement.

Transmission	Glideshift
Type	power shift
Gears	36 forward and 24 reverse
Description	Sequential hydraulically-shifted transmission. Twelve forward gears with three ranges. Tractor must be stopped, and clutch used, to shift ranges

MECHANICAL

The Kubota KB20 tractor features a robust 4x4 MFWD system, providing excellent traction and stability across varied terrains, which is beneficial for heavy-duty applications. Its power steering enhances maneuverability, while the mechanical wet disc brakes offer reliable stopping power even in wet conditions, though may require more maintenance than dry systems. The optional air-conditioned cab enhances operator comfort during extended use, making it suitable for diverse agricultural tasks, albeit at an increased cost.

Chassis	4x4 MFWD 4WD
Steering	power
Brakes	mechanical wet disc
Cab	Two-post ROPS. Cab optional with air-conditioning
Transmissions	9-speed 36-speed power shift

POWER TAKE-OFF (PTO)

Rear RPM	540 (1.375)
Engine RPM	530@2600 / 799@2600 / 1182@2600/-662@2600

KUBOTA KB20 TIRES

The Kubota KB20 tractor equipped with standard agricultural tires, specifically 6.00-12 at the front and 9.5-20 at the rear, offers improved traction and stability on various terrains, making it suitable for tillage and crop management. The tire sizes indicate a balance between maneuverability and load-bearing capacity, potentially enhancing field performance. However, its size may limit use in very tight spaces or extreme steep terrains, where smaller tractors would perform better.

Standard tires (ag)

Front: 6.00-12. Rear: 9.5-20

DIMENSIONS

ROPS Wheelbase	53.2inches / 135cm
Cab Wheelbase	53.7inches / 136cm
ROPS Length	92.3inches / 234cm
Cab Length	97.6inches / 247cm
ROPS Width	42.3inches / 107cm
Cab Width	46.9inches / 119cm
Height (ROPS)	74.8inches / 189cm
Height (cab)	77.2inches / 196cm
Ground clearance	13.8inches / 35cm
Front tread	33.1inches / 84cm
ROPS Rear tread	34.3inches / 87cm
Cab Rear tread	37.4inches / 94cm

KUBOTA KB20 WEIGHT

ROPS gear	1554lbs / 704kg
ROPS Glideshift	1609lbs / 729kg
Cab gear	1896lbs / 860kg
Cab Glideshift	1951lbs / 884kg

DIMENSIONS & TIRES

The Kubota KB20 tractor features a compact wheelbase of 53.2 inches (ROPS) and 53.7 inches (Cab), maximizing stability in tight working environments, ideal for small farms or landscaping tasks. Weighing between 1554 to 1951 pounds, it offers a suitable balance between maneuverability and ground contact, but operators should be cautious of potential ground compaction in softer soils. With front tires sized at 6.00-12 and rear tires at 9.5-20, the KB20 is optimized for traction and load distribution, although tire selection may need adjustment based on specific soil types or applications.

ROPS Wheelbase	53.2inches / 135cm
Cab Wheelbase	53.7inches / 136cm
Weight	1554 to 1951 pounds
Front tire	6.00-12
Rear tire	9.5-20

ELECTRICAL

Ground	negative
Battery volts	12

---

---