Kubota KL31R Tractor

Manufacturer Kubota
Price -
Model KL31R
Equipment Type Compact Utility Tractors
Factory

KUBOTA KL31R POWER

Engine 30.6hp / 22.8kW

ENGINE DETAIL

The Kubota KL31R features a compact 1.8L D1803 diesel engine offering 30.6 hp at 2600 RPM, making it suitable for light to moderate agricultural tasks and utility applications. Its 3-cylinder configuration offers a balance of efficiency and power, though it may have limitations on larger workloads compared to higher displacement engines. Ideal for small farms or landscaping, it benefits from a robust electric starter system, ensuring reliable operation in various conditions.

Description Kubota D1803 diesel 3-cylinder liquid-cooled
Displacement 111.4ci / 1.8L
Bore/Stroke 3.4x4.0inches / 86x 102mm
Power 30.6hp / 22.8kW
Rated RPM 2600
Starter electric
Starter volts 12

KUBOTA KL31R ENGINE

The Kubota KL31R features a robust 1.8L, 3-cylinder diesel engine, providing efficient power for various agricultural tasks. Its 10.6-gallon fuel tank offers extended operation time, minimizing downtime during work. However, in high-demand scenarios, fuel consumption may need to be monitored to ensure productivity, particularly in heavy-duty applications.

Description Kubota 1.8L 3-cyl diesel
Fuel tank 10.6gal / 40.1L

TRANSMISSIONS OVERVIEW

The Kubota KL31R tractor features a 16-speed, 24-speed, and 30-speed power shift transmission, offering enhanced versatility in speed selection for various agricultural tasks. This flexibility enables efficient operation at different throttle settings, improving fuel efficiency and productivity in field conditions. However, operators may face a learning curve with the complexity of managing multiple speeds, especially in precision tasks or varied terrain.

Description 16-speed 24-speed power shift 30-speed

TRANSMISSION 1

The Kubota KL31R tractor features a versatile 16-speed transmission with four gears across two ranges, plus a creeper range, allowing for precise speed control suited for varied agricultural tasks. Its dry disc clutch provides reliable engagement and disengagement, though it may require more maintenance over a wet clutch system. This setup is advantageous for operations needing both high-torque applications and slow, controlled movements, such as tilling or loader work.

Gears 16 forward and reverse
Clutch dry disc
Description Four gears(1-4) in two ranges, with additional creeper range and shuttle shift

TRANSMISSION 2

The Kubota KL31R tractor features a Glideshift power shift transmission with 24 forward and 16 reverse gears, providing optimal versatility for various applications. The twelve hydraulically-shifted gears allow for smooth transitions between speeds, enhancing operator comfort and efficiency during tasks. This system is advantageous for operations requiring frequent direction changes, such as loader work, but may present a learning curve for operators unfamiliar with power shift transmissions.

Transmission Glideshift
Type power shift
Gears 24 forward and 16 reverse
Description Twelve hydraulically-shift gears (eight in reverse) in two ranges

TRANSMISSION 3

The Kubota KL31R features a versatile three-range transmission with a total of 30 forward and 20 reverse gears, allowing for precise speed control across various tasks. This design enhances adaptability for both heavy-duty applications in creeper mode and faster transport in high-speed range, optimizing efficiency in different working scenarios. A potential challenge may arise in mastering the complexity of gear selection, requiring experienced operators to fully leverage its capabilities.

Gears 30 forward and 20 reverse
Description Three range transmission. Twelve forward, eight reverse, in creeper and medium range. Six forward, four reverse, in high-speed range

MECHANICAL

The Kubota KL31R features a robust 4x4 MFWD system, enhancing traction and stability on varied terrains. Its mechanical wet disc brakes offer reliable stopping power, though they may require more maintenance compared to other braking systems. The optional air-conditioned cab improves operator comfort during extended use, and the 30-speed power shift transmission provides superior versatility for precision control in different agricultural applications.

Chassis 4x4 MFWD 4WD
Steering power
Brakes mechanical wet disc
Cab Two-post ROPS. Cab optional with air-conditioning
Transmissions 16-speed 24-speed power shift 30-speed

TRACTOR HITCH

Rear Type I

POWER TAKE-OFF (PTO)

Rear RPM 540 (1.375)
Engine RPM 540@2600 / 762@2600 / 944@2600 / 1258@2600/-944@2600

KUBOTA KL31R TIRES

The Kubota KL31R tractor, featuring standard agricultural tires (Front: 8-16, Rear: 12.4-26), offers enhanced traction and stability for field operations. The tire size combination supports optimal ground engagement and maneuverability, making it suitable for various tasks like tilling and planting. However, consider potential limitations in compact spaces due to the larger rear tire size, which may affect turning radius in tight conditions.

Standard tires (ag) Front: 8-16. Rear: 12.4-26

DIMENSIONS

Wheelbase 68.7inches / 174cm
Length 125.2inches / 318cm
Width 55.9inches / 141cm
Height (ROPS) 78inches / 198cm
Height (cab) 84.8inches / 215cm
ROPS Weight 2932lbs / 1329kg
Cab Weight 3384lbs / 1534kg
Ground clearance 14.2inches / 36cm
Front tread 44.5inches / 113cm
Rear tread 42.9/53.5inches / 108/135cm

DIMENSIONS & TIRES

The Kubota KL31R tractor features a wheelbase of 68.7 inches, providing stability and maneuverability for diverse agricultural tasks. Weighing between 2932 to 3384 pounds, it can handle a considerable load while offering robust performance in both towing and lifting applications. The tire specifications (8-16 front and 12.4-26 rear) ensure optimal traction on various terrains, critical for effective fieldwork and reduced soil compaction.

Wheelbase 68.7inches / 174cm
Weight 2932 to 3384 pounds
Front tire 8-16
Rear tire 12.4-26

ELECTRICAL

Ground negative
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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