Kubota FT21 Tractor

Manufacturer	Kubota
Price	-
Model	FT21
Equipment Type	Compact Utility Tractors
Factory

KUBOTA FT21 POWER

Engine

20.7hp / 15.4kW

ENGINE DETAIL

The Kubota FT21 tractor, powered by a D1503 diesel engine, offers reliable performance with a compact footprint for various agricultural tasks. Its displacement of 1.5L and output of 20.7hp at 2500 RPM provides efficient power for light to moderate-duty applications while maintaining fuel efficiency. However, limitations in power may arise for heavy-duty operations; thus, it is ideal for tasks such as mowing, tilling, or light loader work where maneuverability and ease of use are advantageous.

Description	Kubota D1503 diesel 3-cylinder liquid-cooled
Displacement	91.5ci / 1.5L
Bore/Stroke	3.27x3.64inches / 83x 92mm
Power	20.7hp / 15.4kW
Rated RPM	2500
Starter	electric
Starter volts	12

KUBOTA FT21 ENGINE

The Kubota FT21 tractor features a robust 1.5L three-cylinder diesel engine, offering efficient fuel consumption and reliability for agricultural tasks. With a 7.9-gallon (29.9L) fuel tank, it provides extended operating time, making it suitable for medium-scale farming. However, the relatively compact engine size may limit power output for heavier-duty applications, necessitating careful consideration of workload requirements.

Description	Kubota 1.5L 3-cyl diesel
Fuel tank	7.9gal / 29.9L

TRANSMISSIONS OVERVIEW

The Kubota FT21 tractor features a 12-speed power shift transmission, allowing for smooth and efficient gear transitions to match various field conditions. With a total of 48-speed options, this design facilitates optimal power management and fuel efficiency during operations. However, the complexity of the transmission system may present challenges in maintenance and repair compared to simpler systems, necessitating thorough user familiarity for effective operation.

Description

12-speed 48-speed power shift

TRANSMISSION 1

The Kubota FT21 tractor features a 12-speed transmission with forward and reverse capabilities, enhancing operational flexibility across various tasks. Its dry disc clutch ensures consistent power transfer, though it may require more frequent maintenance than a wet clutch. The four-range gear system with shuttle shift allows for optimal torque and speed adjustments, making it suitable for diverse applications like tilling and hauling in confined spaces.

Gears	12 forward and reverse
Clutch	dry disc
Description	Three gears (1-3) in four ranges (creeper, low, medium, high) with shuttle shift

TRANSMISSION 2

The Kubota FT21 features a Glideshift power shift transmission with 48 forward and 30 reverse gears, allowing for seamless, clutch-free gear transitions that enhance operational efficiency during fieldwork. The sequential shifting capability is particularly advantageous for tasks requiring frequent speed adjustments, though it necessitates stopping to change ranges, which may reduce productivity in certain scenarios. Operators must be adept at managing the gear selection to leverage the full potential of its transmission system while avoiding abrupt shifts that can strain the driveline.

Transmission	Glideshift
Type	power shift
Gears	48 forward and 30 reverse
Description	Sixteen gears (10 in reverse) with three ranges. Gears may be shifted sequentially while moving, without using the clutch. Tractor must be stopped, and clutch used, to shift ranges

MECHANICAL

The Kubota FT21 features a robust 4x4 MFWD system, enhancing traction in diverse terrains, making it ideal for agricultural and utility applications. Its power steering and wet disc brakes provide smoother maneuverability and reliable stopping power under heavy loads. Optional air-conditioning in the cab increases operator comfort during prolonged use, though the complexity of the 12-speed and 48-speed power shift transmissions may require additional maintenance considerations.

Chassis	4x4 MFWD 4WD
Steering	power
Brakes	wet disc
Cab	Two-post folding ROPS. Cab optional with air-conditioning
Transmissions	12-speed 48-speed power shift

TRACTOR HITCH

Rear Type

I

POWER TAKE-OFF (PTO)

Rear RPM	540 (1.375)
Engine RPM	553@2500 / 771@2500 / 1136@2500/-649@2500

KUBOTA FT21 TIRES

The Kubota FT21 tractor's standard tire configuration (6-14 front and 8.3-24 rear) offers stability and versatility for various agricultural tasks, while the optional 9.5-22 rear tires can enhance flotation and traction on softer terrain. A potential advantage of the optional tire upgrade is improved performance during plowing or tilling, but it may lead to increased wear on compacted surfaces. Consider the specific soil conditions and intended use to determine the most effective tire option for increased operational efficiency.

Standard tires (ag)	Front: 6-14. Rear: 8.3-24
Optional tires (ag)	Front: 6-14. Rear: 9.5-22

DIMENSIONS

Wheelbase	59.1inches / 150cm
Length	114.2inches / 290cm
ROPS Width	46.1inches / 117cm
Cab Width	51.6inches / 131cm
Height (ROPS)	75inches / 190cm
Height (cab)	76inches / 193cm
Ground clearance	12.8inches / 32cm
Front tread	38.2inches / 97cm
Rear tread	37.4/42.1inches / 94/106cm

KUBOTA FT21 WEIGHT

ROPS gear	1995lbs / 904kg
ROPS Glideshift	2039lbs / 924kg
Cab gear	2260lbs / 1025kg
Cab Glideshift	2304lbs / 1045kg

DIMENSIONS & TIRES

The Kubota FT21 tractor features a relatively compact wheelbase of 59.1 inches, enhancing maneuverability in tight spaces, making it ideal for small farms or gardens. Weighing between 1995 to 2304 pounds, it balances stability with transportability; however, the variation in weight may affect traction depending on load and tire configuration. The front tires (6-14) and rear tires (8.3-24) indicate a robust design suitable for diverse terrains, although careful tire pressure management is essential to optimize performance and minimize soil compaction.

Wheelbase	59.1inches / 150cm
Weight	1995 to 2304 pounds
Front tire	6-14
Rear tire	8.3-24

ELECTRICAL

Ground	negative
Battery volts	12

---

---