Kubota M4073 Tractor

Manufacturer Kubota
Price -
Model M4073
Equipment Type Utility Tractors
Factory

KUBOTA M4073 POWER

Engine (net) 74hp / 55.2kW

ENGINE DETAIL

The Kubota M4073 features a robust 3.3L V3307 diesel engine, delivering 74hp at 2400 RPM, making it suitable for moderate to heavy agricultural tasks, enhancing productivity. Its Stage 5 emissions compliance ensures lower environmental impact while meeting modern regulatory standards, although this may lead to higher initial purchasing costs due to more advanced emission control technologies. Overall, this tractor stands out for its balance of power and efficiency in applications like land tillage or hauling, yet operators should consider maintenance implications of the emission systems.

Description Kubota V3307 diesel 4-cylinder liquid-cooled
Displacement 203.3ci / 3.3L
Bore/Stroke 3.70x4.70inches / 94x 119 mm
Emissions Stage 5
Rated Power (ECE R24) 74hp / 55.2kW
Rated RPM 2400

KUBOTA M4073 ENGINE

The Kubota M4073 is powered by a 3.3L 4-cylinder diesel engine, providing robust performance for various agricultural tasks. The tractor offers two fuel tank options: an 18.5-gallon ROPS variant for open-cab operations, or a 23.8-gallon cab version for operator comfort, enabling extended work hours without frequent refueling. Pros include improved fuel efficiency and lower emissions, while the challenge may involve weight distribution changes depending on the chosen fuel tank configuration, affecting stability in certain conditions.

Description Kubota 3.3L 4-cyl diesel
ROPS Fuel tank 18.5gal / 70.0L
Cab Fuel tank 23.8gal / 90.1L

TRANSMISSIONS OVERVIEW

The Kubota M4073 features an advanced 18-speed power shuttle and a robust 36-speed two-speed power shift transmission, providing exceptional adaptability for various terrain and operational demands. The 18-speed power shuttle enhances maneuverability in tight spaces, while the 36-speed shift allows for precise speed control, optimizing performance in both low and high-load applications. However, operators may face a learning curve with the extensive transmission options, necessitating initial training to fully leverage the tractor’s capabilities.

Description 18-speed power shuttle 36-speed two-speed power shift

TRANSMISSION 1

The Kubota M4073 features an electro-hydraulic wet disc clutch that ensures smooth engagement and reduced wear, enhancing longevity and maintenance intervals. With 18 forward and reverse gears, including six synchronized gears in three ranges, it offers excellent versatility for various applications, facilitating efficient operation across diverse terrains. However, the mechanical complexity may lead to higher repair costs if components fail, necessitating a skilled technician for service.

Type power shuttle
Gears 18 forward and reverse
Clutch electro-hydraulic wet disc
Description Six synchronized gears in three ranges with power shuttle.

TRANSMISSION 2

The Kubota M4073 features a two-speed power shift transmission with a total of 36 forward and reverse gears, offering exceptional versatility for various applications. The electro-hydraulic wet disc clutch enhances smooth shifting under load, reducing operator fatigue during extended use. However, the complexity of this transmission system may require more maintenance compared to simpler models, potentially impacting overall downtime.

Type two-speed power shift
Gears 36 forward and reverse
Clutch electro-hydraulic wet disc
Description Six synchronized gears in three ranges with two-speed power shift and power shuttle.

MECHANICAL

The Kubota M4073 features a robust 4x4 MFWD chassis for enhanced traction on varied terrains, while the mechanical rear differential lock allows for improved maneuverability in challenging conditions. Its hydraulic wet disc brakes provide superior stopping power and durability, ideal for extended use in heavy applications. The 18-speed power shuttle transmission offers operational flexibility, and the optional cab with air-conditioning increases operator comfort during prolonged work sessions.

Chassis 4x4 MFWD 4WD
Differential lock mechanical rear
Brakes hydraulic wet disc
Cab Two-post folding ROPS. Cab available with air-conditioning.
Transmissions 18-speed power shuttle 36-speed two-speed power shift

HYDRAULICS

Valves 2 or 3
Pump flow 16.6gpm / 62.8lpm

TRACTOR HITCH

Rear Type II
Control position and draft control
Rear lift 5512lbs / 2500kg

POWER TAKE-OFF (PTO)

Rear PTO independent
Clutch electro-hydraulic
Rear RPM 540/540E/540/1000

KUBOTA M4073 TIRES

The Kubota M4073 is equipped with standard agricultural tires, providing optimal traction and stability on varied terrain due to the front size of 320/85R20 and rear size of 420/85R30. These tire dimensions contribute to improved load capacity and better flotation in soft ground conditions, making it suitable for tillage and planting tasks. However, users should consider potential challenges in aggressive terrains that may require additional tire options for enhanced grip and reduced soil compaction.

Standard tires (ag) Front: 320/85R20. Rear: 420/85R30

DIMENSIONS

Wheelbase 84.1inches / 213cm
Length 145.7inches / 370cm
Width 76.8inches / 195cm *Minimum width with cab.
Height (cab) 101.6inches / 258cm
ROPS Weight 5666lbs / 2570kg
Cab Weight 6702lbs / 3040kg
Ground clearance 16.9inches / 42cm
ROPS Front tread 57.1 to 60.4inches / 145to 153 cm
Cab Front tread 53.7 to 55.7inches / 136to 141 cm
ROPS Rear tread 56.3 to 68.1inches / 143to 172 cm
Cab Rear tread 60.2 to 68.7inches / 152to 174 cm

DIMENSIONS & TIRES

The Kubota M4073 features a compact wheelbase of 84.1 inches, enhancing maneuverability in tight spaces, ideal for mid-sized farms or orchards. Weighing between 5,666 to 6,702 pounds, it strikes a balance between stability and portability, suitable for diverse tasks from tilling to haulage. The tire specifications (front: 320/85R20, rear: 420/85R30) provide optimal traction and flotation, making it effective in varying soil conditions; however, users should ensure proper tire pressure to avoid soil compaction, particularly in softer terrains.

Wheelbase 84.1inches / 213cm
Weight 5666 to 6702 pounds
Front tire 320/85R20
Rear tire 420/85R30

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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