Kubota M105GX-IV Tractor

Manufacturer Kubota
Price -
Model M105GX-IV
Equipment Type Utility Tractors
Factory

KUBOTA M105GX-IV POWER

Engine (gross) 111hp / 82.8kW

ENGINE DETAIL

The Kubota M105GX-IV features a robust V3800-CR turbocharged engine with a displacement of 3.8L, delivering 111 hp at 2400 RPM and exhibiting a strong torque of 280 lb-ft at 1500 RPM, making it suitable for heavy-duty agricultural tasks. Its Stage IV emissions compliance ensures lower environmental impact while maintaining high performance, although this may require the use of after-treatment systems such as diesel particulate filters (DPF). The electric starter system operates at 12 volts, providing reliable ignition and reducing the risk of mechanical failure commonly associated with manual starters in rugged conditions.

Description Kubota V3800-CR turbocharged intercooled diesel 4-cylinder liquid-cooled
Displacement 230ci / 3.8L
Bore/Stroke 3.94x4.72inches / 100x 120 mm
Emissions Stage IV
Rated Power (EC 97/98) 111hp / 82.8kW
Rated RPM 2400
Torque 280 lb-ft /379.7 Nm
Torque RPM 1500
Starter electric
Starter volts 12

KUBOTA M105GX-IV ENGINE

The Kubota M105GX-IV features a robust 3.8L 4-cylinder diesel engine, providing reliable power for various agricultural tasks, ideal for moderate to heavy-duty applications. Its 50.2-gallon fuel tank allows for extended operation between refueling, while the 4.2-gallon DEF tank supports compliance with stringent emissions regulations, enhancing sustainability. However, operators should consider the additional maintenance of DEF systems and potential refueling frequency during intensive use that could impact productivity.

Description Kubota 3.8L 4-cyl diesel
Fuel tank 50.2gal / 190.0L
Exhaust fluid (DEF) 4.2gal / 15.9L

TRANSMISSIONS OVERVIEW

The Kubota M105GX-IV features a 24-speed transmission with an 8-speed powershift and a 32-speed creeper gear, providing exceptional versatility for varying terrain and operational demands. This allows for precise speed control during fieldwork and transport, enhancing productivity in diverse agricultural tasks. However, the complexity of the transmission may present a learning curve for operators unfamiliar with power shift and creeper gear systems.

Description 24-speed 8-speed power shift 32-speed creeper

TRANSMISSION 1

The Kubota M105GX-IV features an 8-speed power shift transmission, providing 24 forward and reverse gears for versatile speed management, ideal for varied agricultural tasks. The electro-hydraulic wet disc clutch ensures smooth gear transitions, enhancing operational efficiency while reducing wear. However, the complexity of the power shift system may present a learning curve for operators unfamiliar with advanced transmission types.

Type 8-speed power shift
Gears 24 forward and reverse
Clutch electro-hydraulic wet disc
Description Eight power shift gears in three synchronized ranges with shuttle.

TRANSMISSION 2

The Kubota M105GX-IV features a creeper transmission with 32 forward and reverse gears, allowing for precise speed control and versatility in a variety of applications, such as tilling or plowing in tight spaces. This extensive gear range provides the advantage of optimizing engine performance and fuel efficiency but may require additional operator training to manage effectively. When utilized in demanding tasks like row crop cultivation, the ability to select low-speed gears enhances traction without sacrificing power.

Type creeper
Gears 32 forward and reverse

MECHANICAL

The Kubota M105GX-IV features a robust 4x4 MFWD chassis, providing enhanced traction and versatility across various terrain types. Its electro-hydraulic differential lock enables efficient power distribution, ensuring optimal performance in challenging conditions, while the hydraulic wet disc brakes ensure reliable stopping power. The 24-speed power shift transmission offers flexibility in speed and torque management, making this tractor ideal for both heavy-duty fieldwork and precise tasks like tilling or planting.

Chassis 4x4 MFWD 4WD
Differential lock electro-hydraulic front and rear
Steering power
Brakes hydraulic wet disc
Cab Cab standard with air-conditioning.
Transmissions 24-speed 8-speed power shift 32-speed creeper

HYDRAULICS

Valves 2 to 4
Pump flow 20.2gpm / 76.5lpm

TRACTOR HITCH

Rear Type III
Control position and lower-link draft control
Rear lift (at ends) 11023lbs / 5000kg

POWER TAKE-OFF (PTO)

Rear PTO independent
Rear RPM 540/1000/540/540E
Front PTO independent
Front RPM 1000

KUBOTA M105GX-IV TIRES

The Kubota M105GX-IV features a tire configuration of 380/70R24 in the front and 520/70R34 in the rear, providing enhanced traction and stability, particularly in diverse agricultural conditions. The larger rear tires facilitate improved weight distribution, reducing soil compaction and optimizing fuel efficiency during heavy-duty tasks such as plowing or tilling. However, operators should be mindful of potential challenges in maneuverability in tight spaces due to the increased tire size.

Standard tires (ag) Front: 380/70R24. Rear: 520/70R34

DIMENSIONS

Wheelbase 96.1inches / 244cm/100inches / 254cm (with suspension)
Length 169.9inches / 431cm
Width 89.4inches / 227cm *Minimum width
Height 111.4inches / 282cm
Weight 9480lbs / 4300kg/10053lbs / 4560kg (with suspension)
Front tread 64.2 to 65.9inches / 163to 167 cm
Rear tread 69.1/71.1/75inches / 175/180/190 cm

DIMENSIONS & TIRES

The Kubota M105GX-IV tractor features a robust weight range of 9,480 to 10,053 pounds, providing excellent stability for heavy-duty applications, especially in uneven terrain. Its wheelbase of 96.1 inches (or 100 inches with suspension) enhances maneuverability while ensuring comfort during operation. The tire sizes, 380/70R24 at the front and 520/70R34 at the rear, provide improved traction and flotation, making it well-suited for agricultural tasks or landscaping in soft soil conditions.

Wheelbase 96.1inches / 244cm/100inches / 254cm (with suspension)
Weight 9480 to 10053 pounds
Front tire 380/70R24
Rear tire 520/70R34

ELECTRICAL

Ground negative
Charging system alternator
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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