Kubota M125GX-IV Tractor

Manufacturer Kubota
Price -
Model M125GX-IV
Equipment Type Utility Tractors
Factory

KUBOTA M125GX-IV POWER

Engine (gross) 133hp / 99.2kW

ENGINE DETAIL

The Kubota M125GX-IV features a robust 4-cylinder turbocharged diesel engine with a displacement of 6.1L, delivering a rated power of 133hp at 2200 RPM and an impressive torque of 401 lb-ft at 1500 RPM, making it suitable for heavy-duty applications and enhanced productivity. With Stage IV emissions compliance, it balances power and environmental responsibility, but operators should be aware of potential challenges relating to maintaining emissions equipment. This tractor excels in agricultural and construction settings where strong low-end torque is essential for tasks like plowing or towing heavy implements.

Description Kubota V6108-CR turbocharged intercooled diesel 4-cylinder liquid-cooled
Displacement 373.7ci / 6.1L
Bore/Stroke 4.65x5.51inches / 118x 140 mm
Emissions Stage IV
Rated Power (EC 97/98) 133hp / 99.2kW
Rated RPM 2200
Torque 401 lb-ft /543.8 Nm
Torque RPM 1500
Starter electric
Starter volts 12

KUBOTA M125GX-IV ENGINE

The Kubota M125GX-IV features a powerful 6.1L 4-cylinder diesel engine, providing robust performance for heavy-duty agricultural tasks. Its substantial 50.2-gallon fuel tank allows for extended operation without frequent refueling, while a 4.2-gallon DEF tank ensures compliance with Tier 4 emission standards. While the large fuel capacity enhances productivity, operators should be mindful of potential weight distribution challenges when fully laden.

Description Kubota 6.1L 4-cyl diesel
Fuel tank 50.2gal / 190.0L
Exhaust fluid (DEF) 4.2gal / 15.9L

TRANSMISSIONS OVERVIEW

The Kubota M125GX-IV features a 24-speed transmission, allowing for versatile speed adjustments, complemented by an 8-speed power shift for smooth operation under varying loads. The additional 32-speed creeper option enhances low-speed precision, making it ideal for tasks like tilling or planting. However, the complexity of the transmission may require more extensive operator training to maximize efficiency.

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

TRANSMISSION 1

The Kubota M125GX-IV features an 8-speed power shift transmission that provides 24 forward and reverse gear options, enhancing versatility for various agricultural tasks. The electro-hydraulic wet disc clutch system ensures smoother engagement and increased durability under heavy load conditions. Users can benefit from improved efficiency in field operations, but may require training to fully utilize the power shift capabilities in demanding scenarios.

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 M125GX-IV features a creeper transmission with 32 forward and reverse gears, providing exceptional versatility for various agricultural tasks, especially in tight spaces or when working with delicate operations. The extensive gear selection allows for precise speed adjustments, enhancing efficiency in both fieldwork and transport. However, the complexity of this system may require more maintenance and operator training to ensure optimal performance.

Type creeper
Gears 32 forward and reverse

MECHANICAL

The Kubota M125GX-IV features a robust 4x4 MFWD chassis with electronic hydraulic differential locks, enhancing traction in challenging terrain while improving operational efficiency. Its power steering and hydraulic wet disc brakes contribute to precise control and safety, beneficial during heavy-duty applications. The versatile 24-speed power shift transmission, alongside an optional 32-speed creeper, allows for optimal adaptability across a wide range of speeds, making it ideal for both high-speed transport and meticulous fieldwork.

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 21.8gpm / 82.5lpm

TRACTOR HITCH

Rear Type III
Control position and lower-link draft control
Rear lift (at ends) 13448lbs / 6100kg

POWER TAKE-OFF (PTO)

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

KUBOTA M125GX-IV TIRES

The Kubota M125GX-IV features large standard agricultural tires (Front: 420/70R24, Rear: 520/70R38), optimizing traction and stability across various terrains. This tire configuration enhances weight distribution, minimizing soil compaction while maximizing field performance; however, it may limit maneuverability in tighter spaces. Ideal for mid to large-scale farming operations requiring robust performance for tilling or hauling under diverse soil conditions.

Standard tires (ag) Front: 420/70R24. Rear: 520/70R38

DIMENSIONS

Wheelbase 105.7inches / 268cm/105.5inches / 267cm (with suspension)
Length 176.2inches / 447cm
Width 91.7inches / 232cm *Minimum width
Height 113.4inches / 288cm
Weight 10681lbs / 4844kg/11166lbs / 5064kg (with suspension)
Front tread 72.1 to 73.8inches / 183to 187 cm
Rear tread 63.2/65.4/69.1/71.3inches / 160/166/175/181 cm

DIMENSIONS & TIRES

The Kubota M125GX-IV features a substantial wheelbase of 105.7 inches (268 cm), which enhances stability during field operations, especially on uneven terrain. Weighing between 10,681 to 11,166 pounds, this tractor offers excellent traction and reduced soil compaction, making it suitable for heavy-duty agricultural tasks. However, the specific tire sizes (420/70R24 front and 520/70R38 rear) could present challenges in tight maneuvering spaces, so operators should consider the terrain and field layout before deployment.

Wheelbase 105.7inches / 268cm/105.5inches / 267cm (with suspension)
Weight 10681 to 11166 pounds
Front tire 420/70R24
Rear tire 520/70R38

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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