Kubota M4030 Tractor

Manufacturer Kubota
Price -
Model M4030
Equipment Type Utility Tractors
Factory Japan

VARIANTS

M4030DT 4WD
M4030F standard
M4030L special utility

NEBRASKA TRACTOR TEST 1594 2

Description Diesel 8-speed 4WD May 12 - 22, 1986 Link: Nebraska Tractor Test 1594 file PTO performance Drawbar performance
Power at rated engine speed 44.05hp / 32.8kW
Fuel use 2.6gal/hour / 9.8l/hour
Power at rated PTO speed 44.08hp / 32.9kW
Max power 36.53hp / 27.2kW
Max pull 5,673lbs / 2573kg

KUBOTA M4030 POWER

Engine 48hp / 35.8kW
PTO (claimed) 43hp / 32.1kW
Drawbar (tested) 36.53hp / 27.2kW
PTO (tested) 44.05hp / 32.8kW

ENGINE DETAIL

The Kubota M4030 tractor, powered by a robust S2602 6-cylinder diesel engine, delivers 48 hp at a rated RPM of 2600, making it suitable for moderate agricultural tasks. Its dual dry air cleaner and high compression ratio (19:1) enhance fuel efficiency and power output, but may necessitate more rigorous maintenance. With a moderate oil capacity of 15.6 quarts, operators should ensure regular oil changes to maintain optimal engine performance and longevity.

Description Kubota S2602 diesel 6-cylinder liquid-cooled
Displacement 158.5ci / 2.6L
Bore/Stroke 3.23x3.23inches / 82x 82 mm
Power 48hp / 35.8kW
Air cleaner dual dry element
Compression 19:1
Rated RPM 2600
Starter volts 12
Oil capacity 15.6qts / 14.8L
Coolant capacity 8.7qts / 8.2L

KUBOTA M4030 ENGINE

The Kubota M4030 features a robust 2.6L 6-cylinder diesel engine, delivering efficient power while optimizing fuel consumption. Its compact design enhances maneuverability in tight field conditions, making it suitable for various agricultural tasks. However, potential challenges include limited attachment compatibility due to size; ensure to verify implement fitment for specific operations.

Description Kubota 2.6L 6-cyl diesel

TRANSMISSION

The Kubota M4030 features an 8-speed forward and 2-speed reverse transmission, providing versatile gear selection for a variety of agricultural tasks. Its oil capacity indicates a differentiation between 2WD (50.7 qts) and 4WD (59.7 qts), essential for maintaining optimal lubrication in demanding conditions. Operators should consider the increased oil capacity for 4WD as a beneficial factor for enhanced traction and stability across diverse terrains, but also be aware of potential oil maintenance complexities.

Gears 8 forward and 2 reverse
Oil capacity 50.7qts / 48.0L (2WD)/59.7qts / 56.5L (4WD)

MECHANICAL

The Kubota M4030 tractor offers a versatile 4x4 MFWD option, enhancing traction on varied terrains, especially beneficial in uneven or muddy conditions. Its hydrostatic power steering simplifies maneuverability, reducing operator fatigue during prolonged use. However, the limited 8-speed transmission may restrict speed versatility, particularly for tasks requiring higher operational speeds.

Chassis 4x2 2WD/4x4 MFWD 4WD (M4030DT)
Differential lock standard
Steering hydrostatic power
Brakes differential mechanical wet disc
Cab Two-post ROPS.
Transmission 8-speed

CAPACITY

Fuel 16.9gal / 64.0L
Hydraulic system 12.7gal / 48.1L (2WD)/14.9gal / 56.4L (4WD)

HYDRAULICS

Type open center
Capacity 12.7gal / 48.1L (2WD)/14.9gal / 56.4L (4WD)
Pressure 2630psi / 181.3bar
Valves 1
Total flow 11gpm / 41.6lpm

TRACTOR HITCH

Rear Type II/I
Rear lift (at ends) 3,968lbs / 1799kg
Rear lift (at 24 3,307lbs / 1500kg

POWER TAKE-OFF (PTO)

Rear PTO independent
Rear RPM 540

KUBOTA M4030 TIRES

The Kubota M4030 tractor offers versatile tire options, accommodating both 2WD and 4WD configurations that enhance traction and stability across various field conditions. The standard tire sizes, such as 13.6-28 for the rear, provide excellent power transfer, while optional larger tires like 14.9-28 can improve flotation on soft ground, reducing soil compaction. However, the change in tire size can impact handling characteristics and require adjustments in weight distribution, making careful selection crucial for specific farming applications.

Standard tires (ag) Front: 6.00-16. Rear: 13.6-28 (2WD)/Front: 9.5-20. Rear: 13.6-28 (4WD)/Front: 6.50-16. Rear: 14.9-24 (2WD Low Profile)/Front: 9.5-16. Rear: 13.6-24 (4WD Low Profile)
Optional tires (ag) Front: 6.00-16. Rear: 14.9-28 (2WD)/Front: 9.5-22. Rear: 14.9-28 (4WD)/Front: 9.00-10. Rear: 18.4-16 (2WD Low Profile)

DIMENSIONS

Wheelbase 78.7inches / 199cm (2WD)/79.1inches / 200cm (4WD)
Length 135inches / 342cm (2WD)/137inches / 347cm (4WD)
Width 72.8inches / 184cm/74.2inches / 188cm (2WD Low Profile)/72.8inches / 184cm (4WD Low Profile)
Weight 4,078lbs / 1849kg (2WD), 4,806 (4WD)
Ballasted weight 7,375lbs / 3345kg
Ground clearance 18.9inches / 48cm (2WD)/15.9inches / 40cm (4WD)/15inches / 38cm (2WD Low Profile)/14inches / 35cm (4WD Low Profile)
Front tread 55.1 to 78.7inches / 139to 199 cm
Rear tread 59.3 to 74.8inches / 150to 189 cm

KUBOTA M4030 HEIGHT

Hood 55.1inches / 139cm/51.2inches / 130cm (2WD Low Profile)/53.1inches / 134cm (4WD Low Profile)
Exhaust 88.5inches / 224cm

DIMENSIONS & TIRES

The Kubota M4030 features a compact wheelbase of 78.7 inches for 2WD and 79.1 inches for 4WD, offering stability in varied terrain, particularly useful in agricultural applications. Weighing 4,078 lbs, its substantial mass aids in traction for ground engagement but may limit maneuverability in tighter spaces. The tire sizes—6.00-16 in the front and 13.6-28 in the rear for 2WD—indicate a balance between load capacity and flotation, making it suitable for diverse tasks from tilling to hauling, though tire selection should be considered based on the specific soil conditions.

Wheelbase 78.7inches / 199cm (2WD)/79.1inches / 200cm (4WD)
Weight 4,078lbs / 1849kg
Front tire 6.00-16
Rear tire 13.6-28 (2WD)

KUBOTA M1870A LOADER

Height (to pin) 129.9inches / 329cm
Clearance, dumped bucket 110.4inches / 280cm
Dump reach 32.7inches / 83cm
Dump angle 38°
Reach at ground 81inches / 205cm
Rollback angle 23°
Breakout force (lift) 3670lbs / 1664kg
Lift to full height (at pin) 2190lbs / 993kg
Bucket width 72inches / 182cm


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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