Kubota RM 3000 Series Ploughs

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RM Series

This plough series aims at light to heavy soil conditions and tractors up to 200Hp. The standard Auto-line system guarantees the correct pull line at any time. Smart: It adjusts automatically. Robust ploughs fitted with an induction heat treated 1 box section frame. No welding to avoid weaknesses. The headstock and its main shaft are also heat treated for maximum strength. Choice of 85cm or 100cm interbody clearance. The clever design of the plough, and of the bodies associated to heat treated steels and hollow legs reduce the weight of the plough and make it easy to lift and to pull.



Easily adaptable to different soils and tractors.

RM3005V : built for tougher and stony conditions.

The interbody clearance is 85cm and gives the possibility to plough regardless of weather or crop conditions.

The front part construction makes it adaptable to any tractors.


  • Best steel and heat treatment technology to the complete plough!
  • Reduced lift requirements compared to other brands.
  • Easy to pull.
  • Easy to adjust and to operate.
  • Remarkable Non-stop leg protection system for RM3005V for continuous ploughing. No maintenance!
  • Rquipped with Variomat – Vari-width® system for “on the Move” ploughing width adjustments.
  • Any 3,4,5 furrow models can be extended by 1 furrow. 3 to max. 6 furrow plough


Importance of heat treatment

  • The frame is an essential part of the plough construction. For Kubota quality standards, a non heat treated part is a weak part!
  • Kubota frames are heat treated by induction twice. The temperature transfer to the steel is closely monitored. The frame gains 3 times as much strength. This unique Kubota induction processes provides robustness and flexibility while ensuring an outstanding durability.

Stronger but not heavier

  • For the equivalent Kubota robustness, competitors would use more steel in thickness or in dimensions, therefore producing a heavier frame.
  • Heavier frame impacts negatively pulling forces, wearing of parts, lifting capacities, tractor life time, and fuel consumption.

Long lasting

  • Weldings are also a critical weakness for a plough frame. Kubota frames are supplied as one sole part!

Frame availability

  • 150 x 150mm for 3, 4 furrows, extendable by 1 furrow max. 5 F. plough.
  • RM3005V available in 3, 4, 5 furrows, extendable by 1 body, max. 6 F plough.


  • Stepless Vari-width® system for infinite adjustments of working width, from 30 to 50 cm (12 to 20”) depending on models. Kubota’s world patented system is available either with hydraulic or mechanical furrow adjustments.


  • Easy variation of ploughing capacity.
  • Perfect match at all time between tractor capacity, implement and soil conditions.
  • Time saving: up to 30% more capacity.
  • Cost saving: up to 18% reduction in fuel consumption in relation with increased ploughing capacity.
  • Better work: plough up to the hedges, fences, trees and ditches.
  • Minimum wear: unique non-wearing linkage joint between the beams and the mainframe section.
  • Perfect line of pull at all time. Kubota’s Vari-width offers the correct parallel linkage along the whole plough. Therefore, lower draft requirement, minimum wear and tear.


  • Body No. 28 – “Wide tyre body” suits all soils; even heavier soils than body 8 very wide empty furrow for tractor wheels up to 710 mm good turning and well packed easy pulling suitable for Depth: 15 to 30 cm ( 6 to 12”) Width: 30 to 55 cm (12 to 22”).
  • Body No. 34 – Plastic mouldboard Long and slim shape (similar to body 28) For soils with high humus content without stones Advised for tactors with large tyres Easy pulling Working depth: 12-5cm Working width: 30-55cm Landside / mouldboard: 40 degree


Unbeatable in stony conditions

  • Kubotas fully automatic non-stop Auto-Reset System is unbeatable when it comes to trouble-free ploughing in stony conditions. The clever multi-leaf spring system allows the plough legs to release over stones and other solid objects in a smooth and efficient manner. This avoids sudden jolts and possible damage. Once the obstruction is passed, the plough body automatically returns to the correct ploughing depth.

Safety compliance

  • With today’s demands for higher output, both tractor and plough are expected to perform quicker than ever. This makes more arduous demands on the equipment, particularly on the safety systems designed to protect tractors, ploughs and drivers against the dangers encountered whenever the plough meets hidden obstructions in the ground. The Kubota Auto-Reset system guaranties this safety high standars requirements.

Adaptable to varying soil conditions

  • Depending of the type of soil all Kubota ploughs can be equipped with different leaf springs packages. For soft soils, a normal spring with 5 leaves is the best choice to obtain the perfect ploughing in stony conditions. Today, most Kubota ploughs are delivered with the Heavy Duty springs package (HD) with 7 leaves. This will perform well in most conditions. If the soil is very hard and stony – a double leaf spring package is recommended.

Extra leaves when needed

  • The standard Auto-Reset system includes 7 Kubota heat treated springs (640Kp).
  • For heavier to extreme soil conditions, extra leaf springs are added for up to 1400kp.
  • The leaves are easily fixed with one central bolt only.

Individual body release

  • The Kubota mechanical Auto-Reset system enables very plough body to release independently. A quality ploughing is therefore guaranteed.

Minimum wear and high second hand value

  • Kubota’s Auto-Reset System is a quite simple construction that withstands the punishing forces year in, year out, with a minimum of maintenance. Save time and money!
  • Moreover, the Kubota auto-reset system guarantees a longer life to the plough. When hitting an obstacle, the pressure on the point, frame, plough parts, decreases. The stress on Kubota ploughs is therefore reduced. Consequently, second hand Kubota ploughs sell at a higher value than competitors ploughs.
  • By using an Hydraulic system, pressure would increase


Kubota Heat Treatment Technology

  • More than 130 years of experience.
  • Steels that withstand the toughest of conditions.
  • Best robustness/weight ratio on the market.
  • For equivalent robustness, competitors would add more steel and therefore more weight, quicker wear, disappointing ploughing results.

Kubota Steels

  • Benefits from less weight – easier to pull/lower fuel consumption/lower lift requirement/reduced wear and stress for the tractor/more economical…
  • Benefits from more resistance – minimum breakage/less maintenance/lower rotation for wearing parts/time saving/highest 2nd hand plough value/longer life for the plough/more economical…
  • Problems always happen when the plough is being used, when the work must be done!
  • A Kubota plough is a peace mind!

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