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Mahindra Heavy Duty UH Rotavator

Mahindra Heavy Duty UH Rotavator

Mahindra Heavy Duty UH Rotavator

The Mahindra Heavy Duty UH Rotavator, purposefully engineered for outstanding performance in heavy soils, excels in both dry and wet conditions. Its lightweight yet robust design provides a comprehensive solution to fulfill the tilling requirements of forward-thinking farmers, making it an essential tool for modern agricultural practices.


Anticlog rotor

The helix spiral blade configuration rotor can accommodate 2 types of blades, C-shaped and L-shaped, designed for ultimate soil finishing and working crop residue into the ground. Blades are arranged helically around the rotor, resulting in the blades entering the soil progressively and thus reducing power draw. Also helps achieve finer tilth of soil. Specially designed for high performance in light and medium soils in both dry and wet soil conditions such as puddling.

Duo Cone Sealing System

The Duo-Cone sealing system guarantees reliability without the need for maintenance. You can achieve at least 50% longer life from the Duo-Cone system than standard sealing systems in the most demanding working environments. The sealing system is completely waterproof or “amphibious” allowing the rotor and bearing to run in its own oil supply, this allows the rotor to work and be reliable in the dustiest of environments or even work immersed in water and yet the seals will still prevent water and dust ingress into the rotor and hubs.

Anti Clogging System

A rather attractive optional extra is the anti-clogging system: a sheet metal membrane that stops clinging/wet soil from clogging up the machine.

Powerful gearbox

HD Tiller also features a 3-gear powertrain assembly at the side, which ensures constant transmission with no loss of power. The side transmission has been designed in such a way that load surges acting due to tangential forces acting on the stub axle shall get distributed on 3 pin topology over the side plates.

Sturdy Gears & shafts

Spiral bevel deployment in the gearbox that drives for high torque and high-speed operations. Since being the topology in right angle shaft orientation, also helps in drastic noise reduction. Smooth operation keeps the gear drive cool. Thus, minimising the need for repairs & maintenance.

Strong Levelling bonnets

The new strong levelling bonnets provide greater wear resistance while working on stony ground. Their Z shape means perfect soil levelling can be achieved in all conditions. They feature spring rods for adjusting the height with hand-holding unique brackets. Gearbox vibration can further be reduced by opting right combination of turn buckles, unique in the segment.

Stable Hitch Pyramid

Working on stony & hard soil ground, the new strong box-type hitch pyramid structure provides greater strength. The front and rear plate keeps the hitch pyramid stable and increases strength.

Strong & dust free transmission covers

UM tiller models feature a transmission cover made from CR sheets, which is much stronger than regular grey cast iron. The cover has a chamfer on the inside housing that pushes in the O-ring inside, providing a much more effective seal to protect gears from dust and water ingress.

Parameters/Model Heavy Duty 6' Heavy Duty 7'
Gearbox Type (SS / MS) SS SS
Gearbox Bevel Pair (Pinion / Module) 11 & 9 11 & 9
Gearbox Bevel Pair (Crown / Module) 19//9 19//9
Side Gear Train (Top Gear / Module) 27//6 27//6
Side Gear Train (Idler Gear / Module) 38 / 6 38 / 6
Side Gear Train (Bottom Gear / Module) 34 / 6 34 / 6
Centre Distance (Total) - (mm) 411 (Str. Config.) 411 (Str. Config.)
Distance (Tran. Housing axis to frame sheet) 119 119
Drive end side bearing configuration Bearing 6309 Bearing 6309
Dead end side bearing configuration Bearing 6209 Bearing 6209
Idler bearing configuration Bearing 32008 Bearing 32008
Idler pin support type(Simply supported / Cantilever ) Simply supported Simply supported
Drive end side plate thickness (mm) 8 8
Dead end side plate thickness (mm) 8 8
Main frame sheet thickness (mm) 5 5
Main Frame Front Pipe 60*60*6 60*60*6
Frame Stacking Plates thickness (mm) 8 8
Trailing board sheet thickness (mm) 2.5 2.5
Blade type construction (C Type / L Type) C & L Type Both (Available) C & L Type Both (Available)
Rotor shaft configuration (Outward orientation / Inward orientation) Outwards Orientation Outwards Orientation
Rotor swing Diameter (mm) Ø487 (L Type) Ø487 (L Type)
Rotor tube configuration Ø89 X Ø75 Ø89 X Ø75
Rotor shaft speed (rpm) 248 248
Overall Dimensions (mm) 2080*1130*885 2305*1130*885
Tilling width (mm) 1910 2134
Recommended Tractor hp / kW range 45-60 / 34- 45 50-65 / 37- 49
Number of flanges on rotor shaft 8 9
Rotor Flange Diameter Ø265 Ø265
Rotor Flange Thickness 12 12
Number of blades on rotor shaft 48 54
Number of blades per flange 6 Blades 6 Blades
Blade Overlapping (mm) 20 20
PTO input speed 540 540
Transmission type Gear Gear
Gap b/w frame sheet and rotor hull 44 44
Interchangeability of L & C Blade on same rotor Yes Yes
Frame construction type Anti-clogging Type Anti-clogging Type
Trailing board construction type Z Type Z Type
Three point linkage type CAT I & II CAT I & II
Weight (kg) 420 (Approx.) 450 (Approx.)
Sealing Type (Stub axle arrangements) Multilip seal / Duo cone mechanical face seal Duo-Cone Seal Duo-Cone Seal
Hitch Plate Thickness (mm) Box Type Hitch Box Type Hitch
Maximum Depth (cm) 19 19
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