TM51 Series Tandem Disk Harrows

  • Dual wheels provide consistent disking depth
  • Hydraulic wing control
  • Two-blade taper creates level soil surface
  • Transport locks provide secure transport

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Distributes weight evenly during transport

The TM51 Series Tandem Disk Harrow comes standard equipped with dual wheels for consistent disking depth.


The dual wheels provide additional stability for even weight distribution during transport.

NOTE: TMD5129 and TM5132 have 12 wheels total; six on the center section and three on each of the wing sections.

Keeping gangs tightened increases wear life

Gang nut wrenches are always there when needed

End washers help keep the gang shaft end nut tightened during operation, increasing gang wear life. 


Two gang nut wrenches are supplied with each unit and securely attached to the unit, ready to use when the gangs need tightening.  

Hydraulic wing control and gauge

Hydraulic wing control is standard equipment on all Frontier™ TM51 Series Tandem Disk Harrows. A control valve allows varying hydraulic pressure to the wing-fold cylinders. It transfers weight from the mainframe to the wings to improve penetration in hard ground and/or heavy soils. Increasing pressure to the rod end of the cylinder holds the wing level to prevent gouging in soft or moist soils.


The pressure relief feature allows wings to flex over obstacles to help prevent damage to the cylinder rod. Convenient knob adjustment can be easily reached from the front of the disk. The indicator gauge provides the operator with a quick visual indication of the results of the adjustment.


NOTE: Requires a tractor with closed-center hydraulics. Operators must follow special operating instructions per the operator’s manual.

Consistent lubrication and longer life

Oil-bath disk gang bearings with a standard wear plate allow consistent lubrication and prolong bearing life with minimal maintenance. 


This feature ultimately saves both time and money.

Provides more level soil profile

The front gangs overlap, eliminating the need for a middle breaker. 


This provides a more-level soil profile, ensuring complete coverage on each pass.

Pintle hitch

Safely transport the TM51 Series Tandem Disk Harrow from the farm to the field easily with the standard pintle hitch.

Two-blade taper

A two-blade taper, including the furrow filler on the outside rear wing, reduces outside ridges and smooths out the soil to create a level soil surface.

Secure locking when transporting

Transport locks secure the unit for transport mode.

Controls arms level in ground and during transport

Two separate control arms are standard, one for transport leveling and one for leveling while the disk is in the ground.  


Once set for a given soil condition, the disk will continue to perform with consistency.

  • Dual wheels provide consistent disking depth
  • Hydraulic wing control
  • Two-blade taper creates level soil surface
  • Transport locks provide secure transport


4.2 m
13.67 ft, in.
Ground clearance with base blades
20.3 cm
8 in.
Wheel hub bearings
Dual Tapered Roller Bearings
4 m
13.2 ft
8.5 m
28 ft


Approximate working width
7.2 m
23.5 ft, in.
Maximum penetration
22.9 cm
9 in.


7842.6 kg
17290 lb
Weight per disk blade
145.1 kg
320 lb

Tractor requirements

Recommended PTO hp range
Recommended drawbar hp range
164.1+ kW
220+ hp


Tandem double offset
General Purpose
Tube size
15.2×10.2×0.95 cm
6x4x0.375 in.


Front hitch type
Bolt-on rear hitch

Disk blades

26.7 cm
10.5 in.
Notched (front) Notched (rear)
Smooth (front) Smooth (rear)
Notched (front) Smooth (rear)
Blade concavity
Standard: high
Optional: low

Available blade sizes

Blade option one
660×7.9 mm
26×0.312 in.
Blade option two
711×7.9 mm
28×0.312 in.
Blade option three
Blade option four
Blade option five
Blade option six

Disk gangs

Front angle
3 Positions
Rear angle
3 Positions
Furrow fillers
Axle size
4.1 cm
1.625 in.
or 5.4 cm
2.125 in.
Axle material
Round heat treated alloy steel, threaded on both ends
Bearing type
Oil bath tapered roller
Bearing wear plates
Bearing standards
Welded, reinforced

Lighting and safety

Safety tow chain


Eight implement
11L x 15 in. 8 ply
Wheel hub type
8 Bolt


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