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John Deere SB31 Series Sickle Bar Mowers

Model Photo

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Adjustable skid shoes control working height

Adjustable skid shoes Adjustable skid shoes

The adjustable skid shoes on the cutterbar make it easy to control the working height of Frontier™ sickle-bar mowers.

Belt-driven cutter blades manually adjust for added tension

SB11 Series belt-driven cutter blades shown SB11 Series belt-driven cutter blades shown

The cutter blades on the Frontier™ sickle-bar mowers are belt driven with a manual adjustment for tension. 

Breakaway mechanism has been strengthened

Stronger for added life and cutterbar protection Stronger for added life and cutterbar protection

The enhanced breakaway mechanism has been strengthened on the SB31 Series Sickle-Bar Mowers for improved cutterbar protection and longer machine life.

Cylinder stop redesigned

Can be operated from tractor seat Can be operated from tractor seat

The redesigned cylinder stop can be raised from the operator station by a cable and attached pull rope. This allows the operator to raise the cutterbar fully to move around obstacles without leaving the tractor seat.

Knife and guard maintenance

Cutterbar knife guard Cutterbar knife guard

The bolt-on cutterbar knife guards and the riveted sections on the Frontier™ sickle-bar mowers can be removed and replaced individually.


Working width 235 cm
92.5 in.
Minimum cutting height 2.5 cm
1 in.
Maximum cutting height 7.6 cm
3 in.


Shipping weight 303.5 kg
669 lb
Operational weight 246.3 kg
543 lb

Tractor compatibility

PTO minimum hp 18.6 kW
25 hp
PTO maximum hp 37.3 kW
50 hp
PTO rpm 540 rpm


Type 3-point, Category 1, Category 2
iMatchTM compatible Yes
Quick-coupler compatible Yes

Set-up time

Labor hours 4


Time period 1 year

Additional information

Date collected