* Three versions of the 637 Disk available
* Comes with three-year warranty
* Dura-Flex™ gang bearings feature a two-year warranty
* Single-point depth control allows precise depth adjustment from one point
* Residue-handling ability
* Hydraulic front-to-rear leveling motor available
* Double-action front-to-rear leveling system improves compatibility and makes operation stable in rough terrain
* Crank-adjust front-to-rear leveling comes as base equipment on all 600 Series Disks
* The right blade spacing depends on the disk model and job to be performed
* Choose the right blade types
* Rear finishing blades smooth out soil for a level disking job
* When to use each blade edge
* Three-bar coil-tine-tooth harrow
* Safety features come as base equipment
* Convenient container for easy access to operator's manual
Attachments
* Parking stand for rear of disk (637 Disks)
* Rear hitch for use with tine-tooth harrow (637 Folding Disks)
* Convex disk blade scraper (637 Disks)
* Flip-over hitch casting available for 637 Rigid Disks
* Wheel covers (637 Folding Disks)
* Hydraulic wing control (637 Folding and 650 Disks)
* Extension kit for operation with 9000T Series Tractors with wide-swing drawbar
* Finishing blades (637 and 650 Disks)
* Knockout scraper (637 and 650 Disks)
* Wing frame stabilizer wheels (637 Folding and 650 Disks)
* Bearing wear guards for rigid gang standards
* Hose identification kit
Ground-engaging components
* C-spring cushioned middle breaker cuts out the soil center bulk
* Combination rigid/self-adjusting scrapers used on 637 and 650 Disks
* 24-in. blade available on 637 Folding Disks
* Knockout scraper (637 and 650 Disks)
* Gang angle adjusts to two positions
* Rear finishing blades smooth out soil for a level disking job
* Dura-Flex™ gang bearings feature a two-year warranty
Standard options
* Massive straight standards are used on 627 Regular, 637 Regular, and 650 Disks
* C-spring standards and heavy-duty spools used on 637 RockDisk™ and 637 WheatLand™ Disks
* Bearing wear guard protects disk gang bearings
Depth control
* Single-point depth control allows precise depth adjustment from one point
* TouchSet™ depth control
Transport dimensions and horsepower requirements
* Folding—General-purpose transport dimensions and horsepower requirements
* Folding—RockDisk™ transport dimensions and horsepower requirements
* Folding—WheatLand™ transport dimensions and horsepower requirements
* Folding—BlackLand™ transport dimensions and horsepower requirements
* Rigid—General-purpose transport dimensions and horsepower requirements
* Rigid—Guide to RockDisk™ transport dimensions and horsepower requirements
Tandem disk frame
* Front-mounted wing-fold cylinders
* Additional sizes available
* Flex-fold™ wing frames follow uneven terrain for level disking results
* Adjustment wrench is the only tool needed for leveling 637 Disks
* Hydraulic wing control (637 Folding and 650 Disks)
* Wing frame stabilizer wheels (637 Folding and 650 Disks)
* Tandem gangs designed with cushioned-disk middle breaker
* Factory assembly on 637 Disks reduces setup time
Hitch
* Long, narrow Level-lift™ hitch permits short, tight turns
Wheels and tires
* Hydraulic wheel modules control mainframe and wing frames
* Forward-acting wing wheels provide depth control
* Plug-in wheel spindles
* Wheel arms used on 637 Rigid sizes only
* Tandem Walk-Over™ wheels (637 Folding Disk sizes only)
Rear attachments
* Rear hitch attachment available for 637 Folding Disks
* Rear hitch for use with tine-tooth harrow (637 Folding Disks)
* Three-bar coil-tine-tooth harrow
* Adjustable coil-tine harrow kit