4250 Series

Wheel Offset Disk Harrow

For use with tractors in the 304 – 542hp range

FEATURES

  • Both rigid and folding models are designed to give excellent uniform tillage in all stubble plowing situations.
  • Main frame and gang carriers constructed of high strength tubular steel that is welded for maximum strength and durability.
  • Hydraulically controlled transport assembly with cylinder transport locks to pin wheels in raised position to safeguard implement from accidentally falling during transport.
  • Transport position allows approximately 12” (305mm) ground clearance.
  • Adjustable gang angles of 18°, 20°, and 22° for both front and rear gangs.
  • Equipped with Timken dual tapered roller bearings.
  • Up to 462lbs (210kg) of weight per disk blade depending on model with an average of 444lbs (201kg).
  • Up to 11” (279mm) maximum depth of penetration with standard 32” (813mm) diameter disk blades.
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Specifications

Series 4250 Wheel Offset Disk Harrow

12” (305mm) disk spacing; 2-1/8” (54mm) round axles; Equipped with Timken dual tapered roller bearings

Model Number Width of Cut ft/in (m) Transport Width ft/in (m) Number of Disks Suggested Engine Horsepower Weight Per Disk lbs (kg) Net Weight lbs (kg)
4250-35 16’-6” (5.0) 17’-6” (5.3) 35 304 – 359 444 (201) 15,540 (7049)
4250-49-WF 23’-0” (7.0) 13’-8” (4.2) 49 422 – 477 425 (193) 20,825 (9446)
4250-53-WF 26’-6” (8.1) 15’-6” (4.7) 53 487 – 542 462 (210) 24,460 (11,095)

*Engine horsepowers are suggested ranges and vary according to soil conditions and weight added to harrow. Per ASAE S290.1 – Width of cut will vary with gang angle and disk blade diameter.
NOTE: This harrow requires hydraulic control. One rear tractor hydraulic circuit required for model 4250-35. Two rear tractor hydraulic circuits required for models 4250-49-WF and 4250-53-WF

Standard Equipment

  • 32” (813mm) diameter x 3/8” (10mm) thick, cutout (notched) shallow concavity disk blades.
  • Heat treated alloy steel gang axles.
  • Heavy duty fabricated steel spacer spools.
  • Bearing wear plates.
  • Furrow filler disk group.
  • Adjustable disk blade scrapers.
  • Wheel hubs with 2 tapered roller bearings on each hub that are dust and moisture protected.
  • New industrial tires – 4 each. 4250-35 and 4250-49-WF: 12.5L x 15. 4250-53-WF: 16.5L x 16.1.
  • Hardened pins and bushings.
  • Hydraulic control group includes cylinders, hose holders, and hoses with fittings to reach rear of tractor.
  • Cylinder rod stops.
  • Drawbar jack stand and safety chain.

Optional Equipment

  • 32” (813mm) diameter x 3/8” (10mm) thick; dura-faced cutout (notched) shallow concavity disk blades.
  • Heavy duty bearing wear plates.
  • Rear hitch assembly.
  • Rear hitch hydraulic group.