657 DCR

657 Disc Chisel

The Wil-Rich 657 Disc Chisel is ideally suited for the first tillage pass in high residue conditions. Coulter discs on the 657 are offset from shanks to allow shank assemblies to properly till and bury crop residue.  The split-the-middle design offsets the coulter discs 7.5 inches (19 cm) from the shanks to dislodge root balls and more efficiently start the decomposition process. The combination of coulter discs in the front for sizing crop residue and careful shank placement around wheels minimizes plugging.

Specifications

Main Frame
  • 4″ x 6″ x ⅜” (10.1 x 15.2 m x 1 cm) tubular frame
STRAIGHT CUTTER GANGS (OPTIONAL)
  • 20″ (51 cm) diameter x .197″ (.5 cm) thick on 7½” (19 cm) spacing
  • Arbor bolt 1½” (4 cm) diameter
  • Visual gauge of relative cutter depth
SPECIFICATIONS
  • Under frame clearance: 30″ (76 cm)
  • Operating speed: 5 – 7 mph (8 – 11 kph)
  • HP (PTO) per foot: 15 – 20 (37 – 49 kW per meter)
SAFETY EQUIPMENT
  • Safety chain
  • Transport warning lights
Hitch
  • Pull type with hinged tongue using a 2″ (5 cm) draw pin
Wheels
  • Walking tandem wheels: 11L x 15, 12-ply tires on 15 x 8 6-bolt rims
Shanks
  • Heavy duty 1,400 lb. (635 kg) spring cushion shanks on 15″ (38.1 cm) spacing
DISC UNITS (OPTIONAL)
  • 22″ (56 cm) diameter x .27″ (.7 cm) thick on 15″ (38 cm) spacing
  • Gang cutting angle: 12 degrees
  • Visual gauge of relative disc depth
SHANK WORKING DEPTH
  • Chisel plow shanks:  10″ (25 cm) maximum; Trip height 10″ (25 cm)
  • Coulters or disc:  5″ (14 cm) maximum

Gallery

Specifications

Rigid

Model Number
Straight Cutter Gang
Concave Disc Units
Working Width
Transport
Approx. Weight lbs.
Approx. Power Req’d
Width
Height
657 DCR 11 18 10 11’3″ (3.4 m) 13’5″ (4.1 m) 5’8″ (1.7 m) 9,662 (4,383 kg) 170-250 (127-186 kW)
657 DCR 13 22 12 13’9″ (4.2 m) 13’5″ (4.1 m) 5’8″ (1.7 m) 10,475 (4,751 kg) 200-280 (149-209 kW)
657 DCR 15 26 14 16’3″ (5 m) 16’5″ (5 m) 5’8″ (1.7 m) 11,654 (5,286 kg) 245-340 (183-254 kW)
657 DCR 18 30 16 18’9″ (5.7 m) 21’0″ (6.4 m) 5’8″ (1.7 m) 12,991 (5,893 kg) 280-380 (209-283 kW)

Folding

Model Number
Straight Cutter Gang
Concave Disc Units
Working Width
Transport
Approx. Weight lbs.
Approx. Power Req’d
Width
Height
657 DCR 18 30 16 18’9″ (5.7 m) 13’5″ (4.1 m) 9’9″ (3 m) 14,150 (6,418 kg) 280-380 (209-283 kW)
657 DCR 23 38 20 23’9″ (7.2 m) 13’5″ (4.1 m) 10’2″ (3.1 m) 17,502 (7,939 kg) 355-400 (265-298 kW)
657 DCR 28 46 24 28’9″ (8.8 m) 18’0″ (5.5 m) 12’9″ (3.9 m) 20,129 (9,130 kg) 430+ (321 kW)
657 DCR 33 54 28 33’9″ (10.2 m) 18’0″ (5.5 m) 15’3″ (4.6 m) 22,976 (10,422 kg) 500+ (373 kW)
657 DCR 36 58 30 36’9″ (11.2 m) 20’6″ (6.2 m) 15’3″ (4.6 m) 24,208 (10,981 kg) 550+ (410 kW)