Great Plains CTA4000 Operator Manual - Manual (Page 42)

38 CTA4000
160-269M-A 08/03/2010
Opener Down Force
Noted row unit down force figures require additional weight,
unless markers are installed.
One weight kit required.
Two weight kits required.
CTA4000 Row Spacings
Valve 6 in (15.2 cm) 7.5 in (18.9 cm) 10 in (24.8 cm)
200 psi 87 lbs (39 kg) 92 lbs (42 kg) 99 lbs (45 kg
300 psi 96 lbs (44 kg) 103 lbs (47 kg) 113 lbs (51 kg)
400 psi 105 lbs (48 kg) 113 lbs (51 kg) 128 lbs (58 kg)
500 psi 113 lbs (51 kg) 124 lbs (56 kg) 142 lbs (64 kg)
600 psi 122 lbs (55 kg 135 lbs (61 kg) 157 lbs (71 kg)
700 psi 131 lbs (59 kg) 146 lbs (66 kg) 171 lbs (78 kg)
800 psi 140 lbs (64 kg) 157 lbs (71 kg) 186 lbs (84 kg)
900 psi 148 lbs (67 kg) 168 lbs (76 kg) 200 lbs (91 kg)
1000 psi 157 lbs (71 kg) 178 lbs (81 kg) 214 lbs (97 kg)
1100 psi 165 lbs (75 kg) 189 lbs (86 kg) 229 lbs (104 kg)
1200 psi 174 lbs (79 kg) 200 lbs (91 kg) 243 lbs (110 kg)
Down-force settings above 1200 PSI require an adjustment to the opener-subframe arms. See next page.
1300 psi 179 lbs (81 kg) 205 lbs (93 kg) 250 lbs (113 kg)
1400 psi 185 lbs (84 kg) 213 lbs (97 kg) 258 lbs (117 kg)
1500 psi 189 lbs (86 kg) 217 lbs (98 kg) 264 lbs (120 kg)
1600 psi 195 lbs (88 kg) 224 lbs (102 kg) 273 lbs (124 kg)
1700 psi
Not Recommended - likely to
lift gauge wheels off ground
1800 psi
1 1 1
1 1 1
1 1 1
2 2 2
2 2 2
1
2