Coulter Hole Configurations

Center Hole Diameter
(CHD)		 Bolt Circle Diameter
(BCD)		 No. of Bolt
Holes (NBH)		 Bolt Hole Diameter
(BHD)		 OEM
Ref.		 Hole
No.
Inches mm Inches mm Inches mm    
31/32" (0.97") x 1 11/32" (1.34")
 24.6 3 1/4" (3.25") 82.6 6 11/32" (0.34") 8.7 IH 51
1 1/2" (1.50")
 38.1 4 1/2" (4.50") 114.3 4 17/32" (0.53") 13.5 IHN 52
2" (2.00")
 50.8 3 3/4" (3.38") 85.7 6 13/32" (0.41") 10.3 K 83
2" (2.00")
 50.8 3 1/2" (3.50") 88.9 6 13/32" (0.41") 10.3 JD 53
2 1/8" (2.13")
 54.0 4 3/4" (4.75") 120.7 5 33/64" (0.57") 13.1 JDM 55
2 1/2" (2.50")
 63.5 4" (4.00") 101.6 4 17/32" (0.53") 13.5 H 81
2 11/16" (2.69")
 68.3 4 1/4" (4.25") 108.0 4 13/32" (0.41") 10.3 ORT 84
3" (3.00")
 76.2 4 3/8" (4.38") 111.1 4 13/32" (0.41") 10.3 JDD 80
3 11/64" (3.17") 80.6 4 3/4" (4.74") 120.7 4 15/32" (0.47") 11.9 MF 62
3 11/16" (3.69") 93.7 5" (5.00") 127.0 4 17/32" (0.53") 13.5 MLRW 78
3 3/4" (3.75") 95.25 5" (5.00") 127.0 6 7/16" (0.44") 11.1 R 55
4" (4.00") 101.6 5 1/4" (5.25") 133.4 4 17/32" (0.53") 13.5 OL 69
4 1/8" (4.13") 104.8 5 1/2" (5.50") 139.7 5 17/32" (0.53") 13.5 F 63
2 13/32" (2.41") 61.0 4 29/64" (4.45") 113.1 5 33/63" (0.52") 13.1 S 79

 

Hole Configuration OEM Reference Used On Center Hole Bolt Circle Dia Bolt Holes Hole No.
Flex King F Flex King, Miller Weeder, Noble/Versatile,
Roll-a-Cone, Sunflower, others		 4-1/8" 5-1/2" (5) 17/32" 63
Hiniker H Hiniker, Black Machine, Brillion, DMI, Glencoe/Farmland, Haybuster, Landoll, Sukup,
United Farm Tools, Wil-Rich/Noble, others		 2-1/2" 4" (4) 17/32" 81
IH Older Style IH IH older style, others 31/32" x 1-11/32" 3-1/4" (6) 11/32" 51
IH Newer IHN IH newer style including 720, 800, others 1-1/2" 4-1/2" (4) 17/32" 52
John Deere JD John Deere HS and NU bottoms (non-metric), Yetter, others 2" 3-1/2" (6) 13/32" 53
Hiniker JDD John Deere 750 drill, others 3" 4-3/8" (4) 13/32" 80
Flex King JDM John Deere NU 450 (metric bottoms), Yetter, others 2-1/8" 4-3/4" (5) 33/64" 55
John Deere K Kinze, Black Machine, others 2" 3-3/8" (6) 13/32" 83
Hiniker MF Massey Ferguson, others 3-11/64"
(3.172)		 4-3/4" (4) 15/32" 62
Hiniker MLWR Melroe/Wil-Rich, Acra Plant, Ag Systems, Bigham Bros., Caldwell-Hamby, DMI, Flexi-Coil, Harrell, Landoll, Marliss, Monroe/Tufline, Noble, Sunflower, Thurston/Blu Jet, Tye, United Farm Tools Wetherall, Wiese, York Agri Prod., others 3-11/16" 5" (4) 17/32" 78
Hiniker OL Oliver/White, Great Plains, KBH, others 4" 5-1/4" (4) 13/32" 69
Hiniker ORT Orthman, others 2-11/16" 4-1/4" (4) 13/32" 84
John Deere R Rawson, others 3-3/4" 5" (6)
7/16"		 55
Flex King S Simba, others 2-13/32" 4-29/64" (5) 33/64" 79

 

Optional Hole Configurations

Hole Patterns Order Number Sped Fits Axle Type Fits Axle Sizes
Dual Square 10 DS1 Dual Square 7/8" Square 1" Square 1" Round
11 DS2 Dual Square 1" Square 1-1/8" Square 1-1/8" Round
12 DS3 Dual Square 1-1/8" Square 1-1/4" Square 1-1/4" Round
13 DS9 Dual Square 1-1/4" Square 1-1/2" Square 1-1/2" Round
14 DS4 Dual Square 1-1/2" Square 1-3/4" Square 1-3/4" Round
Round 15 R1 Round 1" Round    
16 R2 Round 1-1/8" Round    
17 R3 Round 1-1/4" Round    
18 R4 Round 1-1/2" Round    
19 R46 Round 1-3/4" Round    
20 R5 Round 1-3/4" Round    
21 R6 Round 2" Round    
22 R6.5 Round 2-1/4" Round    
23 R7 Round 2-1/2" Round    
Square 24   Square 1" Square    
25   Square 1-1/4" Square    
26   Square 2-3/8" Square    
Square Round 27   Square Round 7/8" Square 1" Round  
28   Square Round 1" Square 1-1/8" Round  
29   Square Round 1-1/8" Square 1-1/4" Round  
30   Square Round 1-1/4" Square 1-1/2" Round  
31   Square Round 1-1/2" Square 1-5/8" Round  
32   Square Round 1-1/2" Square 1-3/4" Round  
33   Square Round 1-3/4" Square 2" Round  
34   Square Round 2-1/4" Square 2-1/2" Round  
Cloverleaf 35   Cloverleaf 7/8" Square 7/8" Round  
36   Cloverleaf 1" Square 1" Round  
37   Cloverleaf 1-1/8" Square 1-1/8" Round  
38   Cloverleaf 1-1/4" Square 1-1/4" Round  
39   Cloverleaf 1-1/2" Square 1-1/2" Round  
40   Cloverleaf 1-3/4" Square 1-3/4" Round  
41   Cloverleaf 2-1/4" Square 2-1/4" Round