TRACTOR APPLICATION GUIDE

 

Tractors that require 7/8" Flat Seat x 14mm Tapered Seat Adapters                 

 

CASE: Series C, D, L, LA, R

 

CATERPILLAR: All tractors thru 1930, All tractors using gasoline fuel; gasoline starting engine.

                             For diesel tractors 30, 40, 50, 60, 65, 70, 75, RD-6, RD-7

 

COCKCHUTT: 80HC, 99, 80HD, 90

 

INTERNATIONAL HARVESTOR: Farmall 10-20,15-30,22-36, Std. Farmall. 20 Ind., 30 Ind., 15-30 Ind., I-12, I-14, I-30, F-12, F-14, F-20, F-30, I-40, IA-40, IK-40, O-12, O-14, W-12, W-14, W-30, W-40, WA-40. Fairway 12, I-9, W-9, WR-9, WR-9S, 20TTT, 10-20TTT, T-20, T-35, T-40, TA-40, T-9, T-14

 

JOHN DEERE: A, AR-AO, B, BR-BO, D, G, L series, (1931 and newer GP)

*John Deere tractors (A, AR-AO, B, BR-BO, G) built before 1940 will generally require a 7/8" adapter, these same tractors built 1940 and newer will generally require an 18mm adapter.

 

OLIVER: 18-28, 28-44, 80, 90, 99 (4 cyl), 80KD, 90KD, 900, 80HC, 99HC, 35, 40, 40-30,                                       55, 80, BG, BGS, OC-3, OC-4, OC-12

       

MINNEAPOLIS MOLINE: U

 

MISC: 1937 Silver King Hercules Engine

 

Note on all JOHN DEERE tractors: Generally, tractors built 1940-1970 will take an 18mm adapter, tractors built between 1925-1939 will take 7/8" adapters. One exception to this rule is the JOHN DEERE "D" which never took an 18mm.

Tractors that require 18mm Flat Seat x 14mm Tapered Seat Adapters              

 

CASE: OC, D series, LA series, 430, 431, 435, 440, 441, 445, 470, 530, 531, 535,                                               540, 541, 545, 570, 610, 730, 731, 732, 733, 734, 740, 741, 742, 743, 744,                                             770, 830, 831, 832, 833, 840, 841, 842, 843, 870, 910, 930, 970

 

FERGUSON: MH-50, F-40, MF-50, MF-65, MF-85, MF-88, TO-20, TO-30, TO-35 

                                 

INTERNATIONAL HARVESTOR: Farmall (Reg. Super, & HC)  & Int. Utl. Series A, A-1, AV, AV-1, B, BN, C, H, HV, M, M-TA, M-TAV, MV, O-4, OS-4, O-6, OS-6, W-4, W-6, W6-TA, 100, 130, 140, 200, 230, 240, 300, 330, 340, T340, 350, 400, 404, 424, 450, 454, 460, 504, 544, 560, W560, 574, 606, 656, 660, 706, 756, 806, 856, 2404, 2424, 2444, 2500, 2856, 3514, 3616, 3800, 3850,  Cub, Cub Lo-Boy, T-6

 

JOHN DEERE: A, AR-AO, B, G, H, 50, 60, 70, 520, 530, 620, 630, 720, 730, 3010, 3020,                                                  4000, 4010, 4020, 4030, 4230, 2520

                          

OLIVER: HC Mdls., Super 44, Super 55, 60, 66, Super 66, 70, 77, Super 77, 88, Super                                           88, 99, Super 99, 166, 177, 188, 199, 440, 550, 660, 770, 880, 950, 60KD,                                               66KD, 70KD, 77KD, 88KD, 1550, 1555, OC-6, AG-6

       

MINNEAPOLIS MOLINE: M5, M504, M602, U302, G704, G705, M604, M670, G900, G950,                                                                  G1000, G1050, Jet Star Series, G, U, Z, 335, 445, 2-4-5 Star Crawler       

 

MASSEY FERGUSON: Several different engines used, MUST SPECIFY SPARKPLUG SIZE!       

Tractors that require 1/2" NPT x 14mm Tapered Seat Adapters                          

 

JOHN DEERE: 1930 and older GP.  1928 JOHN DEERE "D"

Tractors that require 3/4" NPT x 14mm Tapered Seat Adapters                          

 

INTERNATIONAL      Titan

Reference Fitting Charts

This cross-reference chart is used for 18mm and 7/8" adapters. Use it as a guide only. There are many more plugs to choose from, these are the more common ones.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This chart is used for the 1/2" npt, 3/4" npt, and Allison adapters. These plugs are "extended reach" to better position the 14 mm plug to the correct depth in the cylinder. The plugs in the above chart will also work; they are just a little shorter. 

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