SPARK PLUG SELECTION CHART

IF THE ENGINE HEAD WAS RE-WORKED, OR IF A PRECOMBUSTION CHAMBER WAS INSTALLED, VERIFY PLUG SIZE.

ENGINE MODEL UNSHIELDED SHIELDED INTEGRAL COIL TYPE
SEVERE SERVICE NORMAL SERVICE 5/8″-24 SHIELD 3/4″-20 SHIELD 13/16″-20 THREAD 1″-20 THREAD
AJAX (Cooper Penjax)
CMA, EA22, 61/2″ x 8″, EA30 71/4″ x 8″ RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
CMA, 71/2″ x 10″, 81/2″ x 10″, C40, C42 81/2″ x 10″ RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
E42 81/2″ x 10″, WL, EA15 5″ x 61/2″ RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
DP60, DPC60, DPC120 91/2″ x 12″ RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
DP80, DPC80, DP160, DPC160 11″ x 14″ RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
DP80A, DPC80A, DP160, DPC160A 11″ x 14″ RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
DP115, DPC115A, DP230, DPC230 131/4″ x 16″ RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
DP300, DPC300, 15″ x 16″, DPC600, DPC360, DPC540 RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
E15 51/4″ x 8″, C30, E30, 71/2″ x 10″ RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
CATERPILLAR
3500 SERIES RB777-1 RB777-1
3600 SERIES ———————————- CALL FACTORY ——————————-
CLARK
MA, HMA, HMB RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
BA, HBA, HLA, HBA-T, HLA-T RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
RA, HRA, HSRA, HRA-T, HMAB RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
TPV, TLA, TLAD, TMB, TRA RB105-1 RB105-1 RB118SD SEE NOTE 1 SEE NOTE 2
TCV, TCVA, TCVD, TCVC RB105-1 RB105-1   RB118SD SEE NOTE 1 SEE NOTE 2
TVM, VMC, HMC, VRA RB105-1 RB105-1   RB118SD SEE NOTE 1 SEE NOTE 2
COOPER-BESSEMER
(5/8″ Reach) G-AW, G-MR, G-MV, JS RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
(5/8″ Reach) GMV, GMVA, GMVB RB105-1 RB212-1   RB118SD SEE NOTE 1 SEE NOTE 2
(5/8″ Reach) GMVC, GMVE, GMVG, GMVH RB105-1 RB212-1 RB118SD SEE NOTE 1 SEE NOTE 2
(5/8″ Reach) GMW, GMWA, GMWC, GMWH RB105-1 RB212-1 RB118SD SEE NOTE 1 SEE NOTE 2
(1″ Reach) GMW, GMWA, GMWC, GMWH RB114-1 RB114-1     SEE NOTE 1 SEE NOTE 2
(5/8″ Reach) GMX, GMXE, GMXH, V250 RB105-1 RB105-1   RB118SD SEE NOTE 1 SEE NOTE 2
(1″ Reach) GMX, GMXE, GMXH, V250, GMVG RB114-1 RB114-1 SEE NOTE 1 SEE NOTE 2
(5/8″ Reach) W-330, Z-330, V275 RB105-1 RB105-1 RB118SD SEE NOTE 1 SEE NOTE 2
(1″ Reach) W-330, Z-330, V275 RB114-1 RB114-1     SEE NOTE 1 SEE NOTE 2
(5/8″ Reach) LS, LSV, KSV Standard 7/8″ -18 RB105-1 RB105-1   RB118SD SEE NOTE 1 SEE NOTE 2
ENTERPRISE (Delaval)
HA6, HV8, HVA8, HV12 RB114-1 RB114-1     SEE NOTE 1 SEE NOTE 2
HVA12, HV16, HVA16, HVA20 RB114-1 RB114-1     SEE NOTE 1 SEE NOTE 2
TDSG-36-6-38 Rear Side Of Head BG341-1 SEE NOTE 1 SEE NOTE 2
CSG-36, 38; GSM-36, 38 BG341-1 SEE NOTE 1 SEE NOTE 2
INGERSOLL-RAND
XVG, PVG, JVG, PJVG, SVG, PSVG RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
KVG, KVGR, PKVG, PVGR, PKVGR RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
TVS, TVR, SVS, KVT, KVST thru 1977 RB105-1 RB105-1 RB118SD SEE NOTE 1 SEE NOTE 2
KVSR 1978 on, w/Precomb Chamber RB114-1 RB114-1 SEE NOTE 1 SEE NOTE 2
KVH, KVR, KVS, PKVR, PKVSR RB105-1 RB105-1   RB118SD SEE NOTE 1 SEE NOTE 2
LUFKIN            
HT333, HC333, GSD, GSDH RB212-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
H795, H1770, H2165 RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
MINNEAPOLIS-MOLINE
BEU, DU, FEU, GU, GUA RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
LU, MEU, NEU, SEU, TAU RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
TEU, CU, KE, KU, HU RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
283-4A, 425-6A, 403-4A, 605-6A RB105-1 RB212-1 RB312S-1 RB118SD SEE NOTE 1 SEE NOTE 2
206-4A, 165-4A (EU), 220-4 RB485-1 RB485-1   RBH485SD SEE NOTE 1 SEE NOTE 2
HD220-4A, M220-A4A, 283-4A RB485-1 RB485-1   RBH485SD SEE NOTE 1 SEE NOTE 2
336-4A, 403-4A, 425-6A RB485-1 RB485-1 RBH485SD SEE NOTE 1 SEE NOTE 2
KD425-6A, HD504-6A RB485-1 RB485-1 RBH485SD SEE NOTE 1 SEE NOTE 2
605A-6A, 605B-6A, 800-6A RB485-1 RB485-1   RBH485SD SEE NOTE 1 SEE NOTE 2
HD800-6A, HD800A-6A RB485-1 RB485-1   RBH485SD SEE NOTE 1 SEE NOTE 2
1210-12A, 1600-12A RB485-1 RB485-1 RBH485SD SEE NOTE 1 SEE NOTE 2

NOTE 1: Use the 3/4″ -20 Shielded Plug with the “FM1″ Series Coil Adapters (Page 26) or Use the 5/8” -24 Shielded Plug with the “FME” Series Coil Adapters (Page 26)

NOTE 2: Use the 3/4″ -20 Shielded Plug with the “M” Series Coil Adapters (Page 27) or Use the 5/8″ -24 Shielded Plug with the “E” Series Coil Adapters (call factory)

(Spark Plug Selection Chart continued on page 53)  


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