CPM or DCPM Style Integral Coil 13/16"-20 UNEF-2A Spark Plugs

STITT Spark Plug Engine Recommendations
for
"CPM" OR "DCPM" Style Integral Coil
13/16" - 20 UNEF-2A Plugs
Compatible with CSA, FMR Class 1, Group D, Div. 2 Requirement

Click on the manufacturer of your engine.
AJAX (Cooper Energy Services)	ARIEL
ARROW	CATERPILLAR
CLARK (Dresser Clark)	COOPER-BESSEMER
CUMMINS	CUMMINS NATURAL GAS ENGINES
DELAVAL (Transamerica)	DRESSER-RAND
ENTERPRISE (Also see DeLaval)	FAIRBANKS-MORSE (Coltec)
GEMINI	HERCULES
INGERSOLL-RAND	KUBOTA
LISTER PETTER	LORAIN
LUFKIN	M.E.P. INDUSTRIES
MINNEAPOLIS-MOLINE	NORDBERG (Hatch & Kirk)
OILWELL	SUPERIOR (Cooper Energy Services)
WAUKESHA	WORTHINGTON

AJAX (Cooper Energy Services)

Engine Model	Plug Gap	STITT Part No.	Reach
C30, C40, C42, CMA, E-15	.015	CPM-107	5/8"
EA15, E30, EA30, E42	.015	CPM-107	5/8"
DP60, DPC60, DP80	.015	CPM-107	5/8"
DPC80, DPC105, DP115	.015	CPM-107	5/8"
DP125, DPC140, DP160	.015	CPM-107	5/8"
DPC160, DPC162, DP165	.015	CPM-107	5/8"
DPC180, DPC230, DPC280	.015	CPM-107	5/8"
DP300, DPC300, DP325	.015	CPM-107	5/8"
DPC360, DPC540	.015	CPM-107	5/8"
DPC600, DPC800	.015	CPM-107	5/8"
2801, 2802, 2803, 2804	.015	CPM-R107	5/8"
Pre-combustion chamber	.015	CPM-107	5/8"

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ARIEL

Engine Model	Plug Gap	STITT Part No.	Reach
162JGS/1, 325JGS/1		Consult STITT Factory

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ARROW

Engine Model	Plug Gap	STITT Part No.	Reach
C-46, C-66, C96, C106, C245, C255		Consult STITT Factory
L-795, L-1770, L-2165		Consult STITT Factory

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CATERPILLAR

Engine Model	Plug Gap	STITT Part No.	Reach
G-333, G-3304, G-3306
1/2" REACH CYL. HEADS	.015	CPM-407L	1/2"
3/4" REACH CYL. HEADS	.015	CPM-407XL	3/4"
G-343	.015	CPM-407XL	3/4"
G-342, G-353, G-379	.015	CPM-407L	1/2"
G-397, G-398, G-399	.015	CPM-407L	1/2"
3400 SERIES	.015	CPM-407XL	3/4"
3500 SERIES		Consult STITT Factory
3600 SERIES		Consult STITT Factory

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CLARK (Dresser Clark)

Engine Model	Plug Gap	STITT Part No.	Reach
RA, RAS, HRA, HRAT		Consult STITT Factory
MA, HMA		Consult STITT Factory
BA, HBA, HBAT, TLA, TCV		Consult STITT Factory
HLA, HLAT, TMB, TRA		Consult STITT Factory
Pre-combustion chamber modifications		Consult STITT Factory

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COOPER-BESSEMER

Engine Model	Plug Gap	STITT Part No.	Reach
GMV, GMVA, GMVC, GMVE, GMVH, GMW, GMWA, GMCA, GMWH, GMX, GMXD, GMXE, GMXH, V-250, V-275 W-330, Z-330, QUAD
Short Reach (5/8")		Consult STITT Factory
Long Reach (7/8")		Consult STITT Factory
LS, LSV 7/8"-18 Heads		Consult STITT Factory
LS, LSV 1-1/8"-12 Heads		Consult STITT Factory
JS		Consult STITT Factory
Jet Cell® Pre-Combustion Chambers		Consult STITT Factory

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CUMMINS

Engine Model	Plug Gap	STITT Part No.	Reach
GNHC-4, GNH-220 3/8" Reach		Consult STITT Factory
GNH-250, GV-12450 3/8" Reach		Consult STITT Factory
GM-12-525 3/8" Reach		Consult STITT Factory
GNHC-4, GNH-220 1/2" Reach		Consult STITT Factory
GNH-250, GV-12450 1/2" Reach		Consult STITT Factory
GM-12-525 1/2" Reach		Consult STITT Factory

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CUMMINS NATURAL GAS ENGINES

Engine Model	Plug Gap	STITT Part No.	Reach
G-495, G-743, G-855	.020	DCPM-407XLB13	3/4"
G-1710, GTA-743, GTA-855	.020	DCPM-407XLB13	3/4"
GTA-1710	.020	DCPM-407XLB13	3/4"

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DELAVAL (Transamerica)

Engine Model	Plug Gap	STITT Part No.	Reach
HV-8, HVA-8, HV-12, HVA-12		Consult STITT Factory
HV-16, HVA-16, HVA-20, HA-6		Consult STITT Factory

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DRESSER-RAND

Engine Model	Plug Gap	STITT Part No.	Reach
KVGR		Consult STITT Factory
KVSR, KVSE, KVR		Consult STITT Factory
TCVD, TLAD		Consult STITT Factory
Pre-chamber modifications		Consult STITT Factory

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ENTERPRISE (See also DeLaval)

Engine Model	Plug Gap	STITT Part No.	Reach
All engines with 18mm 13/16" Reach
Cylinder Heads		Consult STITT Factory

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FAIRBANKS-MORSE (Coltec)

Engine Model	Plug Gap	STITT Part No.	Reach
OP38 Series		Consult STITT Factory

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GEMINI

Engine Model	Plug Gap	STITT Part No.	Reach
G26, G35		Consult STITT Factory

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HERCULES

Engine Model	Plug Gap	STITT Part No.	Reach
G-1600	.020	CPM-407	3/8"
G2300, G3400	.020	DCPM-40B4.5	3/8"
G4800	.020	DCPM-40XLB	3/4"

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INGERSOLL-RAND

Engine Model	Plug Gap	STITT Part No.	Reach
JVG, KVG, KVGR, KVT, PJVG, PKV		Consult STITT Factory
PKVGR, PKVT, PSVG, PVG, SVG		Consult STITT Factory
SVO, SVS, TVR, TVS, VG		Consult STITT Factory
KVR, KVS, KVSR, KVSRA		Consult STITT Factory
PKVR, PKVSR		Consult STITT Factory
7/8"-18 Heads 7/8" Reach		Consult STITT Factory
7/8"-18 Heads 1" Reach		Consult STITT Factory

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KUBOTA

Engine Model	Plug Gap	STITT Part No.	Reach
KNG1600E, KNG3200E		Consult STITT Factory

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LISTER PETTER

Engine Model	Plug Gap	STITT Part No.	Reach
HR2G, HR3G		Consult STITT Factory

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LORAIN

Engine Model	Plug Gap	STITT Part No.	Reach
30, 37, 40, 50	.020	CPM-R807	1/2"
A, L, O, R 7/8"-18 Heads	.015	CPM-107	5/8"

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LUFKIN

Engine Model	Plug Gap	STITT Part No.	Reach
GSC	.020	CPM-107	5/8"
GSD, GSDH, HC333, HT333	.020	CPM-107	5/8"
H795	.020	CPM-107	5/8"
H1770, H2165	.015	CPM-107	5/8"

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M.E.P. INDUSTRIES

Engine Model	Plug Gap	STITT Part No.	Reach
M.E.P. 6, 8, 10, 12		Consult STITT Factory

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MINNEAPOLIS -MOLINE

Engine Model	Plug Gap	STITT Part No.	Reach
HD-336-4A, HE-425-6A	.015	CPM-R807	1/2"
HD-504-6A, HD605-6A	.015	CPM-R807	1/2"
HD-800-6A, HDT-800-60A	.015	CPM-R807	1/2"
HD-1210, HD-1600	.015	CPM-R807	1/2"
All with 7/8"-18 Heads	.020	CPM-107	5/8"
All with 14mm Heads	.020	CPM-40	3/8"

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NORDBERG (Hatch & Kirk)

Engine Model	Plug Gap	STITT Part No.	Reach
FSE96		Consult STITT Factory

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OILWELL

Engine Model	Plug Gap	STITT Part No.	Reach
All 18mm Heads	.020	CPM-R807	1/2"

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SUPERIOR (Cooper Energy Services)

Engine Model	Plug Gap	STITT Part No.	Reach
6G510, 6G825, 8G825	.020	CPM-R807	1/2"
12G825, 16G825	.020	CPM-R807	1/2"
6GT510, 6GTL, 80G6, 80GX6	.020	CPM-R807	1/2"
6GX825, 6GT825, 8GT825	.020	CPM-R807	1/2"
8GTL, 80G8, 80GX8, 8GX825	.020	CPM-R807	1/2"
12GT825, 12SGT, 12GTL	.020	CPM-R807	1/2"
16SGT, 16GTL, 16GT825	.020	CPM-R807	1/2"
All GTLA-GTLB Models	.015	CPM-R807NP ***	1/2"
All 7/8"-18 Heads		Consult STITT Factory

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WAUKESHA

Engine Model	Plug Gap	STITT Part No.	Reach
F1197		Consult STITT Factory
F817G (14mm Heads)	.020	CPM-47	3/8"
F817G (18mm Heads)	.020	CPM-887	1/2"
F1905, H2476	.015	CPM-R807	1/2"
H2475G, L37116, L3712	.015	CPM-R807	1/2"
VRG Series Engines
VRG220, VRG330	.020	CPM-R40XL	3/4"
VRG265, VRG283, VRG310	.020	CPM-R40XL	3/4"
VRG155, VRG232	.020	CPM-R807	1/2"
VHP Series Engines
F2895G, F2895GSI	.015	CPM-R807	1/2"
F3521G, F3521GSI	.015	CPM-R807	1/2"
F5108G, F5108GSI	.015	CPM-R807	1/2"
L5790G, L5790GSI	.015	CPM-R807	1/2"
L7042G, L7042GSI	.015	CPM-R807	1/2"
P9390G, P9390GSI	.015	CPM-R807	1/2"
VHP-GL (Pre-Chamber Engines)
2895GL, 3521GL, 5108GL	.010	CPM-R807	1/2"
5790GL, 7042GL, 9390GL	.010	CPM-R807	1/2"
VGF Series Engines
F18G, F18GL	.010	CPM-807LL	.812"
H24G, H24GL	.010	CPM-807LL	.812"
L36G, L36GL	.010	CPM-807LL	.812"
P48GL	.010	CPM-807LL	.812"
VSG Series Engines
F11G, F11GL	.010	CPM-R407XL	3/4"
AT Series Engines
AT25, AT27		Consult STITT Factory
Obsolete Engines
180GKB, 190GLB, 195GK	.020	CPM-R887	1/2"
180GL, 190GL, 195GL, 140GK	.020	CPM-R887	1/2"
140GZ, 185GL, 145GKB, WAK	.020	CPM-R887	1/2"
WAKB, WAKC, NK, NKR, LRO	.020	CPM-R887	1/2"
LRZ, VLRO, BA, BL, MB, BK	.020	CPM-R887	1/2"
CHK, CHS, CR, CSR, CU, DHK	.020	CPM-R887	1/2"
DK, DKR, DR, DU, BK, EL, FC	.020	CPM-R887	1/2"
FCL, FCS, FL, FLS, GAK	.020	CPM-R887	1/2"
130GS, 130GL, 140GZ, 180G	.020	CPM-R887	1/2"
MK, ML, MS, MZA, SRK, RBR	.020	CPM-R887	1/2"
F2894G, F2894GSI, F3520G	.015	CPM-R807	1/2"
L7040G, L5100G, L5788G	.015	CPM-R807	1/2"
H1077G, L1616G, P2154G	.020	CPM-R40XL	3/4"

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WORTHINGTON

Engine Model	Plug Gap	STITT Part No.	Reach
UTC, SUTC, ML, MLV		Consult STITT Factory
SEH, SLHC, SLHCA, SLHP		Consult STITT Factory
SLDHG, SDHP		Consult STITT Factory
LTC, CG, CCG, DG, DDG		Consult STITT Factory
EEG, LFC, LCE, SDHG		Consult STITT Factory
Horizontal, All Models		Consult STITT Factory

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*** Anti-Galling Surface Finish