Cummins Marine Diesel Performance Curves

Understanding your Cummins Marine engine performance curve can help you improve performance without wasting precious fuel. Every engine has a unique set of performance curves, so it’s important to make sure you have the correct curves, including the proper Horse Power, CPL designation and rating classification.

Type	File Name	Horsepower	Rated RPM	CPL	Rating	Curve Date	Curve Number	Size

pdf	4BTA	250	3000	2197	HO	Aug 04	M 90231	125.6k
pdf	4BT	150	2800	0741	INT	May 99	M 90196	101.1k
pdf	4B	64	2200	0591	CONT	May 99	M 9101	62.1k
pdf	4B	76	2500	0591	MCD	May 99	M 9009 C	97k
pdf	4B	80	2800	0721	INT	May 99	M 9114	97.4k
pdf	6BTA (JWAC)	220	2500	2205	MCD	Mar 97	FR 90214	135.1k
pdf	6BTA (JWAC)	225	2500	2205	MCD	Apr 01	M 90815	66k
pdf	6BTA (JWAC)	260	2600	2956	INT	Nov 00	M 90807	92k
pdf	6BTA (JWAC)	270	2600	2956	HO	Nov 00	M 90806	91.5k
pdf	6BTA (JWAC)	270	2600	2956	HO	Sept 00	M 90806	54.7k
pdf	6BTA	250	2600	1613	MCD	May 99	M 9720	63.3k
pdf	6BTA	270	2600	2956	HO	May 06	M 90806	187.1k
pdf	6BTA	300	2800	1613	LC	May 95	FR 90214	67.1k
pdf	6BTA	300	2800	1613	LD	May 95	M 9647 D	67.1k
pdf	6BTA	330	2800	1975	HO	Nov 00	M 90208	52.9k
pdf	6BTA	370	3000	2208	HO	Dec 00	M 90034	53k
pdf	6BTA	370	3000	8457	HO	Aug 03	M 91260	131.7k
pdf	6BT	180	2500	2891	MCD	Aug 04	M 09762	100.7k
pdf	6BT	180	2500	2891	MCD	Nov 00	M 90762	65.6k
pdf	6BT	210	2600	2891	INT	Nov 00	M 90761	65.8k
pdf	6BT	220	2600	8206	HO	Aug 04	M 90760	125.1k
pdf	6B	120	2800	0791	INT	May 99	M 9152	98.3k
pdf	6CTA (JWAC)	255	1800	2833	CON	Aug 04	M 90726	84.4k
pdf	6CTA 480CE	480	2600	2960	HO	Oct 02	M 90821	115.5k
pdf	6CTA M2	420	2600	1929	HO	Apr 94	M 90008	52.9k
pdf	6CTA	350	2500	2172	INT	Jul 99	M 90216	61.4k
pdf	6CTA	350	2500	8089	INT	Aug 04	M 90216	91.9k
pdf	6CTA	430	2600	2172	HO	Dec 00	M 90215	20.2k
pdf	6CTA	430	2600	2172	INT	M 90413		19.3k
pdf	6CTA	430	2600	8089	INT	Apr 01	M 90413	19.2k
pdf	6CTA	430	2600	8089	INT	Aug 04	M 90413	90k
pdf	KTA 19 M4	700	2100	2356	MCD	Mar 02	M 4278	86k
pdf	KTA 19	600	1800	4150	CD	Jun 03	M 4197	127.9k
pdf	KTA 19	640	1800	4150	HD	Jun 03	M 4223	129.6k
pdf	KTA 38	900	1600	2915	CON	Apr 01	M 6218	71.9k
pdf	KTA 38	1100	1800	2915	HD	Dec 04	M 6216	294.1k
pdf	N14	360	1800	2861	CON	Nov 99	M 10171	42.9k
pdf	QSB 5 9	230	2600	8464	HD	May 10	M 91367	43.5k
pdf	QSB 5 9	230	2600	8464	HO	May 10	M 91370	43.5k
pdf	QSB 5 9	230	3000	8464	HO	May 10	M 92033	42.9k
pdf	QSB 5 9	230	3000	8464	INT	May 10	M 92009	42.9k
pdf	QSB 5 9	305	2600	8464	HO	May 10	M 91369	43.2k
pdf	QSB 5 9	305	2600	8464	MCD	May 10	M 91365	44.1k
pdf	QSB 5 9	330	2800	8464	HO	May 10	M 91366	43.5k
pdf	QSB 5 9	355	2800	8464	HO	May 10	M 91368	47.9k
pdf	QSB 5 9	355	2800	8464	INT	May 10	M 91298	43.4k
pdf	QSB 5 9	380	3000	8464	HO	May 10	M 91364	42.9k
pdf	QSB 5 9	425	3000	1860	HO	May 10	M 93262	78k
pdf	QSB 5 9	425	3000	1860	INT	May 10	M 93263	47.7k
pdf	QSB 5 9	425	3000	8732	HO	May 10	M 91632	43k
pdf	QSB 5 9	440	3400	1860	HO	May 10	M 92284	43k
pdf	QSB 5 9	480	3400	1860	HO	May 10	M 92132	42.8k
pdf	QSB 6 7 Performance Curve & CPL's							290.5k
pdf	QSB 6 7 SL	425	3000	4699	INT	Jan 2019	M 96426	84.6k
pdf	QSB 6 7	230	3000	3887	INT	May 13	M 94135	76.7k
pdf	QSB 6 7	250	2600	3887	HD	Feb 2019	M 93960	81k
pdf	QSB 6 7	250	2600	3887	HD	May 13	M 93960	76.5k
pdf	QSB 6 7	250	2600	3887	HD KC	Aug 13	M 93962	96.6k
pdf	QSB 6 7	250	2600	3887	HOMay 13	M 93858		78.4k
pdf	QSB 6 7	301	2600	3887	MCD	Feb 2019	M 93961	82.6k
pdf	QSB 6 7	305	2600	3887	HO	Apr 13	M 93959	80.7k
pdf	QSB 6 7	305	2600	3887	MD	May 13	M 93961	77.3k
pdf	QSB 6 7	305	2600	3887	MD KC	Aug 13	M 93963	95.5k
pdf	QSB 6 7	350	2800	4191	INT	Nov 2018	M 94375	184.6k
pdf	QSB 6 7	350	3000	HO	Nov 2018	M 94133		190.9k
pdf	QSB 6 7	355	2800	4191	INT	Oct 13	M 94375	82.1k
pdf	QSB 6 7	355	3000	4191	HO	Oct 13	M 94133	84.1k
pdf	QSB 6 7	355	3000	4699	HO	Jul 14	M 94979	203.3k
pdf	QSB 6 7	375	3000	4191	INT	Nov 2018	M 94132	191.3k
pdf	QSB 6 7	380	3000	4191	HO	Oct 13	M 94131	86.1k
pdf	QSB 6 7	380	3000	4191	INT	Oct 13	M 94132	83.9k
pdf	QSB 6 7	380	3000	4699	HO	Jul 14	M 94978	203.9k
pdf	QSB 6 7	425	3000	4191	HO	Oct 13	M 94129	85.9k
pdf	QSB 6 7	425	3000	4191	ID	Sep 15	M 94130	206k
pdf	QSB 6 7	425	3000	4191	INT	Nov 2018	M 94130	191.3k
pdf	QSB 6 7	425	3000	4191	INT	Oct 13	M 94130	83.4k
pdf	QSB 6 7	425	3000	4699	HO	Jul 14	M 94977	203.7k
pdf	QSB 6 7	480	3000	4191	ID	Jan 15	M 95035	203.9k
pdf	QSB 6 7	480	3000	4191	INT	Nov 2018	M 95035	187.4k
pdf	QSB 6 7	480	3300	4191	HO	Oct 13	M 94127	83.8k
pdf	QSB 6 7	480	3300	4191	LD	Nov 2018	M 94128	190.1k
pdf	QSB 6 7	550	3300	4191	HO	May 2019	M 94125	91.6k
pdf	QSB 6 7	550	3300	4191	HO	Oct 13	M 94125	83.6k
pdf	QSB 6 7	550	3300	4191	LD	Jan 2020	M 94126	174.4k
pdf	QSC 8 3	500	2600	0906	HO	May 10	M 92043	42.7k
pdf	QSC 8 3	540	2600	8017	HO	Dec 04	M 90996	88.7k
pdf	QSC 8 3	550	3000	0906	HO	May 10	M 91939	43.4k
pdf	QSC 8 3	600	3000	0906	HO	May 10	M 91937	43k
pdf	QSC 8 3	600	3000	5234	LD	Jun 2021	M 96718	159.6k
pdf	QSL 9 KC	290	1800	4254	CON	Oct 13	M 94510	73.6k
pdf	QSL 9 KC	355	1800	4254	HD	Oct 13	M 94508	72.8k
pdf	QSL 9 KC	410	2100	4254	MCD	Oct 13	M 94349	75.7k
pdf	QSL 9	290	1800	4254	CON	Oct 13	M 94509	72.7k
pdf	QSL 9	355	1800	4254	HD	Oct 13	M 94507	73.3k
pdf	QSL 9	410	2100	4254	HO	Oct 13	M 94505	74.9k
pdf	QSL 9	410	2100	4254	MCD	Oct 13	M 94506	75.4k
pdf	QSL 9	450	2100	4254	MCD	Feb 18	M 96486	72.7k
pdf	QSL9	450	2100	4254	MCD	Mar 2019	M 96486	123.6k
pdf	QSM (WET)	300	1800	8590	CON	May 10	M 20047	43.3k
pdf	QSM (WET)	300	1800	8590	CON	May 10	M 20051	43.3k
pdf	QSM (WET)	355	1800	4334	CON	Oct 16	M 20777	161.3k
pdf	QSM (WET)	355	1800	8590	CON	May 10	M 20046	43.4k
pdf	QSM (WET)	355	1800	8590	HO	May 10	M 20050	43.4k
pdf	QSM (WET)	405	2100	8590	HD	HD May 10	M 20045	43.6k
pdf	QSM (WET)	405	2100	8590	HO	May 10	M 20049	43.6k
pdf	QSM (WET)	455	2100	8590	HO	May 10	M 20048	43.8k
pdf	QSM (WET)	455	2100	8590	MCD	May 10	M 20036	43.8k
pdf	QSM11	705-715	2500	1794	LD	Nov 2018	M 20573	181.8k
pdf	QSM Ratings and CPLs							9.5k
pdf	QSM	535	2300	8364	HO	OCT 31	M 2969	113.5k
pdf	QSM	602	2300	8753	HO	May 10	M 20094	43k
pdf	QSM	602	2300	8753	INT	May 10	M 20105	43.1k
pdf	QSM	636	2300	8753	HO	May 10	M 20107	43.1k
pdf	QSM	661	2300	8753	HO	May 10	M 20093	43k
pdf	QSM	715	2500	1794	HO	May 10	M 20141	42.9k