Caterpillar Serial Numbers, Prefix Identification

Caterpillar Serial Number Prefix Identification
GENERATOR			ENGINE – INDUSTRIAL			ENGINE & TRANS – MARINE		ENGINE – TRUCK
Prefix	Model		Prefix	Model		Prefix	Model	Prefix	Model
15B	D386 GEN SET ENGINE		304	3054E INDUSTRIAL ENGINE		01Z	3208 MARINE ENGINE	02Z	3208 TRUCK ENGINE
1DG	3306B GEN SET ENGINE		311	3011C INDUSTRIAL ENGINE		05B	3304 MARINE ENGINE	1AJ	3126B TRUCK ENGINE
1DG	3306BH GEN SET ENGINE		313	3013C INDUSTRIAL ENGINE		05B	D330C MARINE ENGINE	1BW	3126 TRUCK ENGINE
1LS	3406C GEN SET ENGINE		334	3054C INDUSTRIAL ENGINE		05V	D315 MARINE ENGINE	1LW	3406E TRUCK ENGINE
1NJ	3116 GEN SET ENGINE		344	3044C INDUSTRIAL ENGINE		13E	3304 MARINE ENGINE	1MM	3406E TRUCK ENGINE
1NW	3516B GEN SET ENGINE		356	3056E INDUSTRIAL ENGINE		13E	3304B MARINE ENGINE	1WM	3126 TRUCK ENGINE
1PD	3616 GENERATOR SET		424	3024C INDUSTRIAL ENGINE		17W	7231 MARINE TRANSMISSION	1YN	C-12 TRUCK ENGINE
1WF	SR4 GENERATOR		444	C4.4 INDUSTRIAL ENGINE		1FN	3616 MARINE ENGINE	28V	3408 TRUCK ENGINE
1YF	3304B GEN SET ENGINE		666	C6.6 INDUSTRIAL ENGINE		1LG	3408B MARINE ENGINE	28V	3408B TRUCK ENGINE
1ZF	3508 GEN SET ENGINE		714	HT400 PUMPER		1NS	3304B MARINE ENGINE	2AZ	3306C TRUCK ENGINE
23Z	3508 GEN SET ENGINE		715	SPP101 PUMPER		1PD	3616 MARINE ENGINE	2BK	3116 TRUCK ENGINE
24Z	3512 GEN SET ENGINE		01T	D3400 INDUSTRIAL ENGINE		1PS	3304B MARINE ENGINE	2CW	3116 TRUCK ENGINE
25Z	3516 GEN SET ENGINE		02B	3304 INDUSTRIAL ENGINE		1PW	3512B MARINE ENGINE	2EK	3406B TRUCK ENGINE
29A	3208 GEN SET ENGINE		02B	D330C INDUSTRIAL ENGINE		1RS	3306B MARINE ENGINE	2FR	3116 TRUCK ENGINE
2AJ	3306B GEN SET ENGINE		03Z	3208 INDUSTRIAL ENGINE		1SK	3116 MARINE ENGINE	2KS	C-12 TRUCK ENGINE
2AM	3406C GEN SET ENGINE		04B	3304 INDUSTRIAL ENGINE		1SS	3406C MARINE ENGINE	2PN	C-10 TRUCK ENGINE
2BG	3408B GEN SET ENGINE		04B	D330C INDUSTRIAL ENGINE		1TS	3408C MARINE ENGINE	2WS	3406E TRUCK ENGINE
2ED	SR4 GENERATOR		04H	D13000 INDUSTRIAL ENGINE		1TW	3508B MARINE ENGINE	2YG	3176 TRUCK ENGINE
2HG	3208 GEN SET ENGINE		05E	D13000 INDUSTRIAL ENGINE		1YB	7211 MARINE TRANSMISSION	32Y	3208 TRUCK ENGINE
2HW	3508B GEN SET ENGINE		07Y	G3306 GAS ENGINE		1ZB	7221 MARINE TRANSMISSION	36B	1140 TRUCK ENGINE
2JW	3516B GEN SET ENGINE		09A	D333C INDUSTRIAL ENGINE		1ZD	3608 MARINE ENGINE	3CS	C-10 TRUCK ENGINE
2KK	3304B GEN SET ENGINE		10E	3304 INDUSTRIAL ENGINE		1ZJ	3126 MARINE ENGINE	3KS	3306C TRUCK ENGINE
2PW	3054 GEN SET ENGINE		1BM	3306B INDUSTRIAL ENGINE		20B	D364 MARINE ENGINE	3RJ	3116 TRUCK ENGINE
2SG	3116 GEN SET ENGINE		1DW	3196 INDUSTRIAL ENGINE		23B	D337 MARINE ENGINE	3ZJ	3406B TRUCK ENGINE
2TJ	G3508 GEN SET ENGINE		1LM	3512 INDUSTRIAL ENGINE		29Z	3516 MARINE ENGINE	3ZJ	3406C TRUCK ENGINE
2TM	3306B GEN SET ENGINE		1ML	3056 INDUSTRIAL ENGINE		2BM	3508B MARINE ENGINE	40S	3208 TRUCK ENGINE
2TS	3516 GEN SET ENGINE		1PD	3616 INDUSTRIAL ENGINE		2EZ	3512B MARINE ENGINE	4CK	3406B TRUCK ENGINE
2WB	3406B GEN SET ENGINE		1PD	3616 LOCOMOTIVE ENGINE		2FW	3516B MARINE ENGINE	4CK	3406C TRUCK ENGINE
2WD	SR4 GENERATOR		1RG	3304 GAS ENGINE		2GW	3512B MARINE ENGINE	4DL	G3306 TRUCK ENGINE
2WJ	3412 GEN SET ENGINE		1RG	G3304 GAS ENGINE		2MW	3618 MARINE ENGINE	4ES	3126 TRUCK ENGINE
2ZC	3306 GEN SET ENGINE		1RK	3406 GAS ENGINE		2PB	7271 MARINE TRANSMISSION	4MG	3406B TRUCK ENGINE
30A	3208 GEN SET ENGINE		1RK	G3406 GAS ENGINE		2RD	3512B MARINE ENGINE	51Z	3208 TRUCK ENGINE
34Z	D379B GEN SET ENGINE		1WZ	CPT372 PUMPER		2TD	3516B MARINE ENGINE	54B	1676 TRUCK ENGINE
35Z	D398B GEN SET ENGINE		1YG	G3612 GAS ENGINE		2XR	3196 MARINE ENGINE	56K	7155 TRANSMISSION
36Z	D399 GEN SET ENGINE		1ZG	3114 INDUSTRIAL ENGINE		32B	D342 MARINE ENGINE	57V	1160 TRUCK ENGINE
3EF	SR4 GENERATOR		23C	3306 INDUSTRIAL ENGINE		32B	D342C MARINE ENGINE	5CD	3208 TRUCK ENGINE
3GW	3056 GEN SET ENGINE		23C	D333C INDUSTRIAL ENGINE		33B	D343 MARINE ENGINE	5DS	3406E TRUCK ENGINE
3JS	3516 GEN SET ENGINE		27Z	3516 INDUSTRIAL ENGINE		36W	7271 MARINE TRANSMISSION	5EK	3406E TRUCK ENGINE
3LS	3508B GEN SET ENGINE		28Z	3516 VEHICULAR ENGINE		38B	D337F MARINE ENGINE	5GL	3126B TRUCK ENGINE
3MS	3512 GEN SET ENGINE		2AF	3512 INDUSTRIAL ENGINE		38J	D348 MARINE ENGINE	5JZ	3116 TRUCK ENGINE
3NS	3516B GEN SET ENGINE		2AW	3176C INDUSTRIAL ENGINE		39E	7241 MARINE TRANSMISSION	5KD	3306B TRUCK ENGINE
3RG	3306B GEN SET ENGINE		2JF	G3508 GAS ENGINE		3CW	3516B MARINE ENGINE	5KJ	3406B TRUCK ENGINE
3TC	3304 GEN SET ENGINE		2LZ	SPS342 PUMPER		3DM	3508B MARINE ENGINE	5KJ	3406C TRUCK ENGINE
3TC	3304B GEN SET ENGINE		2MR	3116 INDUSTRIAL ENGINE		3DW	3508B MARINE ENGINE	5RM	3116 TRUCK ENGINE
3WF	SR4 GENERATOR		2MZ	3406C INDUSTRIAL ENGINE		3GS	3126B MARINE ENGINE	5XN	3176 TRUCK ENGINE
3YF	3512 GEN SET ENGINE		2TB	3204 INDUSTRIAL ENGINE		3HM	3508 MARINE ENGINE	5YG	3406B TRUCK ENGINE
4AW	3512B GEN SET ENGINE		2WG	3116 INDUSTRIAL ENGINE		3JK	3412 MARINE ENGINE	5YL	3114 TRUCK ENGINE
4BM	3406C GEN SET ENGINE		2WK	3512 LOCOMOTIVE ENGINE		3PS	3508 MARINE ENGINE	62W	3208 TRUCK ENGINE
4BZ	3412C GENERATOR SET		30Z	5650 INDUSTRIAL ENGINE		3RS	3512 MARINE ENGINE	63Z	3306 TRUCK ENGINE
4DR	3512 GEN SET ENGINE		31B	D342 INDUSTRIAL ENGINE		3SS	3516 MARINE ENGINE	63Z	3306B TRUCK ENGINE
4GM	3508B GEN SET ENGINE		32R	D349 VEHICULAR ENGINE		3TS	3508 MARINE ENGINE	65B	1693 TRUCK ENGINE
4JK	3406B GEN SET ENGINE		35B	D399 INDUSTRIAL ENGINE		3WS	3512 MARINE ENGINE	69D	1673C TRUCK ENGINE
4JK	3406C GEN SET ENGINE		36J	D348 INDUSTRIAL ENGINE		3XS	3516B MARINE ENGINE	69D	3306 TRUCK ENGINE
4MD	SR4 GENERATOR		37Y	3304 GAS ENGINE		40B	D326F MARINE ENGINE	6NR	3054 TRUCK ENGINE
4PC	3304 GEN SET ENGINE		37Y	G3304 GAS ENGINE		40J	D346 MARINE ENGINE	6NZ	C-15 TRUCK ENGINE
4PM	3406B GEN SET ENGINE		38S	3412 INDUSTRIAL ENGINE		42B	D397D MARINE ENGINE	6PZ	3126 TRUCK ENGINE
4RG	3406B GEN SET ENGINE		39J	D346 INDUSTRIAL ENGINE		44B	D375D MARINE ENGINE	6RW	3126 TRUCK ENGINE
4RG	3406C GEN SET ENGINE		3CF	3306 GAS ENGINE		47B	D353C MARINE ENGINE	6TS	3406E TRUCK ENGINE
4XF	3516 GEN SET ENGINE		3CF	G3306 GAS ENGINE		47B	D353D MARINE ENGINE	70B	1673 TRUCK ENGINE
4ZK	3054 GEN SET ENGINE		3CZ	SPT342 PUMPER		47B	D353E MARINE ENGINE	72S	7155 TRANSMISSION
4ZR	3406C GEN SET ENGINE		3ER	3406C INDUSTRIAL ENGINE		4BW	3516B MARINE ENGINE	74B	1673 TRUCK ENGINE
57V	3160 GEN SET ENGINE		3LW	3456 INDUSTRIAL ENGINE		4EZ	3126 MARINE ENGINE	76R	1673C TRUCK ENGINE
5AW	3512B GEN SET ENGINE	3LZ	3176B INDUSTRIAL ENGINE	4GB	7251 MARINE TRANSMISSION	76R	3306 TRUCK ENGINE
5CK	SR4 GENERATOR	3NK	G3412 GAS ENGINE	4KG	3116 MARINE ENGINE	78B	1673B TRUCK ENGINE
5FL	PM3412 POWER MODULE	3NL	3176B INDUSTRIAL ENGINE	4MJ	3516 MARINE ENGINE	7AG	3116 TRUCK ENGINE
5JC	3306 GEN SET ENGINE	3PC	3204 INDUSTRIAL ENGINE	4TB	3406B MARINE ENGINE	7AS	3126B TRUCK ENGINE
5JC	3306B GEN SET ENGINE	3RC	G3516 GAS ENGINE	4TN	3512B MARINE ENGINE	7CZ	C-16 TRUCK ENGINE
5JG	3114 GEN SET ENGINE	3TR	3126 INDUSTRIAL ENGINE	50B	D342C MARINE ENGINE	7FB	3406B TRUCK ENGINE
5KW	3508B GENERATOR SET	3WR	G3408C INDUSTRIAL ENGINE	50Y	3512 MARINE ENGINE	7HJ	3116 TRUCK ENGINE
5PG	3608 GEN SET-MILITARY	3XF	G3606 GAS ENGINE	54E	3181 MARINE GEAR	7HS	3116 TRUCK ENGINE
5PW	3508 GENERATOR SET	3ZG	3003 INDUSTRIAL ENGINE	57B	D330A MARINE ENGINE	7JL	3116 TRUCK ENGINE
5SJ	3516 GEN SET ENGINE	3ZW	3512B LOCOMOTIVE ENGINE	57V	3160 MARINE ENGINE	7JZ	3126 TRUCK ENGINE
5TD	SR4 GENERATOR	46B	D353C INDUSTRIAL ENGINE	59B	D333A MARINE ENGINE	7LG	3176 TRUCK ENGINE
5UA	SR4 GENERATOR	46B	D353D INDUSTRIAL ENGINE	5MJ	3516 MARINE ENGINE	7LZ	3126 TRUCK ENGINE
5WA	SR4 GENERATOR	46B	D353E INDUSTRIAL ENGINE	60B	D336 MARINE ENGINE	7RJ	3306C TRUCK ENGINE
5XA	SR4 GENERATOR	49B	D342C INDUSTRIAL ENGINE	60M	3412 MARINE ENGINE	7SF	3116 TRUCK ENGINE
5XM	3508 GEN SET ENGINE	49C	G399 GAS ENGINE	62P	D349 MARINE ENGINE	7XC	3406B TRUCK ENGINE
5YF	3208 GEN SET ENGINE	49Y	3512 INDUSTRIAL ENGINE	66X	7211 MARINE TRANSMISSION	83B	1673 TRUCK ENGINE
65P	3145 GEN SET ENGINE	4CG	G3616 GAS ENGINE	66Z	3512 MARINE ENGINE	88V	3150 TRUCK ENGINE
66P	3150 GEN SET ENGINE	4CR	3412E INDUSTRIAL ENGINE	67B	D398A MARINE ENGINE	89V	1145 TRUCK ENGINE
67P	3160 GEN SET ENGINE	4EK	G3516 GAS ENGINE	67B	D398B MARINE ENGINE	8HW	3126 TRUCK ENGINE
67Z	3512 GEN SET ENGINE	4FD	3406 GAS ENGINE	67D	3306 MARINE ENGINE	8PN	3406C TRUCK ENGINE
6AF	3114 GEN SET ENGINE	4FD	G3406 GAS ENGINE	67D	D333C MARINE ENGINE	8SB	3406 TRUCK ENGINE
6GA	SR4 GENERATOR	4GF	3014 INDUSTRIAL ENGINE	69B	D379A MARINE ENGINE	8SZ	3126 TRUCK ENGINE
6GF	SR4 GENERATOR	4KC	3512 GAS ENGINE	69B	D379B MARINE ENGINE	8TC	3406B TRUCK ENGINE
Caterpillar Serial Number Prefix Identification
GENERATOR			ENGINE – INDUSTRIAL			ENGINE & TRANS – MARINE		ENGINE – TRUCK
6GW	3512B GENERATOR SET		4KC	G3512 GAS ENGINE		69Z	3508 MARINE ENGINE	8WL	3116 TRUCK ENGINE
6HA	SR4 GENERATOR		4KR	3114 INDUSTRIAL ENGINE		6BW	3176C MARINE ENGINE	8YF	C-12 TRUCK ENGINE
6HN	3516B GEN SET ENGINE		4PG	3116 INDUSTRIAL ENGINE		6LB	7261 MARINE TRANSMISSION	8YL	3126B TRUCK ENGINE
6JA	SR4 GENERATOR		4RF	3024 INDUSTRIAL ENGINE		6MC	3608 MARINE ENGINE	8YS	C-10 TRUCK ENGINE
6LA	SR4 GENERATOR		4TZ	SCT673 PUMPER		6MK	3126 MARINE ENGINE	92U	3406 TRUCK ENGINE
6MA	SR4 GENERATOR		4WB	3306 INDUSTRIAL ENGINE		6SR	3126 MARINE ENGINE	94B	1674 TRUCK ENGINE
6MC	3608 GENERATOR SET		4WD	G3508 GAS ENGINE		72Z	3516 MARINE ENGINE	95B	1160 TRUCK ENGINE
6PK	SR4 GENERATOR		4WF	G3608 GAS ENGINE		74E	3192 MARINE GEAR	96B	1150 TRUCK ENGINE
6PM	3512 GEN SET ENGINE		4XB	3304B INDUSTRIAL ENGINE		74E	7251 MARINE GEAR	97B	1145 TRUCK ENGINE
6PN	3508B GEN SET ENGINE		4XD	3013 INDUSTRIAL ENGINE		75V	3208 MARINE ENGINE	9CJ	3116 TRUCK ENGINE
6SA	SR4 GENERATOR		4ZS	G3606B INDUSTRIAL ENGINE		7BL	3412 MARINE ENGINE	9CK	3176B TRUCK ENGINE
6WN	3512B GEN SET ENGINE		51Y	3512 VEHICULAR ENGINE		7HG	3412 MARINE ENGINE	9DG	C9 TRUCK ENGINE
6WW	3512 GENERATOR SET		57K	D348 VEHICULAR ENGINE		7HM	3512B MARINE ENGINE	9GK	3116 TRUCK ENGINE
6YA	GE GENERATOR		57V	3160 INDUSTRIAL ENGINE		7SM	3508B MARINE ENGINE	9LL	3114 TRUCK ENGINE
6YB	3304 GEN SET ENGINE		5AA	SR4 GENERATOR		80B	D333B MARINE ENGINE	9LN	3116 TRUCK ENGINE
70Z	3508 GEN SET ENGINE		5BA	SR4 GENERATOR		82B	D330B MARINE ENGINE	9NS	C-12 TRUCK ENGINE
73Z	3516 GEN SET ENGINE		5CA	SR4 GENERATOR		84Z	3306 MARINE ENGINE	9NZ	C-15 TRUCK ENGINE
75Z	3406 GEN SET ENGINE		5DA	SR4 GENERATOR		84Z	3306B MARINE ENGINE	9SM	C-12 TRUCK ENGINE
78Z	3408 GEN SET ENGINE		5DZ	3176C INDUSTRIAL ENGINE		86B	D330A MARINE ENGINE	9SZ	3126E TRUCK ENGINE
78Z	3408B GEN SET ENGINE		5EA	SR4 GENERATOR		88B	D333A MARINE ENGINE	9TL	3306C TRUCK ENGINE
78Z	3408C GEN SET ENGINE		5EF	3114 INDUSTRIAL ENGINE		89B	7261 MARINE TRANSMISSION	9YN	3116 TRUCK ENGINE
7AK	3056 GEN SET ENGINE		5EN	3116 INDUSTRIAL ENGINE		8CN	3516B MARINE ENGINE	AKB	C-10 TRUCK ENGINE
7BF	SR4 GENERATOR		5FA	SR4 GENERATOR		8EM	3512B MARINE ENGINE	ALS	C-12 TRUCK ENGINE
7EZ	G3516B GEN SET ENGINE		5GA	SR4 GENERATOR		8KN	3516B MARINE ENGINE	B5R	C15 TRUCK ENGINE
7HB	3306 GEN SET ENGINE		5GZ	3306B INDUSTRIAL ENGINE		8LL	3608 MARINE ENGINE	BKD	3126B TRUCK ENGINE
7KF	3306 GEN SET ENGINE		5HA	SR4 GENERATOR		8NM	3126 MARINE ENGINE	BXS	C15 TRUCK ENGINE
7KM	3516 GEN SET ENGINE		5JA	SR4 GENERATOR		8RB	3606 MARINE ENGINE	C7S	C7 TRUCK ENGINE
7RN	3516B GEN SET ENGINE		5JD	G3512 GAS ENGINE		8RG	3408B MARINE ENGINE	C9S	C9 TRUCK ENGINE
7SZ	G3512 GEN SET ENGINE		5JJ	3412E MACHINE ENGINE		8TL	3508 MARINE ENGINE	CJP	C18 TRUCK ENGINE
81Z	3412 GEN SET ENGINE		5KA	SR4 GENERATOR		8XL	3304B MARINE ENGINE	CKM	3126E TRUCK ENGINE
81Z	3412C GEN SET ENGINE		5LA	SR4 GENERATOR		91B	D399 MARINE ENGINE	CKP	C9 TRUCK ENGINE
83Z	3304 GEN SET ENGINE		5MA	SR4 GENERATOR		91U	3406 MARINE ENGINE	CPD	C-12 TRUCK ENGINE
83Z	3304B GEN SET ENGINE		5MF	3054B INDUSTRIAL ENGINE		93B	D334 MARINE ENGINE	CRP	3126E TRUCK ENGINE
85Z	3306 GEN SET ENGINE		5NA	SR4 GENERATOR		96Y	3508 MARINE ENGINE	CSM	3116 TRUCK ENGINE
88V	3150 GEN SET ENGINE		5NW	G3406 INDUSTRIAL ENGINE		98X	7221 MARINE TRANSMISSION	DPF	3126E TRUCK ENGINE
89V	1145 GEN SET ENGINE		5PA	SR4 GENERATOR		99U	3408 MARINE ENGINE	EGH	C-15 TRUCK ENGINE
89V	3145 GEN SET ENGINE		5PN	G3516 GAS ENGINE		99U	3408B MARINE ENGINE	ETK	C9 TRUCK ENGINE
8AZ	3406E GENERATOR SET		5PS	3508B LOCOMOTIVE ENGINE		9AN	3516B MARINE ENGINE	FML	C7 TRUCK ENGINE
8BZ	G3516 GEN SET ENGINE		5RA	SR4 GENERATOR		9BR	3412C MARINE ENGINE	FMM	C7 TRUCK ENGINE
8FD	SR4 GENERATOR		5SA	SR4 GENERATOR		9FR	3612 MARINE ENGINE	G3E	3126E TRUCK ENGINE
8FS	3406C GEN SET ENGINE		5TA	SR4 GENERATOR		9HP	C-12 MARINE ENGINE	HEP	3126E TRUCK ENGINE
8GK	SR4 GENERATOR		5TS	3116 INDUSTRIAL ENGINE		9KS	3412E MARINE ENGINE	JAM	C13 TRUCK ENGINE
8HF	SR4 GENERATOR		5VA	SR4 GENERATOR		9PW	3412E MARINE ENGINE	KAL	C7 TRUCK ENGINE
8JJ	3306B GEN SET ENGINE		5XS	3508B REMAN ENGINE		9RC	3612 MARINE ENGINE	KCA	C11 TRUCK ENGINE
8NS	3306B GENERATOR SET		5XZ	SPT343 PUMPER		9SL	3306B MARINE ENGINE	KCB	C13 TRUCK ENGINE
8NW	3516B GENERATOR SET		5YA	SR4 GENERATOR		9WK	3176B MARINE ENGINE	LBM	C7 TRUCK ENGINE
8RB	3606 GENERATOR SET		5YS	3054 INDUSTRIAL ENGINE		9WN	3508 MARINE ENGINE	LEE	C13 TRUCK ENGINE
8RM	3512B GEN SET ENGINE		5ZA	SR4 GENERATOR		9WR	3406E MARINE ENGINE	LEF	3126B TRUCK ENGINE
8TW	3516 GENERATOR SET		61P	D349 INDUSTRIAL ENGINE		9ZF	3126B MARINE ENGINE	MBJ	C-10 TRUCK ENGINE
9BZ	3456 GEN SET ENGINE		62B	D343 INDUSTRIAL ENGINE		AAG	3512B MARINE ENGINE	MBL	C-12 TRUCK ENGINE
9CF	SR4 GENERATOR		62M	D333C INDUSTRIAL ENGINE		B5G	3516B MARINE ENGINE	MBN	C-15 TRUCK ENGINE
9DS	3306B GEN SET ENGINE		62U	D333C INDUSTRIAL ENGINE		BAG	3508B MARINE ENGINE	MDP	C-18 TRUCK ENGINE
9EP	3412C GENERATOR SET		63B	D320A INDUSTRIAL ENGINE		BRN	3512B MARINE ENGINE	MEP	C-18 TRUCK ENGINE
9ES	3406C GENERATOR SET		64B	G353D GAS ENGINE		C1J	C18 MARINE ENGINE	MHP	C15 TRUCK ENGINE
9HK	3304B GEN SET ENGINE		64Z	3306 INDUSTRIAL ENGINE		C1Z	C12 MARINE ENGINE	MTB	C-9 TRUCK ENGINE
9NN	3406E GEN SET ENGINE		65Z	3512 INDUSTRIAL ENGINE		C7B	C7 MARINE ENGINE	MXS	C15 TRUCK ENGINE
9NR	3306B GEN SET ENGINE		66B	D398 INDUSTRIAL ENGINE		C7D	C7 MARINE ENGINE	NPH	C7 TRUCK ENGINE
9PL	3406B GEN SET ENGINE		66B	D398B INDUSTRIAL ENGINE		C7X	C7 MARINE ENGINE	NXS	C15 TRUCK ENGINE
9RC	3612 GENERATOR SET		66D	3306 INDUSTRIAL ENGINE		C7Z	C7 MARINE ENGINE	SAP	C7 TRUCK ENGINE
9RR	G3412 GEN SET ENGINE		66D	D333C INDUSTRIAL ENGINE		C9A	C9 MARINE ENGINE	SDP	C15 TRUCK ENGINE
B8D	3306B GENERATOR SET		67U	3408 INDUSTRIAL ENGINE		C9B	C9 MARINE ENGINE	SRB	C9 TRUCK ENGINE
B9P	G3520C GENERATOR SET		67U	3408B INDUSTRIAL ENGINE		CBN	3516B MARINE ENGINE	TME	C-12 TRUCK ENGINE
BAK	3412C GEN SET ENGINE		68B	D379 INDUSTRIAL ENGINE		CDE	3516B MARINE ENGINE	W1A	C16 TRUCK ENGINE
BAX	3412C GEN SET ENGINE	68B	D379B INDUSTRIAL ENGINE	CHN	3054 GENERATOR SET	WAX	C7 TRUCK ENGINE
BAZ	G3408C GEN SET ENGINE	68D	G3306 GAS ENGINE	CKH	C18 MARINE ENGINE	YPG	C7 TRUCK ENGINE
BCW	3412C GENERATOR SET	68D	G333C GAS ENGINE	CKS	3056 MARINE ENGINE
BCY	C-12 GEN SET ENGINE	68Z	3508 INDUSTRIAL ENGINE	CLX	C30 MARINE ENGINE
BGA	3456 GEN SET ENGINE	6AA	SR4 GENERATOR	CPP	3034 MARINE ENGINE
BGW	G3520B GEN SET ENGINE	6BA	SR4 GENERATOR	CSH	3054B MARINE ENGINE
BGX	3508 GENERATOR SET	6BR	3406E INDUSTRIAL ENGINE	CSN	C9 MARINE ENGINE
BLF	3512B GENERATOR SET	6CA	SR4 GENERATOR	CYK	3054 MARINE ENGINE
BLM	PM3508 POWER MODULE	6DA	SR4 GENERATOR	CYN	C18 MARINE ENGINE
BMB	3516B GENERATOR SET	6DC	3204 INDUSTRIAL ENGINE	FFG	3512B MARINE ENGINE
BNR	PM3512 POWER MODULE	6EA	SR4 GENERATOR	JAW	C2.2 GENERATOR SET
BPD	PM3516 POWER MODULE	6FA	SR4 GENERATOR	KJT	C18 MARINE ENGINE
BPJ	3516B GENERATOR SET	6FK	3054 INDUSTRIAL ENGINE	L1K	C4.4 GENERATOR SET
BPY	PM3508 POWER MODULE	6FW	G3408 INDUSTRIAL ENGINE	LDL	C280-6 MARINE ENGINE
BRF	PM3512 POWER MODULE	6HZ	3516B LOCOMOTIVE ENGINE	LPD	3508B GENERATOR SET
BRK	3512B GENERATOR SET	6JW	G3512 INDUSTRIAL ENGINE	MGS	C18 GENERATOR SET
C1G	3456 GENERATOR SET	6MC	3608 INDUSTRIAL ENGINE	MKH	3512B MARINE ENGINE
C2G	3406C GENERATOR SET	6MC	3608 LOCOMOTIVE ENGINE	MMC	C4.4 GENERATOR SET
C2T	3456 GENERATOR SET	6MS	3126 INDUSTRIAL ENGINE	MRG	3512B MARINE ENGINE
C3G	3456 GENERATOR SET	6NA	SR4 GENERATOR	NAX	C18 MARINE ENGINE
C4G	3456 GENERATOR SET	6NB	G3408 GAS ENGINE	NAY	C18 MARINE ENGINE
C5E	C15 GENERATOR SET	6PA	SR4 GENERATOR	NDT	C280-8 MARINE ENGINE
C5G	3406C GENERATOR SET	6RA	SR4 GENERATOR	NKB	C280-16 MARINE ENGINE
Caterpillar Serial Number Prefix Identification
GENERATOR			ENGINE – INDUSTRIAL			ENGINE & TRANS – MARINE		ENGINE – TRUCK
C5H	C15 GENERATOR SET		6RJ	3408B GAS ENGINE		NSC	3512B GENERATOR SET
C5L	C15 GENERATOR SET		6RZ	SPF343 PUMPER		NZA	3612 MARINE ENGINE
C6C	C18 GENERATOR SET		6SS	3512B REMAN ENGINE		PAG	3516B MARINE ENGINE
C8G	3406C GENERATOR SET		6TB	3406B INDUSTRIAL ENGINE		PFH	3406C GENERATOR SET
CAC	PM3516 POWER MODULE		6TJ	3508 LOCOMOTIVE ENGINE		PKA	C280-8 MARINE ENGINE
CAH	3456 GENERATOR SET		6WA	SR4 GENERATOR		RDW	C280-12 MARINE ENGINE
CAJ	PM3412 POWER MODULE		6ZA	SR4 GENERATOR		REA	3412D MARINE ENGINE
CAL	3516 GENERATOR SET		6ZM	G3412 GAS ENGINE		RLA	C15 MARINE ENGINE
CAW	3508 GENERATOR SET		70R	3306 INDUSTRIAL ENGINE		RLR	3412C GENERATOR SET
CBX	3456 GENERATOR SET		71B	G342C GAS ENGINE		RMN	3616 MARINE ENGINE
CCB	3456 GENERATOR SET		71Z	3516 INDUSTRIAL ENGINE		RNC	C32 MARINE ENGINE
CEY	G3516B GEN SET ENGINE		72B	G379 GAS ENGINE		RTY	3412C GENERATOR SET
CFD	PMG3516 POWER MODULE		72B	G379A GAS ENGINE		RXB	C32 MARINE ENGINE
CMC	3512B GENERATOR SET		73B	G398 GAS ENGINE		S1M	C4.4 GENERATOR SET
CMD	3516 GENERATOR SET		75B	D398 INDUSTRIAL ENGINE		S2A	3508B MARINE ENGINE
CME	G3516B GENERATOR SET		75B	D398B INDUSTRIAL ENGINE		S2B	3508B MARINE ENGINE
CMJ	3512 GENERATOR SET		76B	D379 INDUSTRIAL ENGINE		S2D	3508B MARINE ENGINE
CNB	3508B GENERATOR SET		76B	D379B INDUSTRIAL ENGINE		S2E	3508B MARINE ENGINE
CNF	3508 GENERATOR SET		77B	D353E INDUSTRIAL ENGINE		S2F	3508B MARINE ENGINE
CNR	G3306 GENERATOR SET		7AF	3508B INDUSTRIAL ENGINE		S2G	3512B MARINE ENGINE
CPA	3516B GENERATOR SET		7DB	G3412 GAS ENGINE		S2H	3512B MARINE ENGINE
CPG	G3516 GENERATOR SET		7DS	3516B REMAN ENGINE		S2J	3512B MARINE ENGINE
CPJ	G3508 GENERATOR SET		7EB	3204 INDUSTRIAL ENGINE		S2K	3512B MARINE ENGINE
CPS	G3508 GENERATOR SET		7EF	3034 INDUSTRIAL ENGINE		S2L	3512B MARINE ENGINE
CPY	G3508 GENERATOR SET		7JB	3306B INDUSTRIAL ENGINE		S2M	3512B MARINE ENGINE
CRN	G3512 GENERATOR SET		7MS	3056 INDUSTRIAL ENGINE		S2N	3512B MARINE ENGINE
CSC	G3516B GENERATOR SET		7NJ	G3512 GAS ENGINE		S2P	3516B MARINE ENGINE
CSP	G3512 GENERATOR SET		7PR	3408E INDUSTRIAL ENGINE		S2R	3516B MARINE ENGINE
CSZ	G3516 GENERATOR SET		7WR	3608 INDUSTRIAL ENGINE		S2S	3516B MARINE ENGINE
CWD	G3520B GENERATOR SET		88V	3150 INDUSTRIAL ENGINE		S2T	3516B MARINE ENGINE
CWW	G3520C GENERATOR SET		8AR	3412C INDUSTRIAL ENGINE		S2W	3516B MARINE ENGINE
CWY	G3520C GENERATOR SET		8DF	3512B INDUSTRIAL ENGINE		S2X	3516B MARINE ENGINE
DED	3304B GENERATOR SET		8LD	G3516 GAS ENGINE		S2Y	3516B MARINE ENGINE
DJN	3412C GENERATOR SET		8LW	G3412 INDUSTRIAL ENGINE		S2Z	3516B MARINE ENGINE
DKE	C18 GENERATOR SET		8PW	G3516 INDUSTRIAL ENGINE		SCB	C280-6 MARINE ENGINE
DWB	C27 GENERATOR SET		8RB	3606 INDUSTRIAL ENGINE		SJB	C9 GENERATOR SET
EFA	3306B GENERATOR SET		8RB	3606 LOCOMOTIVE ENGINE		SNX	3056 GENERATOR SET
EKW	C18 GENERATOR SET		8YR	G3408 INDUSTRIAL ENGINE		TAF	C1.5 GENERATOR SET
EPE	3456 GEN SET ENGINE		8ZD	SR4 GENERATOR		TAG	C2.2 GENERATOR SET
FDE	3512B GENERATOR SET		8ZZ	SPS343 PUMPER		TAK	3516B GENERATOR SET
FDN	3516B GENERATOR SET		90N	3208 INDUSTRIAL ENGINE		TAM	3408C GENERATOR SET
FDR	3512 GENERATOR SET		90U	3406 INDUSTRIAL ENGINE		TCN	3054 GENERATOR SET
FDX	3516B GENERATOR SET		95Y	3508 INDUSTRIAL ENGINE		TDX	C280-16 MARINE ENGINE
G4C	C-18 GENERATOR SET		97N	G343 GAS ENGINE		TSJ	C280-12 MARINE ENGINE
GAR	3516B GENERATOR SET		97Y	3508 VEHICULAR ENGINE		TTA	3508C MARINE ENGINE
GAS	G3516E GENERATOR SET		98M	3160 INDUSTRIAL ENGINE		TTB	3508C MARINE ENGINE
GHJ	3456 GENERATOR SET		98N	D346 VEHICULAR ENGINE		X9X	C9 MARINE ENGINE
GSB	G3516C GENERATOR SET		9AB	SR4 GENERATOR		Z9X	C9 MARINE ENGINE
GZG	G3520E GENERATOR SET		9AW	G3508 INDUSTRIAL ENGINE
GZH	G3520E GENERATOR SET		9ER	3408C INDUSTRIAL ENGINE
GZJ	G3520C GENERATOR SET		9HB	3406 INDUSTRIAL ENGINE
GZK	G3520C GENERATOR SET		9KF	3516 LOCOMOTIVE ENGINE
GZL	G3520C GENERATOR SET		9RC	3612 INDUSTRIAL ENGINE
GZM	G3520C GENERATOR SET		9RC	3612 LOCOMOTIVE ENGINE
GZN	G3520C GENERATOR SET		9TD	3408B INDUSTRIAL ENGINE
GZP	G3520B GENERATOR SET		9TG	G3508 GAS ENGINE
GZR	3516 GENERATOR SET		9WC	3208 INDUSTRIAL ENGINE
GZS	3516B GENERATOR SET		9WF	3516B INDUSTRIAL ENGINE
GZT	3516B GENERATOR SET		9XF	3412 INDUSTRIAL ENGINE
GZX	3516 GENERATOR SET		9XM	3408C INDUSTRIAL ENGINE
GZY	3516B GENERATOR SET		9ZR	3126 INDUSTRIAL ENGINE
GZZ	G3516C GENERATOR SET		B1A	3412C REMAN ENGINE
HAL	G3520E GENERATOR SET		BCK	3516B LOCOMOTIVE ENGINE
HAT	G3520C GENERATOR SET	BCS	3412C INDUSTRIAL ENGINE
JCA	G3306 GENERATOR SET	BCX	C-10 INDUSTRIAL ENGINE
KAP	G3412 GENERATOR SET	BDL	C-12 INDUSTRIAL ENGINE
KAR	G3406 GENERATOR SET	BDT	3412 INDUSTRIAL ENGINE
KPS	3406C GENERATOR SET	BDZ	3126B INDUSTRIAL ENGINE
LEK	3516B GENERATOR SET	BEJ	3126B INDUSTRIAL ENGINE
LRW	3306B GENERATOR SET	BEM	C-15 INDUSTRIAL ENGINE
LRX	3406C GENERATOR SET	BEN	G3608 INDUSTRIAL ENGINE
LRY	3412C GENERATOR SET	BFD	3408B REMAN ENGINE
MAD	G3520C GENERATOR SET	BFF	3408 REMAN ENGINE
MED	C32 POWER MODULE	BFM	C-16 INDUSTRIAL ENGINE
PBR	3516B GENERATOR SET	BFT	3412E INDUSTRIAL ENGINE
PPS	PP3516 GEN SET ENGINE	BKE	G3612 INDUSTRIAL ENGINE
PTC	3516B GENERATOR SET	BKS	3412 REMAN ENGINE
PTD	3516 GENERATOR SET	BKY	3408E REMAN ENGINE
PTF	3512B GENERATOR SET	BLB	G3616 INDUSTRIAL ENGINE
PTG	3512 GENERATOR SET	BLJ	3412 REMAN ENGINE
PTH	3508C GENERATOR SET	BNF	3412E REMAN ENGINE
PTJ	3508B GENERATOR SET	BPX	3508B INDUSTRIAL ENGINE
PTK	3508C GENERATOR SET	BRC	3512B INDUSTRIAL ENGINE
PTL	3412C GENERATOR SET	BTB	3508B REMAN ENGINE
PTM	3512B GENERATOR SET	BTR	3508B REMAN ENGINE
PTN	3508B GENERATOR SET	BWA	3508B REMAN ENGINE
Caterpillar Serial Number Prefix Identification
GENERATOR			ENGINE – INDUSTRIAL			ENGINE & TRANS – MARINE		ENGINE – TRUCK
R7A	G3412 GENERATOR SET		C1M	C1.6 INDUSTRIAL ENGINE
R7E	G3406 GENERATOR SET		C3M	C1.1 INDUSTRIAL ENGINE
RKT	3516 GENERATOR SET		C4M	C2.2 INDUSTRIAL ENGINE
RMS	3512C GENERATOR SET		C5M	C0.5 INDUSTRIAL ENGINE
SBG	3512C GENERATOR SET		C5N	C1.5 INDUSTRIAL ENGINE
SBJ	3516C GENERATOR SET		C6F	C0.5 INDUSTRIAL ENGINE
SBK	3516C GENERATOR SET		C6H	C0.5 INDUSTRIAL ENGINE
SLY	G3516E GENERATOR SET		C7M	C0.7 INDUSTRIAL ENGINE
SSR	G3512E GENERATOR SET		CAN	3516B INDUSTRIAL ENGINE
STD	C18 GENERATOR SET		CBB	3508B INDUSTRIAL ENGINE
STM	C18 GENERATOR SET		CKK	3126 INDUSTRIAL ENGINE
STR	C27 GENERATOR SET		CLJ	C-9 INDUSTRIAL ENGINE
SXC	C32 GENERATOR SET		CND	3512B REMAN ENGINE
SXY	G3520E GENERATOR SET		CPW	3516B REMAN ENGINE
TFT	3412C GENERATOR SET		CSB	SBF214 PUMPER
TGC	3412 GENERATOR SET		DCD	3126B INDUSTRIAL ENGINE
TJB	G3516C GENERATOR SET		DCS	3126B INDUSTRIAL ENGINE
TJC	G3516C GENERATOR SET		DLA	3408 REMAN ENGINE
WDR	C32 GENERATOR SET		DLR	G3508 GAS ENGINE
X3R	C9 GENERATOR SET		E3J	C3.3 INDUSTRIAL ENGINE
X4R	C15 GENERATOR SET		ECP	3408E REMAN ENGINE
X6X	C18 POWER MODULE		EJG	C18 INDUSTRIAL ENGINE
ZAB	3508 GEN SET ENGINE		G1P	3011C INDUSTRIAL ENGINE
ZAD	3508B GEN SET ENGINE		G3P	3013C INDUSTRIAL ENGINE
ZAF	3512 GEN SET ENGINE		G4P	3024C INDUSTRIAL ENGINE
ZAH	3512B GEN SET ENGINE		G6X	G3306 INDUSTRIAL ENGINE
ZAJ	3512B GEN SET ENGINE		G7M	C2.2 INDUSTRIAL ENGINE
ZAL	3516 GEN SET ENGINE		G7N	C1.5 INDUSTRIAL ENGINE
ZAP	3516B GENERATOR SET		G8M	C1.1 INDUSTRIAL ENGINE
ZAR	3516B GENERATOR SET		GET	G3520B INDUSTRIAL ENGINE
ZAZ	G3516 GENERATOR SET		GLS	C11 INDUSTRIAL ENGINE
ZBA	G3516 GENERATOR SET		GNS	G3512 GAS ENGINE
ZBB	G3516B GENERATOR SET		JAS	C15 INDUSTRIAL ENGINE
ZBC	G3516B GENERATOR SET		JLW	C9 INDUSTRIAL ENGINE
			JRA	C7 INDUSTRIAL ENGINE
			JRE	C15 INDUSTRIAL ENGINE
			JSC	C9 INDUSTRIAL ENGINE
			JTF	C7 INDUSTRIAL ENGINE
			KAM	3508B REMAN ENGINE
			KDK	3516B REMAN ENGINE
			KNS	3516B REMAN ENGINE
			LGK	C13 INDUSTRIAL ENGINE
			LLA	3512C PETROLEUM ENGINE
			LLB	3512C PETROLEUM ENGINE
			LLC	3508C PETROLEUM ENGINE
			LLE	3508C PETROLEUM ENGINE
			LLF	3512C PETROLEUM ENGINE
			LTF	SUF557 PUMPER
			MBD	C9 INDUSTRIAL ENGINE
			MSK	3516B REMAN ENGINE
			MSX	3516B REMAN ENGINE
			N4F	G3304 INDUSTRIAL ENGINE
			NPM	3512B REMAN ENGINE
			PES	3516C PETROLEUM ENGINE
			PWG	3512B INDUSTRIAL ENGINE
			R1A	3512C PETROLEUM ENGINE
			RTX	SPF343C PUMPER
			SDW	3512B REMAN ENGINE
			SMP	C32 PETROLEUM ENGINE
			T2X	3516C LOCOMOTIVE ENGINE
			TLD	C32 INDUSTRIAL ENGINE
			TWM	C27 INDUSTRIAL ENGINE
			WJH	C18 INDUSTRIAL ENGINE
		WPM	G3508 GAS ENGINE
		WPN	G3508 GAS ENGINE
		WPP	G3512 GAS ENGINE
		WPR	G3512 GAS ENGINE
		WPS	G3516 GAS ENGINE
		WPT	G3516 GAS ENGINE
		WPW	G3516 GAS ENGINE
		Z2A	3126B PETROLEUM ENGINE
		Z2B	C-10 INDUSTRIAL ENGINE
		Z2C	C-15 PETROLEUM ENGINE
		Z2D	3412E PETROLEUM ENGINE
		ZYD	3616 LOCOMOTIVE ENGINE

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