Caterpillar 9Y0951 Replacement 40 Amp Circuit Breaker

*It Is Up To You To Decide For Sure If This Item Fits Your Machine. If You Need Help, Please Call Or Email Us.*

Fits Caterpillar® Applications:

Asphalt Paver: AP1000 (S/N: 1HD), AP1050 (S/N: 1JG)

Crawler Tractor-Loader-Dozer: 941 (S/N: 70H; 80H), 941B (S/N: 80H), 951B (S/N: 69H; 86J), 951C (S/N: 69H; 86J), 955K (S/N: 85J), 955L (S/N: 13X; 57M; 64J), 977H (S/N: 53A), 977K (S/N: 11K; 46H), 977L (S/N: 14X; 48J; 64X), 983B (S/N: 58X), D10R (S/N: 3KR), D4D (S/N: 07R; 44H; 59J; 60J; 61J; 82J; 83J; 84J), D4E (S/N: 27X; 28X; 29X, 50X; 51X; 52X; 68X; 69X; 70X; 71X; 72X; 76W; 77W), D4E SR (S/N: 2DJ), D5 (S/N: 06R; 12R; 62J; 63J; 93J; 94J; 95J; 96J; 98J), D5B (S/N: 21Y; 22X; 23X; 24X; 25X; 26X; 43X; 44X; 45X; 46X; 47X; 48X; 49X; 8MB), D6C (S/N: 10K; 46J; 47J; 99J), D6D (S/N: 01Y; 03X; 04X; 05X; 06X; 19X; 20X; 30X; 31X; 32X; 33X; 6HC), D6H (S/N: 1FJ; 1KD; 2KD; 2TG; 3ED; 3YG; 3ZF; 4GG; 4LG; 4RC; 4YF; 5HF; 6CF; 6FC; 1PC; 8FC; 8KB; 8YC), D6H II (S/N: 8SK; 9RK), D6H XL (S/N: 8KK; 8ZJ; 9KJ; 9KL), D6H XR (S/N: 1YL; 2BL; 2TL; 5KK; 6CK; 7ZK), D7H (S/N: 2RG; 2SB; 3XG; 4AB; 4FG; 5BF; 5WB; 77Z; 79Z; 80Z; 82Z), D8H (S/N: 36A; 46A), D8N (S/N: 1XJ; 5TJ; 7TK; 9TC), D8R (S/N: 7XM; 9EM), D9E (S/N: 50A)

Dump Truck: 768B (S/N: 79S), 769 (S/N: 99F), 769B (S/N: 99F), 772 (S/N: 80S), 773 (S/N: 63G)

Engine Generator Set: 3208 (S/N: 29A; 30A), 3304 (S/N: 3TC; 4PC; 6YB; 83Z), 3304B (S/N: 3TC; 83Z), 3306 (S/N: 2ZC; 7HB; 85Z), 3306B (S/N: 9NR; B8D), 3406 (S/N: 75Z), 3406B (S/N: 2WB; 9PL), 3406C (S/N: KPS; 1LS; 2WB; 4ZR), 3408 (S/N: 78Z), 3408B (S/N: 78Z), 3408C (S/N: 78Z), 3412 (S/N: 2WJ; 81Z), 3412C (S/N: BAK; BAX; 81Z), 3508 (S/N: CAW; CNF; 1ZF; 5XM; 23Z; 70Z), 3508B (S/N: 3LS), 3512 (S/N: CMJ; FDR; 3MS; 3YF; 6PM; 24Z; 67Z), 3516 (S/N: CAL; CMD; GZR; GZX; JCW; ZAL; 4XF; 5SJ; 25Z; 73Z), 3516B (S/N: 2NS), C27 (S/N: DWB; STR; N1B; T4Z), C32 (S/N: JAZ; JSJ; SXC; TZJ; WDR), D379B (S/N: 34Z), D398B (S/N: 35Z), D399 (S/N: 36Z), G3508 (S/N: CPJ; CPY; E8A), G3512 (S/N: CRN; CSP; E2C; SD5), G3516 (S/N: CPG; CSZ; ZAZ; ZBA; E6R; E6W), G3516B (S/N: CME; CSC; ZBB; ZBC), SR4 (S/N: 2WD; 5CA; 5DA;  5EA; 5FA; 5YA; 5GA; 5HA; 5JA; 5KA; 5LA; 5MA; 5NA; 5PA; 5RA; 5SA; 5TA; 5VA; 5XA; 5ZA; 6AA; 6BA; 6EA; 6FA; 6LA; 6NA; 6PA; 6SA), SR4 (S/N: 2WD; 5CA; 5DA; 5DD; 5EA; 5FA; 5GA; 5HA; 5JA; 5KA; 5LA; 5MA; 5NA; 5PA; 5RA; 5SA; 5TA; 5VA; 5XA; 5YA; 5ZA; 6AA; 6BA; 6EA; 6FA; 6LA; 6NA; 6PA; 6SA; 6TA; 9GF)

Excavator: 225 (S/N: 76U), 225B (S/N: 3YD), 229 (S/N: 1AG), 235 (S/N: 64R; 83X), 235B (S/N: 4ED; 9PC), 245 (S/N: 94L; 95V)

Industrial Engine: 3126 (S/N: CKK), 3208 (S/N: 03Z; 90N), 3304 (S/N: 02B; 04B; 10E), 3304B (S/N: 4XB), 3306 (S/N: 23C; 64Z; 66D), 3306B (S/N: 7JB), 3406 (S/N: 90U), 3406B (S/N: WJA), 3406C (S/N: 3ER; 6TB; 7T2), 3408 (S/N: 67U), 3408B (S/N: 67U), 3408C (S/N: 9ER), 3412 (S/N: 38S), 3412C (S/N: 8AR), 3508 (S/N: LDP; LDW; 68Z; 95Y), 3508B (S/N: LD7), 3512 (S/N: 49Y; 65Z; SR2), 3512B (S/N: BR2), 3516 (S/N: 27Z; 71Z; BR3), D330C (S/N: 02B; 04B), D333C (S/N: 23C; 66D), D343 (S/N: 62B), D346 (S/N: 39J), D348 (S/N: 36J), D349 (S/N: 61P), D353C (S/N: 46B), D353D (S/N: 46B), D353E (S/N: 46B; 77B), D379 (S/N: 68B), D379B (S/N: 68B), D398 (S/N: 66B), D398B (S/N: 66B), D399 (S/N: 35B), G343 (S/N: 97N), G353D (S/N: 64B), G379 (S/N: 72B), G379A (S/N: 72B), G398 (S/N: 73B), G399 (S/N: 49C), G3406 (S/N: 1RK), G3408 (S/N: 6NB), G3408B (S/N: 6RJ), G3412 (S/N: 3NK; 6ZM; 7DB), G3508 (S/N: 2JF; 4WD; 9TG), G3512 (S/N: 4KC; 5JD; 6JW; 7NJ), G3516 (S/N: 3RC; 4EK; 8LD; 8PW) 

Locomotive Engine: 3512B (S/N: PWG; 3ZW; RL4), 3512C (S/N: F2X; RL5), 3516B (S/N: BCK; 6HZ; RL8; RL9; RR5; RR9), 3516C (S/N: F3Z)

Machine Engine: 3208 (S/N: 03Z; 90N), 3304 (S/N: 4XN; 10E), 3306 (S/N: 64Z), 3408 (S/N: 67U), 3412 (S/N: 38S) 

Marine Engine: 3116 (S/N: 1SK), 3126 (S/N: 1ZJ; 8NM), 3304 (S/N: 05B; 13E), 3304B (S/N: 13E), 3306 (S/N: 67D; 84Z), 3306B (S/N: 84Z), 3406 (S/N: 91U), 3406B (S/N: 4TB), 3406C (S/N: 1SS), 3406E (S/N: 9WR), 3408 (S/N: 99U), 3408B (S/N: 99U), 3408C (S/N: 1TS), 3412 (S/N: 5RL; 7HG; 60M), 3508 (S/N: 3HM; 3PS; 9WN; 69Z; 96Y), 3512 (S/N: 3RS; 50Y; 66Z), 3516 (S/N: 3SS; 4MJ; 5MJ; 29Z; 72Z), C15 (S/N: RLA), D330C (S/N: 05B), D333C (S/N: 67D), D346 (S/N: 40J), D348 (S/N: 38J), D349 (S/N: 62P)

Motor Grader: 12G (S/N: 3PL; 26V; 61M), 12H ES (S/N: 2GS; 2LR), 12H NA (S/N: 2WR; 4XM; 8MN), 14G (S/N: 96U), 14H NA (S/N: 7WJ), 16G (S/N: 93U), 16H NA (S/N: 6ZJ), 120G (S/N: 4HD; 87V), 120H (S/N: 2AN), 120H ES (S/N: 6NM; 9YR), 120H NA (S/N: 4MK; 6YN), 130G (S/N: 74V), 135H (S/N: BDJ), 135H NA (S/N: 3YK), 140G (S/N: 5MD; 72V; 81V), 140H ES (S/N: 3AS; 8KM), 140H NA (S/N: 2ZK; 9TN; 9ZN), 143H (S/N: 1AL), 160H ES (S/N: 2HS; 6WM), 160H NA (S/N: 3GM; 9EJ), 163H NA (S/N: 5AK)

Petroleum Engine: 3512 (S/N: LN2; LN3; PE2; PE3), 3512B (S/N: 2AF; WF2), 3512C (S/N: LLB; R1A; WF3), 3516 (S/N: LMC), 3516B (S/N: EDJ)

Pipelayer: 561C (S/N: 92J)

Scraper: 613B (S/N: 38W), 615 (S/N: 46Z), 615C (S/N: 5TF), 621E (S/N: 2PD; 2TF; 6AB), 623E (S/N: 6CB; 6DB; 6YF), 627E (S/N: 6EB; 6GB; 7CG), 631E (S/N: 1AB; 1NB; 3ND), 637E (S/N: 1FB; 1JB)       

Skidder: 518 (S/N: 50S)

Wheel Loader: 910 (S/N: 40Y; 41Y), 920 (S/N: 41J; 62K), 930 (S/N: 41K; 79J), 950 (S/N: 31K; 43J; 81J), 950B (S/N: 31R; 63R), 950E (S/N: 22Z; 63R), 966D (S/N: 94X; 99Y), 966E (S/N: 94X; 99Y)

This Is A Brand New Aftermarket Item.