Caterpillar 9W1491 6N5906 (12V/24V) Replacement Hour Service Meter

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

Supersedes Part Numbers: 3T8323, 6N5906

Diameter: 2 3/16" 

Fits Caterpillar® Applications: 

Articulated Dump Truck: 768B (S/N: 79S), 768C (S/N: 02X)

Crawler-Tractor-Loader-Dozer: 931B (S/N: 25Y; 26Y), 941 (S/N: 70H; 80H), 941B (S/N: 80H), 943 (S/N: 03Y; 04Z; 19Z; 31Y), 951B (S/N: 86J), 951C (S/N: 86J), 953 (S/N: 05Z; 20Z; 44Z; 76Y; 77Y; 78Y), 955K (S/N: 85J), 955L (S/N: 13X; 64J), 963 (S/N: 06Z; 11Z; 18Z; 21Z; 29S; 48Z), 973 (S/N: 26Z; 32Z; 66G; 86G; 90L; 91L), 977L (S/N: 14X; 48J), 983B (S/N: 58X), D3B (S/N: 23Y; 24Y; 28Y; 5MC), D4D (S/N: 82J; 83J; 84J), D4E (S/N: 27X; 28X; 29X; 50X; 51X; 52X; 76W; 77W; 2CB), D4E SR (S/N: 2DJ), D5 (S/N: 06R; 12R; 62J; 63J; 67J; 93J; 94J; 95J; 96J; 98J), D5B (S/N: 21Y; 22X; 23X; 24X; 25X; 26X; 43X; 44X; 45X; 46X; 48X; 49X; 8MB), D5C (S/N: 3MK), D5E (S/N: 9RG), D6C (S/N: 10K; 17R; 26K; 49W; 69J; 69U; 90B; 99J), D6D (S/N: 03X; 04X; 05X; 06X; 19X; 20X; 31X; 33X; 36C; 74W; 75W; 6HC; 7YK; 9FK), D6E (S/N: 2MJ), D6E SR (S/N: 8FJ), D7F (S/N: 93N; 94N), D7G (S/N: 35N; 44W; 45W; 64V; 65V; 72W; 91V; 92V; 3GF; 3ZD; 4YB), D8H (S/N: 36A; 46A), D8K (S/N: 66V; 76V; 77V), D9E (S/N: 49A), D9G (S/N: 66A), D9H (S/N: 12U; 90V; 97V; 98V; 99V)

Dump Truck: 769C (S/N: 01X), 772 (S/N: 11S; 80S), 772B (S/N: 64W), 776 (S/N: 14H), 769 (S/N: 99F), 769B (S/N: 99F), 773 (S/N: 63G), 773B (S/N: 63W), 777 (S/N: 84A)

Excavator: 215 (S/N: 57Y; 95Z), 215B (S/N: 2XC), 225 (S/N: 20S; 51U; 61X; 76U), 235 (S/N: 32K; 64R; 81X; 83X), 245 (S/N: 84X; 94L), 321C (S/N: DAX; KCR; MCF), 325C (S/N: BKH; BKW)

Engine Generator Set: 3208 (S/N: 29A; 30A), 3304 (S/N: 83Z), 3304B (S/N: 83Z), 3306 (S/N: 85Z), 3306B (S/N: 9NR), 3412C (S/N: BAK), SR4 (S/N: 5CA; 5DA; 5EA; 5FA; 5JA; 5KA)

Feller Buncher: FB518 (S/N: 8ZC)

Industrial Engine: 3160 (S/N: 98M), 3208 (S/N: 03Z), (S/N: 02B; 04B; 10E), 3306 (S/N: 64Z; 66D), 3406 (S/N: 90U), 3406C (S/N: 6TB), 3408 (S/N: 67U), 3408B (S/N: 67U), 3412 (S/N: 38S), D330C (S/N: 02B; 04B), D333C (S/N: 66D)

Machine Engine: 3160 (S/N: 98M), 3208 (S/N: 03Z), 3304 (S/N: 10E), 3306 (S/N: 64Z), 3408 (S/N: 67U), 3412 (S/N: 38S)

Marine Engine: 3208 (S/N: 75V), 3304 (S/N: 13E), 3304B (S/N: 13E), 3306 (S/N: 84Z), 3306B (S/N: 1RS; 84Z), 3408 (S/N: 99U), 3408B (S/N: 99U), 3412 (S/N: 60M)

Motor Grader: 12E (S/N: 12F), 12F (S/N: 13K; 33K; 89H), 12G (S/N: 3WC; 61M), 14E (S/N: 12K; 72G), 14G (S/N: 96U), 16G (S/N: 93U), 120 (S/N: 10R; 22R), 120B (S/N: 64U), 120G (S/N: 4HD; 11W; 82V; 87V), 130G (S/N: 7GB; 12W; 74V), 140 (S/N: 11R; 24R), 140G (S/N: 13W; 72V; 81V), 160G (S/N: 4JD)

Pipelayer: 561C (S/N: 92J), 561D (S/N: 54X), 571G (S/N: 5ZD; 16W), 572D (S/N: 21A), 572G (S/N: 8PC; 40U), 583E (S/N: 16A), 583H (S/N: 38A), 583K (S/N: 78V), 594 (S/N: 62H), 594H (S/N: 96V)

Roller/Compactor: 825B (S/N: 43N)

Scraper: 613 (S/N: 71M), 613B (S/N: 38W), 621 (S/N: 2DB), 621B (S/N: 45P; 2GB; 6XB; 7KC; 8HC; 9AC), 623B (S/N: 46P), 627B (S/N: 14S; 15S; 37V; 38V), 631D (S/N: 24W), 633D (S/N: 25W), 637D (S/N: 20W; 22W; 26W; 27W; 4JB), 639D (S/N: 88X; 99X), 641B (S/N: 65K), 650B (S/N: 58K), 651B (S/N: 67K), 657 (S/N: 19G; 53K), 657B (S/N: 47M; 53K; 68K), 660B (S/N: 58K), 666B (S/N: 66K)

Skidder: 518 (S/N: 50S; 55U; 94U; 95U), 518C (S/N: 1CL; 9HJ), 528 (S/N: 96C; 97C), 528B (S/N: 8SJ), 530B (S/N: 5BK)

Wheel Dozer: 824B (S/N: 36H)

Wheel Loader: 910 (S/N: 40Y; 41Y), 920 (S/N: 41J; 62K; 75J), 930 (S/N: 41K; 73U; 79J; 8CB), 950 (S/N: 81J), 966C (S/N: 18B; 25U; 76J), 992 (S/N: 25K), 992B (S/N: 25K), 992C (S/N: 42X)

This Is A Brand New Aftermarket Item.