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Driving multiple engine accessories at once, the Dayco Top Cog® V-Belt transfers rotational force from the crankshaft pulley to accessory components. It runs along the accessory drive system where engine rotation powers devices such as alternators and pumps. Its top-cog construction allows the belt to flex around pulleys during operation. This design helps the belt grip pulley grooves while transmitting rotational force. Consistent belt movement keeps accessory components turning alongside the engine. Built for accessory drive operation, the Dayco 17440 carries engine rotation through the pulley network.
| Top Width | .53 in |
| Effective Length | 44 in |
| Effective Length | 1117.60 mm |
| Outside Circumference | 44.27 in |
| Outside Circumference | 1124.46 mm |
| Angle | 36 Degrees |
| Material | Synthetic Rubber Compound |
| Belt Construction | Bottom Cog |
| Banded Belt | N |
| Color | Black |
| Standards | SAE J636, SAE J637 |
| Minimum Operating Temperature | -37.2 C |
| Maximum Operating Temperature | 79.4 C |
| Minimum Operating Temperature | -35 F |
| Maximum Operating Temperature | 175 F |
| Country of Origin (Primary) | ID |
| Harmonized Tariff Code (Schedule B) | 4010323000 |
| UPC | 00036687108647 |
| Brand | Part Number |
|---|---|
| AC DELCO | 17440, 9440HD |
| ALLIS CHALMERS | 4707726 |
| AMC | 3170298 |
| AMERICAN MOTORS | 3170298 |
| ATLAS | 7440 |
| AUTOCAR | 03-1104980, 03-1106039 |
| Autopar | FB17440 |
| BANDO | B3430, 4440, 3430 |
| BECK ARNLEY | 141-1249 |
| BEHR | 70-133-00-909 |
| BWP-NSI | CT17442 |
| CARQUEST | 9440, 9440HD |
| CARRIER-TRANSICOLD | 50-60198-39 |
| CASE | 06-140, L16621 |
| CATERPILLAR | 061-9508, 1N3743, 1N4224, 619508, 7L2449, 9L4654 |
| CHRYSLER | 3894361, 3894362 |
| CONTINENTAL AG | 17442 |
| CUMMINS | 178508, 178625, 1900540, 200833, 3040298, 550277, S22100, S3212 |
| DETROIT DIESEL | 51216761, 5122846, 5126761, 5133600, 5135884 |
| DIAMOND REO | 3854B1-440 |
| DRIVEWORKS | 44017 |
| DYNACRAFT | D1102-3469 |
| Datsun/Nissan | 11750-14500 |
| Duralast | 17440 |
| FLEXIBLE BUS | 9-4009-151 |
| FORD | C5AE-8620-L, C5TE-8620-E, C5TE-8620-R, C5TE-8A615-D, C5TE-8A615-M, C5TS-8620-T, C5TZ-8620-A, C7SE-8620-A, C8HS-2890-A, C9OE-8620-D, C9PZ-8620-BV, C9PZ-8620-FN, D20E-8620-AJA, D2SE-8620-LA, D2TE-8620-ABA, D2TE-8620-ACA, D2TE-8A615-CA, D7HA-8620-BA, D7HA-8A615-BA, F6HT-8A615-EB, F6HZ-8620-EB, F7HT-8620-YA, F7HZ-8620-FB, SBA-080220043 |
| FREIGHTLINER | GT17442, GTFLN9440 |
| FRESH START | 17440 |
| GATES | 8312, 8603, 9440, 9440HD |
| GATES (Canada) | 13A1120 |
| GOODYEAR | 17440, 17442 |
| GOODYEAR BELTS | 17440 |
| General Motors | 11502353, 15592165, 9433893, SI399 |
| HESSTON | 700709214 |
| INTERNATIONAL/NAVISTAR | 133758-R2, 181492-H1, 352090-C1, 358331-C91, 396829-R1, 398601-C91, 861779-R1, 861779-R11, 861779-R2, 861779-R21 |
| JOHN DEERE | GG020-32180 |
| KAISER | 3172681 |
| KAMADA | 17W440L |
| KUBOTA | 15121-72532, 15601-9701-0, 15601-9701-1 |
| LAZORLITE | L38-1120 |
| MACK | 88GB354P12, 88GB354P15, 88GB439P441, 88GB439P442 |
| MASSEY-FERGUSON | 522063M1, 184526M1 |
| MASTERPRO | 9440 |
| MAZDA | N908-61-1110099, N908-71-1110599, 0750-18-381A, RF01-18-381 |
| MBL THREE STAR | 17440 |
| MERCEDES-BENZ | 002.997.36.92, 005.997.15.92 |
| MERCURY MARINE | 21140-90111, 57-33223 |
| MIGHTY | 17440 |
| MITSUBISHI | 05910-10043, 91702-00300 |
| MITSUBOSHI | MF6430, REMF-1460 |
| MOPAR | B17442, B17442A, BH99 |
| MOTORCRAFT | JC-441, JC-443, JC443 |
| NAPA | 25-11185, 25-9440, 25-9440HD |
| NAPA POWERFIT | 17440 |
| NAVISTAR | FLTBT17440 |
| NISSAN | 11750-14500 |
| Navistar | 133758-R2, 181492-H1, 352090-C1, 358331-C91, 396829-R1, 398601-C91, 861779-R1, 861779-R11, 861779-R2, 861779-R21 |
| OPTIBELT | 12.5X1120 |
| PIRELLI | 17-442 |
| PORSCHE | 999.192.148.50, 900.192.026.50, 999.192.167.50, 999.192.178.50 |
| TELEDYNE | X27019-440 |
| TEREX | 9066024 |
| THERMO KING | 2020B40H91 |
| VALUECRAFT | 17440 |
| VOLKSWAGEN | 075.018.381A |
| VOLVO | 967117, 967186 |
| WHITE | 02-7070546, 02-7122365, 685590, 967244, V1090811, V1090969 |
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For over 100 years, Dayco® has been a world leader in the development, manufacture, and distribution of essential engine drive components for the aftermarket sector. Its catalog covers a wide range of drive system components for various applications, including automotive, truck, construction, agriculture, industrial machinery, and hybrid electric vehicles. For heavy duty trucks and buses, Dayco specializes in serpentine and V-belts, vibration dampers, thermostats, water pumps, expansion tanks, and gaskets. Dayco parts are built with durability in mind, using high-grade materials and tested in compliance with the latest standards set by the automotive industry. These result in parts that are superior in reliability, performance, and service life over the competition.
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