Spec: Unit Type: Alternator, Voltage: 12, Rotation: CW, Amperage: 37, Clock: 12, Pulley Class: V1, Regulator: IR, Fan Type: EF Replaces OEM Numbers: ARROWHEAD: AMO0071, J & N: 400-16022, JOHN DEERE: AR38429, AR38458, AR40420, AR47937, AT21229, TY1427, TY1430, TY24306, TY24307, LESTER: 7356, 7357, MOTOROLA: 10-38, RA12N55-JD6, RA12N55-JD7, RA12NJD453, RA12NJD604, PRESTOLITE: 110-38, 110-39, REMY LIGHT DUTY: 50202, 50221 Compatible With/Replacement For: JOHN DEERE: 1020 1970-1973, 135 1960-1982, 152 1960-1982, 1520 1968-1973, 1530 1974-1975, 180, 202, 2020 1970-1972, 2030 1971-1975, 210C 1985-1992, 2250 1975-1978, 2270 1975-1978, 2280 1975-1985, 2320 1981-1983, 2420 1975-1985, 2440 1976-1982, 2510 1965-1968, 2520 1967-1973, 2630 1974-1975, 2640 1976-1982, 300 1965-1975, 300B 1974-1988, 301 1977-1985, 301A 1977-1985, 302 1974-1981, 3020 1969-1972, 302A 1974-1981, 310 1971-1986, 310A 1971-1986, 310B 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement. 100% New aftermarket Alternator built to meet OEM specifications for John Deere