This is a brand aftermarket starter for tractors. This is used on models 1800 Series 4 Cyl 58-60, 1801 Indust/Const, 1811 Indust/Const, 1821 Indust/Const, 1841 Indust/Const, 1871 Indust/Const, 1881 Indust/Const, 2000 Series 4 Cyl 62-64, 2030 4 Cyl, 2031, 2110TR 4 Cyl, 2111, 2120 4 Cyl, 2130, 2131, 4000 Series 4 Cyl 62-64, 4030 4 Cyl 61-62, 4040, 4110TR 4 Cyl 63-64, 4120, 4121, 4130 4 Cyl 63-64, 4131, 4140, 500, 500 Series 4 Cyl, 501, 501 Series 4 Cyl, 541, 600, 600 Series 4 Cyl, 601, 601 Series 4 Cyl, 611, 620, 621, 63-64, 630, 631, 640, 641, 650, 651, 660, 661, 671, 681, 700, 700 Series 4 Cyl, 701, 701 Series 4 Cyl, 740, 741, 771, 800, 800 Series 4 Cyl, 801, 801 Series 4 Cyl, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 900, 900 Series 4 Cyl, 901, 901 Series 4 Cyl, 941, 950, 951, 960, 961, 971, 981, Golden Jubilee, Jubilee, NAA, NAB. This replaces part number C3NF11002CR. Tech. Data:12v, DD, CW rotation. 1CM11350C drive installed. Uses 311006 solenoid. WARNING: Failure to disengage starter drive from flywheel prior to push starting tractor will result in damage to starter drive, starter, and flywheel. Do not spin starter drive by hand. Warranty does not cover bent armature, broken / extended drive. Thanks For Your Business!! 1100-0123D