Oil pressure gauge 0 to 45 PSI
The sending unit needs to have a additional ground wire that grounds sending unit to engine ground and gauge bottom center lug
O ( 1936 - 1946 Early )
800 801 811 820 821 840 841 850 851 860 861 871 881
Cable is steel sheathed
Replacement Tachometer will fit John Deere Tractor 1020 1520 2020 2120 AL30803 Oil pressure gauge 0 toNew replacement counter clockwise Tachometer, will fit John Deere models: 820, 830, 1020, 1520, 1530, 2010, 2020, 2030, 2040, 2240, 2440 (s n 340999 earlier), 2630, 2640 (s n 340999 earlier) All with 8 Speed Transmission. 19 MPH. Industrial Construction models: 300, 300B, 301, 301A, 302, 302A, 400, 401, 401A, 401B, 401C, 401D, All with 8 Speed Transmission. 19 MPH. All with 8 Speed Transmission. 19 MPH Some models listed may not require this