Alternator – Fits Denso Style (12188) Fits John Deere 430 4010 AM877740

One New Aftermarket Replacement Alternator Fits John Deere (Fits JD) Tractors, Mowers, and Fits Gator Utility Vehicles

This Fits Denso-style (unit type 12188) aftermarket replacement alternator fits a wide range of Fits John Deere (Fits JD) equipment powered by Yanmar diesel engines. It is a direct-fit unit with an internal fan and internal regulator (IR/IF design), 1-groove V-belt pulley, clockwise (CW) rotation, and a T-plug connector with L (ignition lamp) and Ig (ignition) spade terminals. Replaces OEM part number AM877740, which has been superseded by MIA884637.

Specifications

• Voltage: 12V
• Amperage: 40 Amps
• Rotation: Clockwise (CW)
• Design: IR/IF (Internal Regulator / Internal Fan)
• Pulley: 1-Groove V-Belt
• Regulator Clock Position: 12:00
• Polarity: Negative
• Mounting: M8-1.25 threaded ear / 10.3mm unthreaded ear; 142mm center-to-center mounting distance
• B+ Terminal: M6-1.0
• Plug Code: Ig, L

Compatible Models

Fits John Deere Utility Tractors: 430 (Yanmar 3TNA72, 1984-1991), 655 (1993-1995, from Ser. #025202), 755 (1993-1995, from Ser. #030104), 756 (1986-1990, from Ser. #030104), 855 (1995, from Ser. #009849), 856 (1986-1990, from Ser. #009849), 955, 4005, 4010 (Yanmar 18.5HP Diesel), 4110 (Yanmar 20HP Diesel)

Fits John Deere Farm / Compact Tractors: 320, 3005, 3235 (Yanmar engines), 3235A, 3235B, 3235C, 3325, 3365, 3215A, 3215B, 3225B, 3225C, 3245C, 1600, 1620

Fits John Deere Front Mount / Fairway Mowers: F912, F915, F925 (Yanmar 3TNA72), F932, F935 (Yanmar 3TNA72), F1145 (Yanmar 3TN75 / 3TNE78A)

Fits John Deere Lawn and Garden Tractors: 425 (Fits Kawasaki FD620D, 1993-2007), 445 (Fits Kawasaki FD620D, 1993-2007), 455 (Yanmar 3T72, 1993-1997), 997, X495, X595, X740, X748, X749

Fits John Deere Fits Gator Utility Vehicles: Fits Gator 6×4 Diesel, Fits Gator HPX 815E, Fits Gator HPX 4×4, Fits Gator TH 6×4, Fits Gator Trail 6×4 Diesel, Fits Gator XUV 850D, Fits Gator XUV 855D

Fits John Deere Skid Steer / Crawler: 675 (Yanmar 4TNA82, 1987-1989), 675B (Yanmar 4TNA82, 1987-1994)

Note: Several models have serial number restrictions. Verify your serial number before ordering for models 655, 755, 756, 855, and 856.

Replaces Part Number(s):

AM877740, AM877740-A, SE501824, AM100808, 119620-77201, 119620-77202, 419620-77201, 119620-77210, 100211-453, 100211-4530, 100211-4531, 9660218-453, CY-119620-77201

New aftermarket replacement part – not remanufactured, not used.