One New Aftermarket Replacement Alternator Fits John Deere (Fits JD) Tractors, Mowers, Crawlers, and Fits Gator Utility Vehicles
This Fits Denso-type aftermarket replacement alternator fits a wide range of Fits John Deere (Fits JD) diesel-powered compact tractors, front mount mowers, fairway mowers, crawlers, skid steer loaders, and Fits Gator utility vehicles equipped with Yanmar engines and the original Fits Denso 40-amp charging system. It is a direct-fit replacement for OEM part number AM877740, supplying 12-volt, 40-amp output to keep the electrical system fully charged under load. The unit features an internal fan, internal regulator, clockwise rotation, and a single-groove V-belt pulley.
Specifications
- Voltage: 12V
- Amperage: 40 Amps
- Rotation: Clockwise (CW)
- Design: IR/IF (Internal Regulator / Internal Fan)
- Pulley: Single-groove V-belt
- Polarity: Negative ground
- Plug code: IG, L (ignition and lamp spade terminals)
- Mounting ear 1: M8-1.25 threaded
- Mounting ear 2: 10.3mm unthreaded
- Weight: approx. 7.58 lbs
Serial Number Restrictions
- 655: from serial number 025202 (1993-1995)
- 755: from serial number 0030104 (1993-1995)
- 855: from serial number 009849 (1995)
Compatible Models
Fits John Deere Compact Tractors: 570, 575, 655, 755, 756, 855, 856, 955, 3005, 4005, 4010, 4110, 430, 455
Fits John Deere Front Mount / Fairway Mowers: F912, F915, F925, F935, F1145, 3215A, 3215B, 3225B, 3225C, 3235, 3235A, 3235B, 3235C
Fits John Deere Wide-Area Mowers: 1600, 1620
Fits John Deere X-Series Lawn Tractors: X495, X495, X595, X740, X748, X749
Fits John Deere Fits Gator Utility Vehicles: 6×4 Diesel, TH 6×4, Trail 6×4, HPX 815E, XUV 850 D, XUV 855 D
Fits John Deere Skid Steer / Crawler: 675, 675B
Fits John Deere Military: M-A1 Military, M-A2 Military 4×4, M-A3 Military 4×4
Yanmar Engines: 3TNA72, 3TNA72E (as equipped on compatible Fits John Deere machines)
Replaces Part Number(s):
AM877740, AM877740-A, SE501824, AM100808, 119620-77201, 119620-77202, 419620-77201, 119620-77210, CY-119620-77201, 100211-453, 100211-4530, 100211-4531, 9660218-453
Aftermarket Interchange Numbers
Fits Denso type: 100211-4530, 100211-4531. Also cross-references: 12188. Verify your OEM part number from the original unit before ordering.
New aftermarket replacement part – not remanufactured, not used.
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