ATG20937 Alternator 51429499R Ford 345C 345D 445C 445D 545D 555C 555D 575D 655C
ATG20937 Alternator (51429499R) – 12V/65A for Ford Industrial Tractors
Key Specifications:
Voltage: 12V (Regulated output: 14V)
Current Output: 65 Amps
Rotation: Clockwise (CW)
Pulley Diameter (Ø2): 75mm
Mounting Hole Dimensions:
A (Shaft Diameter): 13mm
B (Mounting Center Distance): 35mm
Length (L2): 82mm
Connector Type: Integrated regulator with 2-pin plug
Compatible Models:
Ford Industrial Tractors:
345C, 345D
445C, 445D
545D, 555C, 555D
575D, 655C
OEM & Cross-Reference Part Numbers:
Ford/New Holland: 51429499R, 51429499, 81863039, 87554510, 81868798, 81868798R, 83948151
Ford OEM Codes: E3NN10B376AB, E3NN10B376AA, E7NN10B376AB, E7NN10B376AA, E7NN10B376BA
Features & Benefits:
Heavy-Duty Construction
Cast aluminum housing for heat dissipation and corrosion resistance.
High-grade copper windings for efficient power generation.
Reliable Performance
Built-in voltage regulator ensures stable 14V output for battery charging.
65A output supports hydraulic systems, lights, and accessories.
Easy Installation
Direct bolt-on replacement for Ford tractors—no modifications needed.
Sealed bearings for extended lifespan in dusty/wet conditions.
Quality Assurance
100% tested under load before shipment.
IP55-rated against dust and water ingress.