ATG19998 Alternator for Crawler D20 D21 D31 D40 D41 600-821-3840 600-821-3850 600-821-3860 F674091 Product Type: Engine Alternator Interchange Part Numbers: 600-821-3840, 600-821-3850, 600-821-3860, F674091, 600-821-3870, RKD15A01 Voltage: 24V Amperage: 20A Pulley: 1PK Placement on Vehicle: Engine OEM NO.: LR22023, LR22024, LR22026, 3046659, 3779856 The ATG19998 Alternator is designed to support the electrical systems of Crawler models, including D20, D21, D31, D40, and D41 series.With a 24V output and 20A amperage, it provides consistent power delivery under various operating conditions.The 1PK pulley configuration supports straightforward installation and performance in heavy-duty applications.This alternator is engineered to match the specifications of multiple Crawler models, offering compatibility across a range of.The listed interchange and OEM numbers accurate fitment for D20, D21, D31, D40, and D41 machines.Constructed to meet performance standards, this aftermarket part delivers functionality and durability suitable for demanding environments.