Molloparts AM127393 AM124140 10A PTO Switch LVA21438 | John Deere Tractor Compatibility

Overview

Meet the Molloparts AM127393 AM124140 10A PTO switch LVA21438, a versatile replacement designed to restore reliable PTO control across a broad spectrum of John Deere tractors and compatible brands. This 2-position switch with eight terminals is built to endure the vibrations and weather of daily farm and lawn work, offering a practical balance of performance and value.

Key features sit at the heart of this part. With a 9-16V DC operating range, it suits most 12-volt electrical systems commonly used on tractors. The contact resistance is rated at 50 milliohms, helping minimize voltage drop under load for smoother engagement of attachments. Durability is highlighted by endurance ratings: up to 40,000 inductive cycles and up to 1,000,000 resistive cycles, making it a dependable replacement for busy seasons and routine maintenance.

Key specs

• Part numbers include LVA21438 AM127393 AM124140 430-073 430073 6271-302 6271302
• Configuration two positions and eight terminals
• Endurance inductive up to 40,000 cycles; resistive up to 1,000,000 cycles
• Voltage range 9-16 V DC and contact resistance rated load 50 milliohms

Compatibility at a glance

• John Deere Lawn and Garden Tractors 415 425 445 GX255 GT225 GT235 GT245 G100 LT190 LX255 LX266 LX277 LX279 LX280 LX288 LX289
• SST15 SST16 SST18
• John Deere Compact Utility Tractors 1023E 1025R 1026R 2025R 2032R 3033R 3038R 3039R 3045R 3046R 3120 3320 3520 3720 4044M 4044R 4049M 4049R 4052M 4052R 4066M 4066R
• Scotts lawn tractors S2048 S2348 S2554L
• Sabre lawn tractors 1842GV 1842HV 1848GV 1848HV 1948GV 1948HV 2048HV 2148HV 2254HV 2354HV 2554HV

Replacement but not an original John Deere part, this Molloparts switch is designed to slot into the same wiring harness and mounting footprint as the OEM unit. Its straightforward two-position design supports simple on/off control, while the eight terminals provide room for routing signals to related components. In practical terms, this means a practical, maintenance-friendly option for keeping mowing decks, loaders, or other PTO-driven attachments functioning without lengthy downtime.

Real world use

Whether you are restoring a vintage Deere or maintaining a newer utility tractor, a reliable PTO switch helps manage attachments and power circuits. The wide compatibility means you are not limited to a single model, while the replacement nature allows quick swaps when service is needed. The build emphasizes a robust construction suitable for regular use in farm or yard settings.

Installation tips

Verify exact compatibility and inspect the harness and mounting points before installation. Follow standard electrical safety practices and consult a technician if unsure. This Molloparts part is designed to offer a familiar footprint and reliable performance across supported Deere models.