The Wacker Neuson Rotor Complete is a genuine OEM Rotor Complete designed for the LTN4Y and LTN5Y light tower series as well as the APT4S and APT4T submersible pump series. Sourced directly from Wacker Neuson, this is the same assembly installed at the factory — ensuring correct electrical output, balanced rotation, and proper fit within the generator or pump housing. It is compatible across a wide range of LTN4Y and LTN5Y light tower configurations including standard, 60 Hz, 120V/60Hz, cold weather, and regional variants, as well as APT4S skid-mounted and APT4T surge brake and electric brake pump configurations.
Key Features
- Correct Winding and Pole Geometry — Genuine OEM construction ensures the rotor meets the original electrical output specifications required for stable generator performance across LTN4Y and LTN5Y light towers.
- Direct Assembly Replacement — Supplied as a complete rotor assembly, this unit drops into the stator housing without modification, using the original mounting points and shaft interface.
- Broad Series Coverage — Fits LTN4Y and LTN5Y light tower variants and APT4S and APT4T submersible pump models, covering standard, cold weather, 60 Hz, and regional configurations under a single part number.
- Restored Power Generation Capability — A worn or damaged rotor causes voltage fluctuation, loss of output, or complete generator failure; replacing it with part 5200020261 restores full rated electrical output to the machine.
- Electrical Safety Compliance — As a core electrical generating component, using the genuine OEM rotor maintains proper insulation class and output tolerances, reducing the risk of overloading connected equipment or downstream electrical faults.
The rotor is the rotating core of the generator or motor assembly, responsible for producing the electromagnetic field that drives electrical output. It spins within the stationary stator windings, and the interaction between the two generates the AC power the machine delivers. When the rotor wears, becomes damaged, or loses magnetic integrity, the result is unstable voltage, reduced output, excessive heat, or a complete loss of power — making it one of the most critical components in the electrical system to replace with a correctly specified part.
Part Details
| Part Number | 5200020261 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rotor Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN5Yp | LTN5Yp | 5100069549 |
| LTN5Y SA | LTN5Y SA | 5100069548 |
| LTN4Y | LTN4Y ME | 5100069545 |
| LTN4Y 60 Hz | LTN4Y 60Hz | 5100069546 |
| LTN4Y SA | LTN4Y SA | 5100069547 |
| LTN4Y | LTN4Y | 5100073603 |
| LTN5Ypk | LTN5Ypk | 5100077880 |
| LTN4Y RH | LTN4Y RH | 5100077620 |
| LTN5Yp HD | LTN5Yp HD | 5100079429 |
| LTN5Y | LTN5Y | 5100069550 |
| LTN5Ypa | LTN5Ypa | 5100069551 |
| LTN5Y CH | LTN5Y CH | 5100069552 |
| LTN5Y UK | LTN5Y UK | 5100069553 |
| LTN4Y 120V/60Hz | LTN4Y 120V/60Hz | 5100075978 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.