The Wacker Neuson Pulley is a genuine OEM component designed for LTN4Y and LTN5Y light tower series as well as APT4S and APT4T pump models. Sourced directly from Wacker Neuson, this pulley meets the original engineering specifications for the machines it serves, ensuring proper belt alignment and drive system performance right out of the box. Verified compatibility spans a broad range of configurations including cold weather, surge brake, electric brake, and skid-mounted variants across these product families.
Key Features
- Genuine OEM Belt Alignment Accuracy — Manufactured to the exact groove profile and bore dimensions specified by Wacker Neuson, so belt tracking and tension remain consistent with original drive system design.
- Drop-In Replacement — Matches the original mounting interface on LTN4Y, LTN5Y, APT4S, and APT4T machines, allowing straightforward swap-out without machining or adaptation.
- Broad Model Coverage — A single part number covers the full LTN4Y and LTN5Y light tower range plus APT4S and APT4T pump configurations, including cold weather and specialty brake variants.
- Drive Efficiency Protected — A correctly sized and profiled pulley maintains proper belt speed ratio and load transfer; a worn or undersized pulley causes belt slip, excess heat, and premature drive component wear.
- Part Number 5200020271 Verified — Cross-referenced against Wacker Neuson parts documentation for the listed models, giving you confidence before you order.
A pulley is a rotating wheel with a shaped groove that guides and drives a belt or chain within a machine's power transmission system. In light towers and pump units like the LTN and APT series, the pulley transfers rotational power from the engine or motor to driven components such as the alternator or pump head. When a pulley wears, chips, or loses its correct profile, the belt begins to slip or run unevenly, which reduces output efficiency and accelerates belt and bearing wear — ultimately leading to loss of drive and machine downtime.
Part Details
| Part Number | 5200020271 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pulley |
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.
