The Wacker Neuson is a genuine OEM Governor Spring 15000-1800 RPM designed for LTN6L and LTC4L series light towers. As a direct-from-manufacturer replacement, this spring is built to the exact tension and dimensional specifications required to maintain accurate engine speed control across the full operating RPM range. Compatible with an extensive range of LTN6L variants — including 50 Hz, 60 Hz, CE-rated, Tier 4 Final, cold weather, LED, and custom configurations — as well as LTC4L light tower models, this part covers one of the broadest fitment ranges in the LTN series lineup. Sourcing the correct OEM spring means your engine governor operates precisely as engineered, protecting the machine's electrical output and extending engine service life.
Key Features
- Genuine OEM Spring Tension: — Manufactured to the exact load and free-length specification required for correct 15000-1800 RPM governor operation — not a generically rated substitute.
- Drop-In Engine Governor Replacement: — Engineered to seat and hook directly into the existing governor linkage on LTN6L and LTC4L engines with no rework to surrounding components.
- Broad LTN6L and LTC4L Series Coverage: — Fits 50 Hz and 60 Hz variants, CE and non-CE builds, Tier 4 Final, cold weather packages, LED light tower versions, and select custom configurations across both model families.
- Stable Engine Speed Across Load Changes: — A correctly tensioned governor spring keeps engine RPM consistent as lighting load fluctuates, protecting connected electrical equipment from voltage and frequency swings.
- Electrical Output Protection: — A fatigued or broken governor spring allows RPM to hunt or drop under load, risking under-voltage conditions that can damage lamp ballasts, LED drivers, or connected power outlets — replacing it promptly restores output stability.
The governor spring is a critical link in the engine's mechanical speed-control system. It works in tension against the governor flyweights, setting the target RPM the engine maintains under varying loads. On a light tower, this directly determines the stability of the electrical output — an engine that holds steady at the correct speed delivers consistent voltage and frequency to the lighting heads and any auxiliary power outlets. When the governor spring stretches, fatigues, or breaks, engine speed becomes erratic: the unit may rev too high, hunt at idle, or bog down when the lighting load is applied. Replacing the 5000155742 restores the calibrated spring force that keeps the governor in balance and the light tower's output steady throughout the shift.
Part Details
| Part Number | 5000155742 |
|---|---|
| Old Part Number | 0155742 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Spring 15000-1800 RPM |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN6L, KOHLER (LOMBARDINI) | LTN6L | 5000620117, 5000620121, 5000620727, 5000620550, 5000620552, 5000620119, 5000620120, 5000620553, 5200004090, 5200004768, 5200012438, 5200022990, 5200017094, 5200017095, 5200022155, 5100027056 |
| LTN6L-P LIGHT TOWER,60 HZ | LTN6L-P | 5000620297 |
| LTN6L 50 Hz Non CE. Custom | LTC6L | 5000620559 |
| LTN6L-V LIGHT TOWER,50HZ | LTN6L-V | 5200002720, 5200002721, 5200002716, 5200002717, 5200002718, 5200002719, 5200017102, 5200019283 |
| LTN6L-V S, KOHLER (LOMBARDINI) | LTN6L-V S | 5200018536, 5200018539, 5200018573, 5200018552, 5200023687, 5200023688, 5200023689, 5200018576 |
| Light Tower | LTC4L | 5000009375, 5000009377, 5000009379, 5000009485, 5000009311 |
| LTN6LE-V 50 Hz CE 230 V LED | LTN6LE-V | 5200019285, 5200019140 |
| Light Tower with Power Winch | LTC4L-P | 5000620018 |
| LTN6L 50 Hz CE- RACKED | LTN6LE | 5200019142, 5200019143, 5200019141 |
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.
