The Genie 85127GT is a genuine OEM 12V Regulator for Perkins 103.10 engines, designed for Genie and Terex portable light towers including the AL4000, TML-4000, TML-4000N, RL4000, AL4, and RL4. As a direct OEM replacement, this regulator is built to the same specification as the original unit, ensuring a correct fit and dependable electrical output for the machines it serves. Cross-reference part number 85127GT against your machine's parts manual to confirm this is the right component for your unit before ordering.
Key Features
- Genuine OEM Electrical Specification — Sourced directly from Genie, this regulator meets the original 12V output specification for the Perkins 103.10 engine, so voltage regulation performs exactly as engineered.
- Direct OEM Replacement — Engineered to match the original component's mounting and connector configuration, allowing straightforward installation without modification.
- Broad Light Tower Fitment — Covers multiple Genie and Terex portable light tower models, including the AL4000, TML-4000, TML-4000N, RL4000, AL4, and RL4 series.
- Stable Charging Output — A correctly functioning regulator maintains steady voltage to the battery and electrical system; a failed unit can result in an undercharged or overcharged battery, leading to hard starts or electrical damage.
- Electrical System Integrity — On jobsite light towers, consistent voltage regulation is critical to uninterrupted lighting operation. Using the correct OEM regulator helps maintain the electrical system within safe design limits.
A voltage regulator controls the output of the engine's charging system, keeping the battery and onboard electrical components supplied with a stable, correct voltage level. When the regulator fails or degrades, the charging system can deliver too little or too much voltage — leading to a drained battery, premature electrical component wear, or difficulty starting the engine. Replacing a faulty regulator with the correct OEM part restores proper charging system function and protects the rest of the electrical system on the light tower.
Part Details
| Part Number | 85127GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Regulator, 12V Perkins 103.10 |
Compatibility & Fitment
| Name | Model |
|---|---|
| AL4000 | AL4000 |
| TML-4000 | TML-4000 |
| TML-4000N | TML-4000N |
| RL4000 | RL4000 |
| AL4 | AL4 |
| RL4 | RL4 |
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.