The Wacker Neuson Water Tank is a genuine OEM component designed for the RD7 series walk-behind tandem rollers, including the RD7A, RD7H, RD7He, and RD7Ye models. As a direct OEM replacement, this tank is built to the same specifications as the original, ensuring a correct, trouble-free installation with no adaptation needed to the existing mounting points or water feed lines. It is the same part that ships with new machines, so you can be confident it will integrate seamlessly with your roller's drum wetting system. Whether you're servicing a North America-spec RD7He or a standard RD7 tandem roller, part number covers the full RD7 model family.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional standards, ensuring the tank holds capacity and resists cracking under the vibration loads common to tandem roller operation.
- Direct Drop-In Replacement — Matches the original mounting footprint and water outlet connections on RD7 series rollers, allowing straightforward swap-out during routine servicing or after impact damage.
- Broad RD7 Family Coverage — Confirmed fitment across the RD7A, RD7H, RD7He, and RD7Ye walk-behind tandem roller variants, including North America-specific and standard configurations.
- Supports Consistent Drum Wetting — A sound, leak-free tank maintains steady water supply to the drums, keeping asphalt from sticking during compaction passes and preserving surface finish quality.
- Verified OEM Part Number — Ordering by part number 5200011121 eliminates fitment guesswork and ensures you receive the correct tank for your specific RD7 model and serial number range.
The water tank on a walk-behind tandem roller stores the supply of water that is continuously fed to the compaction drums during asphalt paving work. Wetting the drums prevents hot asphalt mix from adhering to the drum surface, which would otherwise cause tearing and uneven compaction across the mat. A cracked, leaking, or empty tank forces the operator to stop work and risks surface defects in the finished asphalt layer, so keeping this component in good condition is essential to maintaining paving quality and productivity on site.
Part Details
| Part Number | 5200011121 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Tank |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| RD7 Tandem Roller | RD7He | 5100017193, 5100017194, 5200015241, 5200015244, 5100038031, 5100018451 |
| RD7 Tandem Roller | RD7H | 5100017195, 5100017338, 5200015242, 5200015245 |
| RD7Ye Tandem Roller | RD7Ye | 5100027116, 5100027117, 5100038032, 5100048340 |
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.
