The Wacker Neuson Water Cooler is a genuine OEM component designed for the RD24-100 and RD27-120 series tandem rollers, including C and O variants across multiple build generations. As a direct OEM replacement, this part is manufactured to the exact specifications required by Wacker Neuson, ensuring a correct, straight-forward installation without guesswork. Fitment covers a wide range of RD24-100 and RD27-120 configurations — from early production models through the.3 series — making this the right part for a broad spread of Wacker Neuson tandem roller fleets. Sourcing the genuine article means the cooling system performs exactly as engineered, protecting the machine's engine and hydraulic components under demanding compaction work.
Key Features
- Genuine OEM Cooling Capacity: — Manufactured to Wacker Neuson's exact thermal transfer specifications, so heat dissipation matches what the RD24-100 and RD27-120 powertrains were engineered to handle.
- Direct Drop-In Replacement: — Mounting points, inlet/outlet connections, and core dimensions align precisely with the original unit, so installation follows the standard service procedure without adaptation.
- Broad Tandem Roller Coverage: — Confirmed fitment across RD24-100 and RD27-120 models in standard, C, and O configurations, spanning original and .3-series builds — one part number for a wide range of machines.
- Protects Engine and Hydraulic System Longevity: — A properly functioning water cooler keeps operating temperatures in range; a degraded or leaking unit leads to overheating that can damage the engine block and hydraulic circuits.
- Genuine Wacker Neuson Part: — Carries the OEM part number 5100012535, so you can confirm fitment against your machine's serial number and parts documentation with confidence.
The water cooler manages engine coolant temperature by transferring heat away from the coolant circuit and dissipating it into the surrounding air, keeping the engine operating within its safe thermal range. On tandem rollers like the RD24-100 and RD27-120, which work continuously under load in warm conditions, consistent cooling is essential to maintaining both engine performance and the integrity of adjacent hydraulic components. When the water cooler develops leaks, blockages, or core damage, coolant temperatures climb quickly — leading to overheating shutdowns and potential long-term engine damage if left unaddressed.
Part Details
| Part Number | 5100012535 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Cooler |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD24-100 Tandem Roller | RD24-100 | 5100011385 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD27-120o | RD27-120o.3 | 5100047373 |
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.