Duernberger Diesel Service

Duernberger Diesel Service Home of KD Customs Diesel Engine & Machine. Specializing In Diesel Engine Repair For Cummins, Duramax & Powerstroke

We are a professional shop that specializes in general diesel repair of all brands including heavy duty/agricultural equipment. We specialize in Cummins, Powerstroke, Duramax & CAT platforms, but have the tools & knowledge to tackle any brand. We have an extensive knowledge base and can make your dreams become a reality. We only sell the highest quality parts (OEM and/or OEM equivalent or better),

and properly install the first time saving you time & money. Call, Message, or E-mail us to learn how we can help you!

07/18/2026

IYKYK - L5P Duramax getting machined for a few keys ⚙️

Can you believe not even a dowel pin for the oil pump drive gear!!

📲 920-644-2435

💻 www.ddsrubicon.com

📧 [email protected]

📍 211 West Pleasant Street, Iron Ridge WI 53035



☀️ 🧪 ⚙️ 🛻 💥

07/18/2026

Yesterday & today we completed 4 Duramax blocks all with billet main caps on the Rottler. Gotta love that circular interpolation thrust machining! 💪 🇺🇸

# DDSRubicon
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Duernberger Diesel Service

07/17/2026

Good luck to Funkengruven Pulling Team this weekend!

We're proud to be a part of their success. Give their page a like and follow along.

06/26/2026

ISX New Crank Gear, Tone Wheel & Drive Hub Install. These are not so fun…if you know…you know 🔧 ⚙️

06/26/2026

Little VE Build Action!

‼️We a limited quantity of Callies DuraStar Duramax Crankshafts Available. First Come, First Served. $2,200 EA + tax.
05/20/2026

‼️We a limited quantity of Callies DuraStar Duramax Crankshafts Available. First Come, First Served. $2,200 EA + tax.

We're placing an order for Richardson 168 Seven Panel Trucker Caps. We want to know your top 3 choices. Message us if y...
05/02/2026

We're placing an order for Richardson 168 Seven Panel Trucker Caps. We want to know your top 3 choices. Message us if you would like to pre-order a specific design.

Brad's 2022 Ford F-350 Is What Dreams Are Made of If You're a Ford EnthusiastFeatures: ➡ Snyder Performance Engineering ...
04/26/2026

Brad's 2022 Ford F-350 Is What Dreams Are Made of If You're a Ford Enthusiast

Features:

➡ Snyder Performance Engineering CP3 Conversion Kit
➡ Snyder Performance Engineering Emperor S366 Quick Spool System
➡ Snyder Performance Engineering Booklung Intercooler & Piping
➡ Snyder Performance Engineering Coolant Hoses
➡ KD Customs TIG Welded Crank Gear
➡ Professional Assembly and Installation

Let's be a part of your next build!

Currently, swapping out a 2020 6.7L Powerstroke with a proven, and reliable Detroit/GM 6.5L DieselYou can expect failed ...
04/01/2026

Currently, swapping out a 2020 6.7L Powerstroke with a proven, and reliable Detroit/GM 6.5L Diesel

You can expect failed PDM’s, terrible fuel economy, extremely low power, cracked blocks, and overheating; all of which are perfect for your next family camping trip ☀️☀️

Address

211 W. Pleasant Street
Iron Ridge, WI
53035

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 4:30pm

Telephone

(920) 644-2435

Website

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