The Cummins Advantage: Dynamax Drivetrain Technology Explained

The heart of every Dynamax Super C is its drivetrain — and Dynamax made a deliberate choice to standardize on the Cummins B6.7 turbo diesel paired with an Allison automatic transmission. This isn't a marketing decision; it's an engineering one. Here's why this combination matters for your ownership experience. Compare it with our full lineup of Super C motorhomes.

Cummins B6.7: The Numbers

The Cummins B6.7 is a 6.7-liter inline-six turbo diesel producing 360 horsepower and 800 lb-ft of torque. That torque figure is critical — it means you have massive pulling power at low RPM, which translates to effortless highway merging, confident mountain climbing, and the ability to tow up to 20,000 lbs without straining.

For perspective, most Class A diesel pushers use similar displacement engines but weigh significantly more. The Dynamax Super C's lighter weight relative to engine output means better acceleration, better fuel economy, and less mechanical stress.

Allison Transmission: Commercial-Grade Shifting

The Allison 3000-series automatic transmission is the same unit used in fire trucks, ambulances, and commercial delivery vehicles. It's designed for hundreds of thousands of cycles under load. The transmission features a torque converter lockup that improves fuel economy at highway speeds and a PTO (power take-off) capability for auxiliary systems.

Maintenance for Las Vegas Owners

Desert heat is the number one enemy of diesel engines. Here's what Las Vegas Dynamax owners should prioritize:

• Coolant System: Inspect every 6 months — the Cummins uses an EGR system that generates significant heat
• Oil Changes: Every 15,000 miles or annually with Cummins-approved 15W-40
• DEF Fluid: Keep the tank topped off — the engine will derate if DEF runs low
• Air Filters: Desert dust clogs filters fast — check monthly during summer
• Allison Fluid: Change every 50,000 miles or per Allison's recommendation

Why This Combination Wins

The Cummins/Allison pairing is the most widely supported diesel drivetrain in North America. Any Cummins-certified shop can service your engine, and Allison dealers are equally accessible. This means no matter where your Dynamax takes you — from Las Vegas to Maine — you'll find qualified service within reach.