Ram 3500: Manahawkin Service & Repair Guide

Gas and diesel are two different maintenance conversations

A 3500 buyer choosing between the 6.4L HEMI V8 and the 6.7L Cummins High-Output diesel is also choosing two different ownership rhythms. The HEMI follows a more conventional gas-engine schedule - oil changes, filters, and standard fluid service on a mileage or time interval that's closer to what a half-ton owner is used to. The Cummins diesel adds real complexity to the maintenance conversation: fuel filter changes, periodic DEF refills to keep the emissions system compliant, and generally tighter attention to fuel quality, since a contaminated fuel filter or fuel system issue on a modern diesel is a far more expensive problem than the same issue would be on a gas engine. Neither is "harder" to own, but they're genuinely different, and a shop that services both well - which is what a factory Ram service department is set up to do - matters more on this truck than on most.

No EPA rating, no invented mileage number

The 2026 Ram 3500 doesn't carry an EPA city/highway/combined fuel-economy rating at all - Class 3 heavy-duty trucks over a certain GVWR are exempt from the testing fueleconomy.gov uses for lighter trucks and passenger vehicles. If a buyer sees a specific MPG number attached to a 3500 online, it's almost always an owner-reported real-world estimate, not an official rating, and it should be treated that way. Real-world fuel economy on this platform depends heavily on engine choice, load, and driving style far more than it does on a half-ton, where EPA numbers at least give a rough baseline to start from.

What towing does to a maintenance schedule

A 3500 that spends real time towing near its rated capacity works its transmission, brakes, and cooling system harder than the same truck driven empty, and that shows up in how often fluids and wear items actually need attention versus what a mileage sticker alone would suggest. The 8-speed automatic is shared across both engines, but a truck regularly pulling a loaded gooseneck or fifth-wheel trailer benefits from more frequent transmission fluid attention than the same truck used mostly unloaded. Brake wear follows the same pattern - towing heavy, frequently, accelerates pad and rotor wear in a way that's easy to underestimate if you're going by calendar time rather than how the truck's actually being used.

Why shore miles are harder on a heavy-duty truck than they look

Salt air off the causeway starts working on exposed metal the moment a truck spends real time near the water, and a dually's extra wheel hardware and larger brake components mean more surface area exposed to it. Winter cuts the other way - road salt on Route 72 and the surrounding roads is a slow, quiet cause of corrosion on frame rails, brake lines, and exhaust hardware that doesn't announce itself until repair costs are already high. Hitch and trailer-brake-controller wiring is worth a periodic look too, since that's equipment a half-ton owner rarely worries about but a 3500 owner is using constantly - corroded hitch wiring shows up as trailer light or brake-controller problems at the worst possible time, usually right before a tow.

DIY corner: what's worth checking yourself

Some warning signs are worth understanding before they become a service appointment, especially on a Ram truck platform where certain fluid leaks and pump issues follow recognizable patterns. The store's own how-to guides cover two of the more common ones: how to know if your Dodge truck is leaking transmission fluid and how to deal with a failing Ram truck oil pump - both worth a read if something feels off between scheduled visits, especially on a truck doing regular towing duty where component stress is higher than average.

What service customers say

Wayne Manstream's experience captures why factory service earns repeat business on a truck this complex: "First class service. Fred is the ultimate professional. I would have never thought about taking my truck to the dealer for regular maintenance. After dealing with Fred I can't imagine taking my vehicle any else." Chris Laplaga put it even more simply after service on his own Ram: "Mark was great! Very responsive to all my needs. I'll only get work done on my Ram there." Fred and Mark are part of the same service team at Manahawkin Chrysler Dodge Jeep Ram today.

New Jersey inspection, in plain terms

New Jersey runs an emissions-only inspection for passenger and light-duty vehicles, with new vehicles exempt for the first five years - so a 2026 Ram 3500 won't need one right away. Heavier commercial-registered trucks can fall under different inspection rules than a personal-use pickup, so if the truck will be registered or used commercially, it's worth confirming the applicable inspection category with the New Jersey MVC rather than assuming the standard passenger-vehicle exemption applies.

Frequently asked questions

Does a diesel Ram 3500 need more maintenance than the gas HEMI?

It needs different maintenance, not simply more. The Cummins diesel adds fuel filter service and periodic DEF refills that the HEMI V8 doesn't require, along with closer attention to fuel quality. Both engines still need standard oil, fluid, and wear-item service on their own intervals.

What's the EPA fuel economy rating on a 2026 Ram 3500?

There isn't one. Class 3 heavy-duty trucks like the 3500 are exempt from EPA fuel-economy testing. Any MPG figure attached to this truck online is an owner-reported real-world estimate, not an official rating.

Does towing a lot mean more frequent oil changes on a 3500?

Sustained heavy towing puts more stress on the transmission, brakes, and cooling system than unloaded driving, which can shorten real-world service intervals even when the mileage on paper looks the same. The service department can advise on interval adjustments based on how the truck is actually used.

Does a new Ram 3500 need a New Jersey inspection right away?

For personal-use registration, no - New Jersey's emissions-only inspection exempts new vehicles for their first five years. Commercially registered trucks can fall under different rules, so confirm with the NJ MVC if the truck will be used commercially.

How do I schedule Ram 3500 service in Manahawkin?

Call the service department at 609-855-5666 or book online through Manahawkin Chrysler Dodge Jeep Ram. Current service specials are posted online as well.