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IF BUNDLED WITH FLUID! Covers One Way Only
Tackle towing, hauling, and everyday driving with confidence. The RoadReady 4R100 is a 4-speed automatic engineered to handle heavy loads and higher torque in Ford Super Duty and other diesel-powered applications. Built to OEM-equivalent standards by a Monster-Approved manufacturing partner, it delivers smooth shifts, reliable power, and long-term durability for work or play.
With robust components and precision assembly, the RoadReady 4R100 provides consistent performance under demanding conditions—ideal for trucks that need strength and dependability every day.
Note
In-stock transmissions usually ship the next business day.
Custom builds or out-of-stock units typically ship within 2–4 weeks.
Need it sooner? Call us — we can often make special arrangements.
We offer the most comprehensive coverage in the industry:
Extend warranties are included on all Transmission Purchases read more HERE.
No — we offer a $299 Flat-Rate One-Way Shipping to any address, commercial or residential.
If you find a better rate, you're welcome to arrange your own shipping.
No — fluid must be purchased separately. We offer special discounted prices and even cheaper shipping options when you bundle with our fluid at checkout.
Returning your core is simple. Once you are ready to return your core, you can initiate the return process in one of two ways:
Please Note:
Our goal is to make this process as seamless as possible — if you have questions about your core return, just give us a call.