How Big of a Gap Should the Timbren Severe Service Have? Which Ones are Right for My Truck?
Updated 01/23/2025 | Published 01/19/2025 >
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Question:
I have the timbren drtt3500d and they sit right on the axle without a gap on my truck. From what I can tell the drtt3500e is about .6” shorter but the same Bumper and bolt pattern that should still fit the leaf spring trucks ? This would give me the proper gap. Let me know if you think I should order them !thanks
asked by: Hans
Expert Reply:
Hello Hans,
I am a little confused because you have a 2012 Ford F-250 in our fitguide, but the drtt3500d which is our part # T94VR is designed for 2010-2013 Ram 2500 and 2010-2025 Ram 3500; the drtt3500e our part # TDRTT3500E is designed for 2014-2025 Ram 2500. When these severe service Timbrens are installed you can have a gap of 1/2 to 1 1/2" but as you can see in the picture I attached of an install we did here there is 0 gap.
If your truck really is a 2012 Ford F-250 then you will want the Timbren Suspension Enhancement System - Severe Service - Rear Axle # TFRTT350F for the severe service.
The fitment of the Timbrens is off of the year, make, and model. I cannot recommend using a system that is not designed for your truck, also by using the wrong kit on your truck can also void out the warranty.
If you would like to verify your year, make, and model I am happy to get the right part number recommended to you.

Product Page this Question was Asked From
Timbren Suspension Enhancement System - Severe Service - Rear Axle
- Vehicle Suspension
- Towing/Load Leveling
- Bump Stops
- Suspension Only
- Extra Heavy Duty
- Rear Axle Suspension Enhancement
- Timbren
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Hans
1/22/2025
I have an 03 ram 2500 with the t94VR. they sit directly on my axle Im hoping the drtt3500e bracket is shorter so I could gain the gap. From looking at the specs everything is the same besides it being 3/4 of an inch shorter to fit onto the platform of the newer 3/4 tons with the coils in the back. any confirmation on this? From the picture it looks correct.