Description
The Allison 3000RDS with PTO (Part #29560391) is a 5th Generation automatic transmission built for heavy-duty vocational use. Designed to support Power Take-Off functionality, this transmission is trusted in municipal, utility, refuse, and construction fleets.
At Reaction Force, every unit is professionally inspected and remanufactured by technicians with over two decades of hands-on experience working specifically with Allison transmissions.
Signs Your 29560391 Transmission May Need Replacement
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Truck won’t shift into gear or delays under load
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PTO won’t engage or fails during operation
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Flashing gear selector or warning light
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Noticeable overheating or fluid discoloration
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Recurrent fault codes even after resets
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Harsh shifts, slipping, or loss of torque under load
Common Diagnostic Codes (1996–2006 Era)
These are some of the most common fault codes associated with the Allison 3000RDS Gen 5:
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D1 – Clutch performance problem or gear ratio issue
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D2 – Solenoid or shift valve malfunction
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D4 – Speed sensor out of range
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D5 – TCC fault, commonly due to internal wear
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Flashing “N” – General transmission fault – needs scan tool
Don’t guess — if you’re seeing any of these, give us a call. We’ll help you match the right part.
Pre-Installation Checklist
To ensure your replacement is successful:
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Confirm your TCM is compatible with a 5th Gen Allison
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Drain and flush transmission cooling lines and radiator
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Verify PTO alignment and torque specs for accessories
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Inspect harnesses for corrosion, fraying, or heat damage
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Use only approved TES-295 fluid
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Align torque converter properly before bolting to engine
Need Help Confirming Compatibility or Placing an Order?
Don’t play guessing games with your transmission. Our team knows these units inside and out — and we’ll help you confirm compatibility before you buy.
Call Reaction Force now to check availability: (503) 682-6322
Fast shipping. Friendly support.
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Allison 3000RDS Series with PTO 5th Gen 29560391 priced without a core deposit. Reman Allison Exchange Transmission with 2 year unlimited mile warranty. Buyer pays all freight for delivery of reman exchange transmission and core return. We can provide freight quotes upon request. Local pickup and free delivery within 100 miles is available. If within 300 miles, please call to see if we can still deliver for free! If we deliver this unit, we include free reflash of your TCM. Price does not include fully refundable core deposit. Please see policies page for core criteria and warranty details. Image is representation. You may request pictures of actual unit.
Need more info? Let us know what you need.
Images are for representational purposes only.
Frequently Asked Questions
1. What’s the difference between 29560391 and other 3000RDS models?
This specific unit supports PTO functionality and uses 5th Gen TCM calibration. Confirming the tag number is the best way to ensure compatibility.
2. How long does this transmission typically last?
With proper maintenance, Allison 3000RDS units often run 250,000+ miles. PTO usage and towing conditions can affect lifespan.
3. Can I replace my 29560391 with another Gen 5 3000RDS?
Possibly. But minor variations (internal gearing, PTO setup, software) matter. Contact us to compare specs and ensure a proper match.
4. Is this remanufactured or new?
This unit is professionally remanufactured using tested components and backed by our in-house experience with Allison systems.
