Description
Allison PTO Adapter Plate 26-P-56 (3000 / 3500 / 4000 / 4500 Series)
What This Adapter Plate Does
- Provides mounting surface for PTO units
- Ensures proper alignment and spacing
- Maintains torque transfer efficiency
- Prevents premature wear on PTO components
Common Applications
- Dump trucks (hydraulic systems)
- Tow trucks
- Utility service vehicles
- Snow plows and municipal fleets
- Oil & gas field trucks
Signs You Need a Replacement Adapter Plate
- PTO misalignment issues
- Excessive vibration during operation
- Cracks or warping in plate
- Mounting holes worn or damaged
Why Proper Fitment Matters
Incorrect or worn adapter plates can lead to:
- PTO failure
- Transmission damage
- Loss of hydraulic function
- Increased downtime
Common Questions
Will this fit all Allison 4000 Series transmissions?
It fits many configurations, but always verify with your PTO setup and transmission tag.
Can a damaged adapter plate cause PTO failure?
Yes—misalignment can lead to premature wear or complete PTO failure.
Is installation straightforward?
Installation is typically straightforward but should be done by a qualified technician to ensure alignment.
Questions?Â
Call Reaction Force LLC at (503) 862-6322 to confirm compatibility and availability before ordering.
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