What is the Allison 4000 Series?
Allison positions the 4000 Series for heavy-duty vehicles. Its product catalogue lists a wider upper capability than the 3000 Series, but an individual 4000-series model still has application-specific limits. The family label is not a blanket approval for any engine or gross weight.
What matters in a comparison
For a 4000 Series truck, request the exact model, engine pairing and approved application. Discuss cooling and body-power needs with the vehicle supplier. If the truck has been converted or re-powered, obtain documentation covering the complete combination. Compare fuel, service and acquisition costs using the actual job; heavy-duty capability alone cannot establish the lowest operating cost.
Fluids & filters
Commercial on-highway Allison 4000 Series; sump dimensions must be identified before ordering.
Reference checked:
Identify the unit first
Use these details to match the manufacturer's application record before choosing a fluid or ordering a filter.
- Exact transmission model and serial number
- Sump depth and installed filter identity
- Prognostics enabled/disabled status
- Duty cycle and applicable coverage requirements
Fluid specifications
Transmission lubricant
Allison-approved TES 668 automatic transmission fluid; TES 295 remains approved.
Commercial on-highway 4000 Series applications; use Allison’s current approved-product list.
Source 1 ↗Filter numbers & cross-references
A catalogue cross-reference links part numbers. It does not confirm that either part fits every version of this model. Match the original part to the unit first, then check the replacement manufacturer's application and any supersession.
Main/lube high-capacity service filter kit
4000 Series 2-inch sump; kit contains 4-inch service filters. Verify the OE kit against the serial number. Catalogue cross-reference does not establish approval for Prognostics, extended intervals or Allison Extended Coverage; those require Genuine Allison filters.
Source 1 ↗ Source 2 ↗Manufacturer catalogue cross-references
- Baldwin PT9416-MPG KITCheck catalogue ↗
Main/lube high-capacity service filter kit
4000 Series 4-inch sump; kit contains 6-inch service filters. Verify the OE kit against the serial number. Catalogue cross-reference does not establish approval for Prognostics, extended intervals or Allison Extended Coverage; those require Genuine Allison filters.
Source 1 ↗ Source 2 ↗Manufacturer catalogue cross-references
- Baldwin PT9415-MPG KITCheck catalogue ↗
Official service and parts reference ↗
What still needs unit-specific confirmation
- Sump and service-filter lengths are different measurements. A family name alone cannot select between the two kits.
- Internal suction-filter parts require the exact transmission service catalogue.
Official service and parts references
Source 1 ↗ Source 2 ↗ Source 3 ↗ Source 4 ↗Follow the current manufacturer's manual for the identified unit. This page does not set a drain interval, fill quantity or repair procedure.
Questions to take to the supplier
- Which model and vocation package are installed?
- Is the engine pairing approved as built?
- Are cooling and auxiliary requirements documented?
Sources & limits
Manufacturer material supports the identification and overview above. Comparison considerations and supplier questions are Truck University’s original editorial interpretation, prepared with AI assistance. They are not an independent performance test or expert inspection.
Model-family reference only. Availability, specifications and service requirements can differ by year, market and configuration. Verify the actual vehicle or component using its identification and current manufacturer documentation. Do not use this page as a parts-fitment, modification, repair or loading instruction.
Published specifications and examples retain their labelled units; the header preferences apply to calculators.
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