Product Overview
The A-6756 Auxiliary Countershaft Assembly is supplied as a new independent aftermarket replacement for professional transmission repair. This welded countershaft unit serves the auxiliary transmission section in compatible RTLOF-16713A applications. Reference part number A-6756 is provided to support part-to-part comparison, not as a substitute for application verification.
Its shaft, gears, and bearing surfaces work together to carry rotational load through the auxiliary gear train. The specified position is Auxiliary Transmission Section, with Assembly Design: Welded Countershaft Assembly. These details should be checked against the removed component and the transmission build information before purchase.
Key Features
- New independent aftermarket replacement for transmission rebuilding.
- Complete welded assembly for auxiliary-section rebuilding.
- Reference part number A-6756 supports accurate cross-checking.
- Professional installation and inspection of mating components are recommended.
Product Specifications
| Reference Part Number | A-6756 |
|---|---|
| Product Type | Auxiliary Countershaft Assembly |
| Condition | New |
| Replacement Type | Independent Aftermarket Replacement |
| Component Position | Auxiliary Transmission Section |
| Assembly Design | Welded Countershaft Assembly |
| Transmission Application Reference | RTLOF-16713A |
Application and Ordering
Verify the RTLOF-16713A transmission model and compare the original assembly carefully. Gear order, tooth profiles, journal diameters, shaft length, end machining, weld pattern, and overall dimensions must agree. Application lists can include variations by build date, ratio, housing, or internal configuration. If any detail differs, request a dimensional check before ordering. Installation should be performed by a qualified transmission technician, with mating parts, bearings, lubrication paths, and adjustment settings inspected during assembly.
Frequently Asked Questions
Is A-6756 a genuine branded part?
No. This is an independent aftermarket replacement compatible with selected Eaton / Fuller applications. These names and reference numbers are used solely for identification and compatibility comparison; no affiliation, authorization, sponsorship, or endorsement is claimed.
What should be checked before ordering A-6756?
Confirm the exact transmission model and compare the reference number, component position, assembly design, dimensions, spline or tooth details, and physical configuration with the removed part.
Can A-6756 be selected by appearance alone?
No. Similar countershafts can differ in gear spacing, journals, length, and end details, so the application and measured features must be compared.
Compatibility and IP Notice
All third-party brand names, model designations, logos, and part numbers are the property of their respective owners. They are used solely for identification and compatibility reference. This independently supplied aftermarket replacement is not an OEM or genuine branded product and is not manufactured, authorized, licensed, sponsored, affiliated with, or endorsed by any referenced trademark owner.
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