RTO16908LL | RTX16908LL | Eaton Fuller 10-Speed Roadranger Transmission — Remanufactured by DPX (8LL Deep Reduction)
The Eaton Fuller RTO16908LL / RTX16908LL is a heavy-duty 10-speed with deep-reduction “8LL” gearing and 0.74 overdrive. This is a twin countershaft design. Remanufactured in Mansfield, Ohio by Discount Parts Exchange - DPX. Every unit is torn down, cleaned, inspected, and rebuilt with new bearings, seals, and synchros. Also referenced as RTO-16908LL, RTO16908LL-P, RTX16908LL, RTOF16908LL, RTO14908LL, RTO14708LL, RTO14608LL.
Call DPX to confirm: 419-522-3320.
Highlights
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Model: RTO16908LL / RTX16908LL (8LL deep reduction)
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Gears: 10 forward / 3 reverse (with deep reduction)
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Overdrive: 0.74:1
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Torque Rating: 1,650 lb-ft
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Dry Weight: ~690 lb
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Length: 33.1 in (841 mm) — measured from the face of the clutch housing to the front bottoming surface of the companion flange or yoke. This is the standard method we use when verifying proper fitment in the truck.
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Internal Oil Pump: Yes
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Shift System: Manual main box; air range & splitter (aux section)
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Applications: Heavy hauling, dump truck, excavator, construction equipment, off-highway, severe service
Gear Ratios — Forward (RTO16908LL / RTX16908LL)
RTO16908LL / RTX16908LL Forward Gear Ratios
| Gear |
Ratio |
| 8th (Overdrive) |
0.74 |
| 7th |
1.00 |
| 6th |
1.36 |
| 5th |
1.83 |
| 4th |
2.53 |
| 3rd |
3.40 |
| 2nd |
4.63 |
| 1st |
6.24 |
| Low |
9.42 |
| Lo-Lo |
14.56 |
Gear Ratios — Reverse (RTO16908LL / RTX16908LL)
RTO16908LL / RTX16908LL Reverse Ratios
| Gear |
Ratio |
| Reverse High |
2.89 |
| Reverse Low |
9.95 |
| Reverse Lo-Lo |
15.22 |
Overall ratio coverage: 19.58:1
What’s Included
- Remanufactured Eaton Fuller RTO16908LL / RTX16908LL transmission rebuilt to factory spec by Discount Parts Exchange - DPX
- 12-month, unlimited-mileage parts-only warranty
- Bench-tested for shift quality; inspected for gear mesh and integrity
Related Products
| Part Number |
Mfr |
Description |
| A6915 |
Eaton Fuller |
Pistol Grip Shift Knob – Blue/Black Flippers (Standard) |
| S2586 |
Eaton Fuller |
Pistol Grip Shift Knob with Printed Shift Pattern – 15-Speed |
Recommended Lubricant
Use Eaton PS-386 approved synthetic SAE 50 manual transmission fluid (e.g., Roadranger SAE 50). Do not use engine oil. Maintain proper level and service intervals per Eaton guidelines.
Core Exchange Policy
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Sold on exchange: Returned core must be like-for-like, complete, and rebuildable
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Deductions may apply for: Cracked housings, burnt/missing internals, low-lube or water damage, or non-matching cores
Shipping
- Ships via LTL motor freight to verified commercial addresses only
- Forklift or dock required (liftgate available upon request)
- No residential delivery
Image Disclaimer
Photos shown are representative; final appearance may vary by ratio and casting revision.
Call to Order
Call Discount Parts Exchange - DPX for pricing and availability: 419-522-3320
DPX Drivetrain Tools Hub
Free tools built by rebuilders for truckers and fleets — Road Speed & Ratio Calculator, PTO shimming procedure, gear ratio comparison charts, and our full IPL library for instant parts identification.
Open DPX Drivetrain Tools Hub →
Reference Documentation
For detailed exploded-view diagrams, part numbers, and component identification, download the official Eaton Fuller RTO-16908LL Transmission Illustrated Parts List.
📄 Download Eaton Fuller RTO-16908LL Transmission Illustrated Parts List (PDF)
DPX — Ohio’s Premier Heavy-Duty Drivetrain Rebuilder | Built to Perform. Trusted to Last.
