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RTLO18913A Eaton Fuller Roadranger Transmission | Remanufactured 13-Speed Double Overdrive 0.86 & 0.73 | 1850 lb-ft | Core Exchange
RTLO18913A Eaton Fuller Roadranger Transmission | Remanufactured 13-Speed Double Overdrive 0.86 & 0.73 | 1850 lb-ft | Core Exchange
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RTLO-18913A | Eaton Fuller 13-Speed Roadranger Transmission — Remanufactured by DPE (Double Overdrive)
The Eaton Fuller RTLO-18913A is a heavy-duty 13-speed with double overdrive (0.86 & 0.73) and 2 reverse ranges. Completely remanufactured to factory spec with new Fuller Synchros, bearings, and seals in Mansfield, Ohio by Discount Parts Exchange (DPE).
Summary
13-speed double-overdrive transmission with air-actuated range & splitter. Rated to 1,850 lb-ft. Internal oil pump. Dry weight ~716 lb. Case length 33.1 in. Sold on exchange.
Highlights
- Model: RTLO-18913A
- Gears: 13 forward / 2 reverse
- Final Overdrive: 0.73 (double OD: 0.86 and 0.73)
- Torque Rating: 1,850 lb-ft
- Dry Weight: ~716 lb
- Length: 33.1 in
- Internal Oil Pump: Yes
- Shift System: Manual main; air range & splitter (aux section)
- Applications: Long-haul / OTR, heavy-duty Class 8
- Common Service Parts: Output shaft nut K-4122 | Seal kit K-2918
Gear Ratios — Forward / High-Low Splits
| Gear | Ratio |
|---|---|
| 8th High (OD2) | 0.73 |
| 8th Low (OD1) | 0.86 |
| 7th High | 1.00 |
| 7th Low | 1.17 |
| 6th High | 1.38 |
| 6th Low | 1.62 |
| 5th High | 1.95 |
| 5th Low | 2.29 |
| 4th | 3.23 |
| 3rd | 4.43 |
| 2nd | 6.11 |
| 1st | 8.64 |
| Low | 12.31 |
Gear Ratios — Reverse
| Range | Ratio |
|---|---|
| Reverse High | 3.50 |
| Reverse Low | 13.22 |
Overall ratio coverage: 19.7:1
What’s Included
- Remanufactured Eaton Fuller RTLO-18913A transmission — completely remanufactured to factory spec with new Fuller Synchros, bearings, and seals
- 12-month, unlimited-mileage parts-only warranty
- Inspected for correct gear mesh and shift quality
Optional Services
- Shift tower rebuild (Fuller S-2129)
- PTO rebuilding and setup
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
- Sold on exchange: Returned core must be like-for-like, complete, and rebuildable
- 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 on request)
- No residential delivery
Warranty
- 12 months, unlimited mileage against material/workmanship defects
- No labor reimbursement; claims subject to inspection
- Improper lubrication or installation voids warranty
Location & Contact
Location: Mansfield, Ohio
Call for pricing and availability: 419-522-3320
Heavy-Duty Solutions | Built to Perform. Trusted to Last.
Reference Documentation
For detailed exploded-view diagrams, part numbers, and component identification, download the official Eaton® Fuller RTLO-18913A Transmission Illustrated Parts List (EN-US version).
📄 Download Eaton Fuller RTLO-18913A Transmission Illustrated Parts List (PDF)

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