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RTLO18918B Eaton Fuller Roadranger 18-Speed (Double OD 0.86/0.73) | DPE Reman | Exchange
RTLO18918B Eaton Fuller Roadranger 18-Speed (Double OD 0.86/0.73) | DPE Reman | Exchange
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RTLO-18918B | Eaton Fuller 18-Speed Roadranger Transmission — Remanufactured by DPE (Double Overdrive)
Summary: Remanufactured by Discount Parts Exchange (DPE). 18 forward speeds with a manual main section and air-actuated range & splitter in the auxiliary. Double overdrive with 0.86 and 0.73 ratios (final 0.73:1). Rated to 1,850 lb-ft. Dry weight: 716 lb. Case length: 33.1 in. Bell housing not included.
Highlights
- Model: RTLO-18918B
- Gears: 18 forward / 4 reverse
- Overdrive: Double OD — 0.86 and 0.73 (final 0.73:1)
- Torque Rating: 1,850 lb-ft
- Length: 33.1 in
- Dry Weight: 716 lb
- Internal Oil Pump: Yes (integral)
- Shift System: Manual main box; air range & splitter (aux section)
- PTO Speed / Options: ~79% engine speed; RH 6-bolt and bottom 8-bolt
- Applications: Long-haul / heavy OTR, grades, high-gross combinations
Gear Ratios — Forward
| 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 High | 2.73 |
| 4th Low | 3.20 |
| 3rd High | 3.74 |
| 3rd Low | 4.38 |
| 2nd High | 5.16 |
| 2nd Low | 6.05 |
| 1st High | 7.30 |
| 1st Low | 8.56 |
| Low High | 12.29 |
| Low Low | 14.40 |
Overall ratio coverage: 19.7:1
Gear Ratios — Reverse
| Reverse Range | Ratio |
|---|---|
| High-High | 3.43 |
| High-Low | 4.03 |
| Low-High | 12.85 |
| Low-Low | 15.06 |
Low Inertia Concept
“L” = Low Inertia. Fuller’s patented design uses a mainshaft not splined to the auxiliary drive gear, reducing rotating mass and drag for quicker, smoother upshifts — especially when moving range and splitter together.
Reference Documentation
For detailed exploded-view diagrams, part numbers, and component identification, download the official
Eaton® Fuller RTLO-18918B Transmission Illustrated Parts List (EN-US version).
📄 Download Eaton Fuller RTLO-18918B Transmission Illustrated Parts List (PDF)
Includes gear-train diagrams, shift-assembly breakdowns, and service part numbers for 18-Speed Roadranger double-overdrive transmissions.
What’s Included
- Remanufactured Eaton Fuller RTLO-18918B transmission
- 12-month, unlimited-mileage parts-only warranty
- DPE technical support
Optional Services
- Shift tower rebuild (Fuller S-2129)
- PTO rebuilding and setup
Recommended Lubricant
Use SAE 50 synthetic meeting EATON PS-164 (e.g., Roadranger CD50). 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; missing/burnt internals; low-lube or water damage; 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: 35 Mansfield Industrial Parkway, Mansfield, Ohio 44903
Call for pricing and availability: 419-522-3320
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THE REMAN CENTER. INC. dba Discount Parts Exchange
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