RTLO18918B Eaton Fuller Roadranger 18-Speed (Double OD 0.86/0.73) | DPE Reman | Exchange

RTLO-18918B | Eaton Fuller 18-Speed Roadranger Transmission — Remanufactured by DPE (Double Overdrive)

The Eaton Fuller RTLO-18918B is a heavy-duty 18-speed with double overdrive (0.86 & 0.73) and 4 reverse ranges. Completely remanufactured to factory spec in Mansfield, Ohio by Discount Parts Exchange (DPE). Every unit is torn down, cleaned, inspected, and rebuilt with new bearings, seals, and synchros.

Summary

18-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-18918B
• Gears: 18 forward / 4 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 / heavy OTR, grades, high-gross combinations
• Common Service Parts: Output shaft nut K-4122 | Seal kit K-2918

Gear Ratios — Forward

Gear Ratios — Reverse

Overall ratio coverage: 19.7:1

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.

What’s Included

• Remanufactured Eaton Fuller RTLO-18918B transmission — completely remanufactured to factory spec
• 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-18918B Transmission Illustrated Parts List (EN-US version).
📄 Download Eaton Fuller RTLO-18918B Transmission Illustrated Parts List (PDF)