FRO16210C | Eaton Fuller 10-Speed Roadranger Transmission — Remanufactured by DPX (Overdrive 0.74)
The Eaton Fuller FRO16210C is a heavy-duty 10-speed manual with 0.74 overdrive and two reverse ranges. 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 FROF16210C / FRO15210C / FRO14210C / FROF14210C.
Need the version with the factory internal cooler? See the FRO16210C-IC (K-3246).
Summary
Remanufactured 10-speed overdrive transmission with air-actuated range section and internal oil pump. Rated for 1,600 lb-ft. Sold on exchange by Discount Parts Exchange - DPX.
Highlights
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Model: FRO16210C
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Gears: 10 forward / 2 reverse
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Final Overdrive: 0.74
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Torque Rating: 1,600 lb-ft
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Dry Weight: ~602 lb
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Length: 29.9 in
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Internal Oil Pump: Yes
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Shift System: Manual main; air range (aux section)
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PTO Openings: Right 6-bolt | Bottom 8-bolt | Thru-shaft options available
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PTO Drive Gears: Right 45-tooth 6/8 pitch | Left 47-tooth 6/8 pitch
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PTO Speed: 0.65× engine (direct) | 0.87× engine (overdrive)
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Oil Capacity: ~23.5 pints (11.1 L)
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Clutch Housing: SAE #1 and #2 | Grey iron or aluminum
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Applications: Linehaul / regional Class 8
Gear Ratios — Forward (FRO16210C)
FRO16210C Forward Ratios
| Gear |
Ratio |
| 10th (Overdrive) |
0.74 |
| 9th |
1.00 |
| 8th |
1.38 |
| 7th |
1.90 |
| 6th |
2.59 |
| 5th |
3.62 |
| 4th |
4.90 |
| 3rd |
6.75 |
| 2nd |
9.29 |
| 1st |
12.69 |
Gear Ratios — Reverse (FRO16210C)
FRO16210C Reverse Ratios
| Gear |
Ratio |
| Reverse High |
2.81 |
| Reverse Low |
13.75 |
Overall ratio coverage: 17.15:1
What’s Included
- Remanufactured Eaton Fuller FRO16210C transmission rebuilt to factory spec by Discount Parts Exchange - DPX
- 12-month, unlimited-mileage parts-only warranty
- Technical support from DPX during installation and break-in
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.
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, missing/burnt 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.
Order & Support
Call Discount Parts Exchange - DPX for pricing and availability: 419-522-3320
Curious What a Ratio Change Will Do for Your Truck?
Use our free Road Speed Calculator to plug in your tire size, current ratio, and target speed/RPM. See exactly what a 3.55, 3.73, or 4.10 would do before you buy.
Open Road Speed Calculator →
Reference Documentation
For exploded-view diagrams, part numbers, and component identification, download the official Eaton Fuller FRO-15210C Transmission Illustrated Parts List (PDF).
DPX — Ohio’s Premier Heavy-Duty Drivetrain Rebuilder | Built to Perform. Trusted to Last.
