FRO16210-C-IC Transmission | Eaton Fuller Roadranger | Internal Cooler | DPE Remanufactured

FRO16210C-IC | Eaton Fuller 10-Speed Roadranger Transmission — Remanufactured by DPX (Overdrive 0.74, Internal Cooler K-3246)

The Eaton Fuller FRO16210C-IC is a heavy-duty 10-speed manual with 0.74 overdrive, two reverse ranges, and a factory in-case oil-to-water cooler (K-3246). This is a twin countershaft design — front (main) box is constant mesh and non-synchronized, with synchronization only in the High/Low range box. Remanufactured in Mansfield, Ohio by Discount Parts Exchange - DPX. Every unit is torn down, cleaned, inspected, and rebuilt with new bearings, seals, and range synchros to ensure long, reliable service.

Also known as FROF16210C-IC / FRO15210C-IC / FRO14210C-IC.

Need the same box without the internal cooler? See the standard FRO16210C.

Call DPX to confirm: 419-522-3320.

Highlights

• Model: FRO16210C-IC (internal cooler K-3246)
• Design: Twin countershaft — front box constant mesh (non-synchronized), range box synchronized (High/Low only)
• Gears: 10 forward / 2 reverse
• Final Overdrive: 0.74
• Torque Rating: 1,600 lb-ft
• Dry Weight: ~602 lb
• Length: 29.9 in (759 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.
• Internal Cooler: In-case oil-to-water heat exchanger (K-3246)
• Cooler Plumbing: Uses engine coolant supply/return (hose/fitting kits available on request)
• Internal Oil Pump: Yes
• PTO Openings: Right 6-bolt | Bottom 8-bolt | Thru-shaft options available
• PTO Drive Gears: Right 45-tooth 6/8 pitch | Left 47-tooth 6/8 pitch
• PTO Speed: 0.65× engine (direct) | 0.87× engine (overdrive)
• Oil Capacity: ~23.5 pints (11.1 L) — verify level after cooler bleed
• Applications: Linehaul / regional Class 8; hot climates or severe-duty requiring added cooling

Gear Ratios — Forward (FRO16210C-IC)

Gear Ratios — Reverse (FRO16210C-IC)

Overall ratio coverage: 17.15:1

Shift Pattern – FRO16210C-IC 10-Speed

Official Eaton Fuller 10-Speed Shift Pattern:

Key Operating Notes:

• Pre-select all range shifts — move range selector before moving the main shift lever
• Do not move range selector while splitter is in High (H)
• Use the splitter button on the shift knob for half-steps
• WARNING: Always put transmission in neutral before starting the engine

What’s Included

• Remanufactured Eaton Fuller FRO16210C-IC transmission (K-3246 cooler installed) 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

Related Products

Optional Services

• 5/32" air line fittings (Fuller 84005 or equivalent) and cooler hose/line kit
• 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. Bleed the cooler circuit and re-verify level after install.

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, 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

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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.