FRO16210C Transmission | Eaton Fuller | Roadranger | Remanufactured 10-Speed Overdrive 0.74 | 1600 lb-ft | Core Exchange

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. 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.

Need the version with the factory internal cooler? See the FRO16210C-IC (K-3246).

Call DPX to confirm: 419-522-3320.

Highlights

• Model: FRO16210C
• 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 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)
• Applications: Linehaul / regional Class 8

Gear Ratios — Forward (FRO16210C)

Gear Ratios — Reverse (FRO16210C)

Overall ratio coverage: 17.15:1

Shift Pattern – FRO16210C 10-Speed

Official Eaton Fuller 10-Speed Shift Pattern: Eaton Fuller 20400

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 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

Related Products

Optional Services

• 5/32" air line fittings (Fuller 84005 or equivalent)
• 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

• 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

DPX Drivetrain Tools Hub

Free tools built by rebuilders for truckers and fleets — Road Speed & Ratio Calculator, PTO shimming procedure, gear ratio comparison charts, and our full IPL library for instant parts identification.
Open DPX Drivetrain Tools Hub →

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.