Eaton Fuller RTX-14710C 10-Speed Transmission for Sale | OEM Used 10-Speed Manual Roadranger with Overdrive Top Gear (0.74:1)
$2,199.00
At a Glance
- Condition: OEM used, all 10 forward gears and reverse tested
- Availability: In stock, Eaton Fuller RTX-14710C transmissions available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Model designation confirmed (RTX-14710C, 1,450 lb-ft, overdrive top gear)
- Donor truck confirmed (Freightliner, Kenworth, Peterbilt, Volvo, International)
- Engine pairing confirmed (Cummins, Detroit, PACCAR, CAT, Volvo)
- Overdrive 10th gear (0.74:1) engagement verified specifically
- Splitter function verified
- Clutch brake and bell housing bolt pattern confirmed
- Output yoke and 41-spline configuration verified
- No core charge required
- Backed by a 15 day replacement warranty against internal defects
Description
About the Eaton Fuller RTX-14710C 10-Speed Transmission
The Fuller RTX-14710C is a heavy-duty transmission designed for commercial vehicles and Class 8 trucks. Manufactured by Eaton Corporation under their Fuller brand, this transmission model is known for its reliability and durability in demanding long-haul and vocational applications. It is typically used in over-the-road tractors, construction vehicles, and other heavy equipment where high torque capacity and efficient power transfer are crucial.
The RTX-14710C features a robust twin-countershaft design to handle the rigors of constant Class 8 use. It offers 10 forward gear ratios plus reverse, with an overdrive 10th gear (0.74:1) that optimizes highway fuel economy during long-distance cruising. A deep 12.55:1 first gear handles heavy launches under load. This RTX-14710C Transmission for Sale at Part Nests is valued by fleet operators and owner-operators alike for its smooth shifting capabilities and contribution to overall vehicle efficiency.
The Eaton Fuller Roadranger Family
The RTX-14710C 10-speed (this listing) is part of the Eaton Fuller Roadranger manual transmission family that dominates the North American Class 8 long-haul market. For buyers comparing Eaton Fuller manuals across the Roadranger lineup: the RTX-14710C (this listing, 1,450 lb-ft input torque rating, the older / lower-rated 10-speed for legacy Class 8 applications); the Eaton Fuller FRO-16210C 10-Speed (our vaz135 listing, the higher-rated 1,650 lb-ft 10-speed for modern Class 8 long-haul with X15 / DD15 engines); the Eaton Fuller 18-Speed Roadranger (our vaz130 listing, the premium owner-operator manual with 18 forward speeds plus 4 reverse for fine-grained gear control); and the Eaton Fuller 8LL Roadranger (our vaz131 listing, 8 forward speeds plus 4 deep reduction Low Low gears for vocational and severe-duty applications). The RTX-14710C is the legacy-application 10-speed: for older Class 8 tractors with engines up to 1,450 lb-ft (Cummins ISX older, ISM, N14, M11, Detroit Series 60 12.7L, Cat 3406E, CAT C13, Volvo D11 / D12, Mack E7) , for modern higher-torque engines, choose the FRO-16210C per vaz135 instead.
Key Features of the RTX-14710C
- 10-Speed Overdrive Configuration: Smooth shifting across ten gears, including overdrive 10th gear (0.74:1) for improved fuel efficiency during highway driving. First gear is deep 12.55:1 for heavy launches under load.
- Robust Twin-Countershaft Construction: Eaton-signature design distributes torque loading across two parallel countershafts for improved durability under Class 8 service.
- Versatile Compatibility: Fits a wide range of Class 8 truck models, making it a versatile option for various fleet configurations.
- Improved Fuel Economy: Optimized gear ratios and overdrive top gear (0.74:1) reduce fuel consumption at highway speeds.
- Enhanced Driver Comfort: Smooth shifting through Eaton proven Roadranger synchronization reduces driver fatigue on long hauls.
- 1,450 lb-ft Torque Capacity: Suitable for legacy Class 8 long-haul tractor and vocational truck engines.
- Output yoke: 2.0 inch 41-spline configuration
RTX-14710C Vehicle Compatibility
The RTX-14710C is compatible with numerous heavy-duty Class 8 truck models:
- Freightliner Cascadia (and predecessor Columbia, Century Class)
- Kenworth T680 (and predecessor T660, T600)
- Peterbilt 579 (and predecessor 387, 386)
- Volvo VNL (multiple model years)
- International LT Series (and predecessor 9200, 9400, ProStar)
Note: Newer model years of these tractors increasingly use automated manual transmissions (Eaton Endurant, Detroit DT-12, Volvo I-Shift) rather than the RTX-14710C 10-speed manual. The RTX-14710C is well-suited for older model year applications where manual transmissions remained the standard option.
Compatible Engines
The RTX-14710C 1,450 lb-ft torque rating is appropriate for the following Class 8 engines:
- Cummins: Cummins ISX (older models), Cummins ISM, Cummins N14, Cummins M11
- Detroit Diesel: Detroit DD13, Detroit DD15 (calibrated to 1,450 lb-ft or lower), Detroit Series 60 12.7L
- Caterpillar: Caterpillar C15 (lower-rated configurations), Caterpillar C13, Caterpillar 3406E (mechanical and electronic)
- PACCAR: PACCAR MX-13 (lower-rated configurations), PACCAR MX-11
- Volvo: Volvo D13 (lower-rated configurations), Volvo D12, Volvo D11
- Mack: Mack MP7, Mack E7 (where compatible)
Note on torque rating: The RTX-14710C is rated for 1,450 lb-ft. For engines producing torque above this rating (modern Cummins X15 at 2,050 lb-ft, Detroit DD16 at 2,050 lb-ft, etc.), consider the higher-rated FRO-16210C (1,650 lb-ft per vaz135), 13-speed RTLO-13710 series, or 18-speed RTLO-18918 (1,800 lb-ft) per vaz130.
Maintenance and Care
To maximize the lifespan of your Fuller RTX-14710C Transmission, follow these maintenance recommendations:
- Regular fluid checks and changes using Eaton-approved Roadranger SAE 50 synthetic gear lubricant (typical service interval 250,000 to 500,000 miles for highway service)
- Proper lubrication of moving parts and accessory shaft seals
- Timely replacement of worn components (clutch, slip yoke seal, input shaft seal)
- Adherence to manufacturer-recommended service intervals as published in the Eaton Roadranger service manual
RTX-14710C vs FRO-16210C: Which Should You Choose
| Specification | RTX-14710C (this listing) | FRO-16210C |
|---|---|---|
| Speeds | 10-speed | 10-speed |
| Torque Rating | 1,450 lb-ft | 1,650 lb-ft |
| Top Gear | 10th gear 0.74:1 (overdrive) | 10th gear (overdrive, similar) |
| Weight | 590 lbs | 370 to 400 lbs |
| Length | 38 inches | 41.5 inches |
| Application | Class 8 long-haul and vocational | Class 8 long-haul tractor |
| Engine Pairing | Up to 1,450 lb-ft engines | Up to 1,650 lb-ft engines |
Choose RTX-14710C (this listing) for older Class 8 tractors with engines producing up to 1,450 lb-ft torque. Choose FRO-16210C per vaz135 for higher-torque engines (up to 1,650 lb-ft) including modern Cummins ISX15 / X15 and Detroit DD15 applications.
Vehicle Compatibility
| Vehicle | Compatibility |
|---|---|
| Freightliner Cascadia / Columbia / Century Class | Class 8 long-haul tractors |
| Kenworth T680 / T660 / T600 | Class 8 long-haul tractors |
| Peterbilt 579 / 387 / 386 | Class 8 long-haul tractors |
| Volvo VNL (multiple model years) | Class 8 long-haul tractors |
| International LT / 9200 / 9400 / ProStar | Class 8 long-haul tractors |
| Western Star, Mack | Various Class 8 vocational applications |
Why Buy From Part Nests
- Model designation confirmed (RTX-14710C, 1,450 lb-ft)
- Donor truck and engine pairing confirmed
- All 10 forward gears and reverse tested
- Overdrive 10th gear engagement verified
- Splitter function verified
- Clutch hardware compatibility noted
- Free freight pallet delivery to all 50 states
- 15 day replacement warranty on internal defects
- Class 8 long-haul experienced support team
- Call (855) 634-4447 to confirm Eaton Fuller RTX-14710C (10-speed Roadranger with 1,450 lb-ft input torque, overdrive 10th gear 0.74:1, deep 12.55:1 first gear), donor Class 8 tractor (Freightliner Cascadia / Columbia / Century, Kenworth T680 / T660 / T600, Peterbilt 579 / 387 / 386, Volvo VNL, International LT / 9200 / 9400 / ProStar), engine pairing (Cummins ISX older / ISM / N14 / M11, Detroit DD13 / DD15 calibrated lower / Series 60 12.7L, Cat C15 lower / C13 / 3406E, PACCAR MX-13 lower / MX-11, Volvo D13 lower / D12 / D11, Mack MP7 / E7), Eaton Roadranger family position (RTX-14710C 1,450 lb-ft legacy vs FRO-16210C per vaz135 1,650 lb-ft modern, vs Eaton 18-speed Roadranger per vaz130 premium, vs Eaton 8LL per vaz131 vocational), and output yoke 2.0 inch 41-spline configuration before ordering
15 Day Replacement Warranty
Every used Eaton Fuller RTX-14710C 10-speed transmission purchased through Part Nests carries a 15 day replacement warranty starting on the delivery date.
What Is Covered
- Internal defects already present when the transmission arrives
- Gear failures within 15 days from installation on any of the 10 forward gears or reverse
- Overdrive 10th gear (0.74:1) engagement failures within 15 days from installation
- Splitter air valve failures within 15 days from installation
- Synchronizer failures within 15 days from installation
- Twin-countershaft bearing failures within 15 days from installation
- Clutch brake failures within 15 days from installation
- Output yoke failures within 15 days from installation
- Case crack failures not disclosed at shipping
- Incorrect model designation shipped (RTX-14710C vs FRO-16210C mismatch) due to an error on our end
What Is Not Covered
- Damage caused during installation
- Damage from incorrect transmission fluid (Eaton-approved Roadranger SAE 50 synthetic required)
- Damage from neglected lubricant maintenance or extended drain intervals beyond Eaton specification
- Damage from worn or failing clutch assembly (slipping, dragging, incorrect hydraulic adjustment)
- Damage from incorrect bellhousing alignment at installation
- Damage from overloading beyond 1,450 lb-ft torque capacity (use FRO-16210C per vaz135 for engines above 1,450 lb-ft)
- Damage from aftermarket engine power increases exceeding RTX-14710C rating
- Damage from improper progressive shift technique
- External components (clutch assembly, master / slave cylinder, bellhousing, driveshaft, crossmember, shift selector, splitter air supply hoses, ECM, fluids drained for transit) unless itemized
- Labor expenses of any kind
To start a warranty claim, reach us within 15 days of delivery at (855) 634-4447.
- Model Designation Confirmed: RTX-14710C with 1,450 lb-ft input torque rating
- All 10 Forward Gears Tested: Through main and splitter positions, plus reverse
- Overdrive 10th Gear Verified: 0.74:1 engagement confirmed
- Donor Truck Documented: Freightliner, Kenworth, Peterbilt, Volvo, or International
- Engine Pairing Confirmed: Cummins, Detroit, PACCAR, CAT, Volvo, or Mack documented
- 15 Day Replacement Cover: Internal defects protected from delivery onward
Additional information
| bellhousing-to-tailshaft-length | 29.0 inches |
|---|---|
| fluid-capacity | 13.2 liters |
| fluid-type | Roadranger SAE 50 synthetic transmission lubricant |
| gear-ratios | 1st: 12.55, 2nd: 8.80, 3rd: 6.42, 4th: 4.65, 5th: 3.36, 6th: 2.46, 7th: 1.79, 8th: 1.30, 9th: 1.00 (direct), 10th: 0.74 (overdrive), Reverse: 12.55 |
| input-shaft | 10 splines, 1.75 inch diameter |
| output-shaft | 41 splines, 2.0 inch diameter |
| overall-length | 38.0 inches |
10-speed manual Class 8 Roadranger with overdrive top gear and 1,450 lb-ft rating. RTX indicates Fuller Roadranger Top-Loaded (Eaton naming for the older top-loaded shift mechanism), 14710 indicates the 1,450 lb-ft input torque rating capacity, C is the case design generation. Provides 10 forward speeds (5 main gears with splitter range change) plus reverse. Twin-countershaft design distributes torque across two parallel countershafts. First gear is deep 12.55:1 for heavy launches; 10th gear is overdrive 0.74:1 for highway fuel efficiency. Output yoke is 2.0 inch 41-spline.
RTX-14710C is the lower-torque legacy 10-speed; FRO-16210C is the higher-torque modern variant. RTX-14710C (this listing): 1,450 lb-ft rating, suited for older Class 8 tractors with legacy engines (Cummins ISX older / ISM / N14 / M11, Detroit Series 60, Cat C13 / 3406E, etc.). FRO-16210C (our vaz135 listing): 1,650 lb-ft rating, suited for modern high-torque Class 8 engines (Cummins X15, Detroit DD15 at higher calibrations, PACCAR MX-13 at higher calibrations). For modern engines producing above 1,450 lb-ft (Cummins X15 at 2,050 lb-ft, DD16 at 2,050 lb-ft), use the FRO-16210C or higher-rated 13-speed RTLO-13710 / 18-speed RTLO-18918 per vaz130 instead of the RTX-14710C.
Legacy lower-torque 10-speed in the broader Eaton manual transmission lineup. The Eaton Fuller Roadranger family includes multiple options across Class 8: RTX-14710C 10-speed (this listing, 1,450 lb-ft legacy); FRO-16210C 10-speed (vaz135, 1,650 lb-ft modern); Eaton 18-Speed Roadranger RTLO-18918 (vaz130, 1,800 lb-ft premium owner-operator with 18 forward speeds plus 4 reverse); Eaton 8LL Roadranger (vaz131, vocational severe-duty with 8 forward speeds plus 4 deep reduction Low Low gears). All share the same proven twin-countershaft Eaton durability.
Legacy Class 8 truck diesel engines producing up to 1,450 lb-ft torque. Cummins: ISX (older models), ISM, N14, M11. Detroit Diesel: DD13, DD15 calibrated to 1,450 lb-ft or lower, Detroit Series 60 12.7L. Caterpillar: C15 (lower-rated configurations), C13, 3406E mechanical and electronic. PACCAR: MX-13 lower-rated, MX-11. Volvo: D13 lower-rated, D12, D11. Mack: MP7, E7 where compatible. The RTX-14710C is NOT appropriate for modern higher-torque engines (Cummins X15 2,050 lb-ft, Detroit DD16 2,050 lb-ft) , use the FRO-16210C per vaz135 for those.
Eaton-signature Roadranger architecture distributing torque across two parallel countershafts. In a single-countershaft transmission, torque transfers through one countershaft handling full input torque. In the twin-countershaft Eaton design, torque splits across two countershafts in parallel, each handling approximately half. The split-torque architecture allows each countershaft to be smaller and lighter, distributes wear and bearing loading across more components, and contributes to the Eaton Roadranger durability reputation. A signature Eaton feature shared across the RTX, FRO, 18-speed, and 8LL families.
10th gear with 0.74:1 ratio for highway fuel economy. The RTX-14710C overdrive 10th gear has a ratio of 0.74:1, meaning the output shaft turns 1.35 times for every input shaft revolution. This effectively lowers engine RPM at highway cruising speeds (typical 1,300-1,400 RPM at 65 mph) compared to a direct-drive (1:1) transmission, improving fuel economy and reducing engine wear during long-distance highway operation. The overdrive 10th gear is one of the RTX-14710C key fuel economy features for long-haul Class 8 service.
Pneumatic high / low range selector that doubles the gear count. The RTX-14710C provides 10 forward speeds through 5 main gear positions and a splitter range change selecting between high and low range. With splitter in low, the 5 main gears provide gears 1-5; with splitter shifted to high, the same positions provide gears 6-10. Driver shifts main gears using H-pattern shifter and shifts splitter using a thumb-operated toggle. We verify splitter air valve function on every RTX-14710C; pneumatic supply must be properly connected at installation.
No. There is no core return required.
Bartholomew K. –
Got an RTX-14710C for a 2004 Freightliner Columbia with Detroit Series 60 12.7L long-haul replacement. Model designation correctly identified as RTX-14710C with 1,450 lb-ft (matching the Detroit Series 60 12.7L torque output), donor Columbia documented, engine pairing confirmed, all 10 forward gears and reverse tested through main and splitter positions, overdrive 10th gear (0.74:1) engagement specifically verified. Honest pre-purchase information about Eaton Roadranger family position (RTX-14710C 1,450 lb-ft legacy vs FRO-16210C per vaz135 1,650 lb-ft modern, vs Eaton 18-speed Roadranger per vaz130 premium, vs Eaton 8LL per vaz131 vocational).
Wilhelmina T. –
Sourced an RTX-14710C for a Kenworth T660 with Cummins ISM application. Donor T660 documented, engine pairing confirmed as Cummins ISM (within RTX-14710C 1,450 lb-ft rating), all 10 forward gears tested, twin-countershaft design verified clean, overdrive 10th gear engagement verified. Honest pre-purchase information about Eaton synthetic lubricant interval (Roadranger SAE 50 synthetic) and the RTX vs FRO torque distinction (use FRO-16210C per vaz135 for higher-torque modern engines, RTX-14710C for legacy 1,450 lb-ft applications).