Ford Tractor Flywheels & Ring Gears parts list
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4000, 4600, 4600SU, 5000, 5200, 7000, 7200, 5600, 6600, 7600, 6700, 7700, 5610, 6610, 7610, 6710, 7710, 5640, 6640, 7740, 7840, 8240, 8340, TS90, TS100, TS110 |
Flywheel Hub (20 Spline) |
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E1NNN777AB |
$58.00
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2000–7710, 7740, 8000–9700, TW5–TW35, TB80–TB120, TM115–TM190, TV140, TV145, 250C–260C, 335, 340A–345D, 3500–3550, 420, 4400–455D, 515, 535, 540–545D, 550–555E, 575D–575E, 655–675E, 750–755B, LB75.B–LB115, LS/LX/L skid steers, A62–A66 |
Flywheel Ring Gear (Diesel) |
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C5NE6384A |
$33.00
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2000, 2600, 2610, 2810, 2910, 3000, 335, 340, 3400, 340A, 340B, 3500, 3550, 3600, 3610, 3910, 4000, 420, 4200, 4400, 445, 445A, 450, 4500, 4600, 4610, 5000, 515, 5200, 535, 540, 540A, 540B, 545, 545A, 550, 5500, 555, 555A, 555B, 655, 655A |
Flywheel Ring Gear (Gas) |
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C5NE6384B |
$148.00
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Flywheel ring gears and flywheel hubs for Ford and New Holland tractors, covering gas and diesel applications across decades of agricultural equipment production. Parts include 128-tooth and 162-tooth ring gears plus 20-spline flywheel hubs for a broad range of series from the compact 2000 through the heavy-duty TW and TM lines.
Fits Models At A Glance
- 2000-3000 Series (Gas): 2000, 2600, 2610, 2810, 2910, 3000, 3600, 3610, 3910
- 4000-5000 Series (Gas/Diesel): 4000, 4200, 4600, 4600SU, 5000, 5200, 5600, 5610, 5640
- 6000-7000 Series: 6600, 6610, 6640, 6700, 6710, 7000, 7200, 7600, 7610, 7700, 7710, 7740, 7840
- 8000-9700 Series: 8000, 8240, 8340, 9700
- TW Series: TW5, TW15, TW25, TW35
- TM/TV Series: TM115, TM125, TM135, TM150, TM165, TM190, TV140, TV145
- TB Series: TB80, TB90, TB100, TB110, TB120
- TS Series: TS90, TS100, TS110
Key Notes
- Ring Gear Tooth Count: 162-tooth for gas tractors; 128-tooth for diesel tractors
- Flywheel Hub Spline: 20-spline design fits 4000 through TS Series
- Application: Starter engagement and power transfer from engine to drivetrain
- Part Numbers: C5NE6384B (162T gas), C5NE6384A (128T diesel), E1NNN777AB (flywheel hub)
Why Choose Broken Tractor
- ✅ Broad model coverage from 2000 to TM Series
- ✅ Gas and diesel ring gear options available
- ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
Frequently Asked Questions
What is a ring gear on a flywheel?
A flywheel ring gear is the toothed ring around the outer edge of the flywheel that the starter engages to turn the engine over. Broken Tractor carries replacement ring gears for Ford and New Holland tractors in a 162 tooth version for gas engines (C5NE6384B) and a 128 tooth version for diesel engines (C5NE6384A).
What is the difference between a flywheel and a ring gear?
The flywheel transfers power from the engine to the drivetrain, and the ring gear is the toothed ring on the flywheel's outer edge that the starter engages. The ring gear is a separate part from the flywheel, which is why Broken Tractor sells it on its own. We also carry a 20-spline flywheel hub (E1NNN777AB) for many Ford 4000 through TS Series tractors.
Can I replace just the ring gear on a Ford tractor flywheel?
Yes, the ring gear is sold as its own part, so you can replace a worn ring gear without buying a complete flywheel. Choose the correct tooth count for your engine: the 162 tooth ring gear for gas tractors or the 128 tooth ring gear for diesel tractors.
How do I know if my Ford tractor needs a 162 tooth or 128 tooth ring gear?
Gas Ford tractors use the 162 tooth ring gear (C5NE6384B), and diesel Ford and New Holland tractors use the 128 tooth ring gear (C5NE6384A). The gas ring gear fits models such as the 2000, 2600, 3000, 3600, 4000, 4600, 5000 and 5200. The diesel ring gear covers models such as the 2000 through 7710, 7740, 8000 through 9700, TW5 through TW35, TB80 through TB120 and TM115 through TM190. Count the teeth on your old gear or match the part number, and if you are unsure call (800) 909-7060.
Which Ford tractors use the 20-spline flywheel hub?
The 20-spline flywheel hub (E1NNN777AB) fits Ford 4000, 4600, 4600SU, 5000, 5200, 5600, 5610, 5640, 6600, 6610, 6640, 6700, 6710, 7000, 7200, 7600, 7610, 7700, 7710, 7740, 7840, 8240 and 8340 tractors. It also fits the New Holland TS90, TS100 and TS110. Match the part number from your old hub to confirm fitment before ordering.
