Setups
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Gearing
Stock gearing for the Tamiya TT-01E Eurotruck, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 15T | 4.07 | 10.57 |
| 16T | 3.81 | 9.91 |
| 17T | 3.59 | 9.33 |
| 18T | 3.39 | 8.81 |
| 19T | 3.21 | 8.35 |
| 20T | 3.05 | 7.93 |
| 21T | 2.90 | 7.55 |
| 22T | 2.77 | 7.21 |
| 23T | 2.65 | 6.90 |
| 24T | 2.54 | 6.61 |
| 25T | 2.44 | 6.34 |
| 26T | 2.35 | 6.10 |
| 27T | 2.26 | 5.87 |
| 28T | 2.18 | 5.66 |
| 29T | 2.10 | 5.47 |
| 30T | 2.03 | 5.29 |
| 31T | 1.97 | 5.12 |
| 32T | 1.91 | 4.96 |
| 33T | 1.85 | 4.81 |
| 34T | 1.79 | 4.66 |
| 35T | 1.74 | 4.53 |
What pinion should I run?
Tell us your motor and track and get a starting pinion for the Tamiya TT-01E Eurotruck, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the Tamiya TT-01E Eurotruck?
It depends on your motor and the track. A hotter motor (lower turns, higher KV) takes a smaller pinion; a tight track wants a lower gear than an open one. Start near the middle of the pinions the TT-01E Eurotruck shipped with, run a few minutes, and check motor temperature before going up a tooth. The So Dialed Pinion Recommender gives a starting pinion for your motor where we have class data.
What is the internal ratio (transmission ratio) of the Tamiya TT-01E Eurotruck?
The TT-01E Eurotruck has an internal ratio of 2.6:1. Final drive ratio = spur ÷ pinion × 2.6. With the stock 61T spur, a 15T pinion gives an FDR of 10.57 and a 35T gives 4.53.
How many teeth is the stock spur gear on the Tamiya TT-01E Eurotruck?
61 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Setup Help
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