VehiclesRC4WD Trail Finder 2 RTR 1985 Toyota Pickup

RC4WD Trail Finder 2 RTR 1985 Toyota Pickup
1/10 scale · scale crawler · Z-RTR0072
- Final drive
- 31.90:1

Specifications
Last modified
| Spec | Value | Basis |
|---|---|---|
| Drivetrain | ||
| Pinion | 14TStock | Stock |
| Spur | 64TStock | Stock |
| Transmission & axle | 6.99:1Derived | Derived |
| Final drive | 31.90:1Stock | Stock |
| Wheels & tires | ||
| Tire diameter | Not published | |
| Power | ||
| Motor | Not applicable | |
| Battery | Up to 3SLiPoStock | Stock |
| Performance | ||
| Theoretical top speed | Not applicable | |
| Vehicle | ||
| Part number | Z-RTR0072 | |
| Scale | 1/10 | |
| Class | Scale crawler | |
Stock is as the vehicle ships. Calculated is worked from the stock figures on this page rather than stored beside them, so the two cannot drift apart. Derived is worked out from gear tooth counts the maker publishes rather than printed as a ratio; the notes below say how. Not applicable means the vehicle does not come with it, like the motor on a roller or the tires on a race kit, or does not have one, like a KV rating on a brushed motor. Not published means it exists but no source we could find prints it.
Gearing parts
| Component | Teeth | Pitch | Bore | Part number |
|---|---|---|---|---|
| Fitted at the factory | ||||
| Pinion | 14T | 32P | Not published | Z-S0430 |
| Spur | 64T | Not recorded | Not applicable | Not recorded |
Tooth counts are the ones in the specifications above. Pitch is given as metric module (Mod 1, Mod 0.8) or diametral pitch (32P, 48P). They are different standards and are not interchangeable, even where the numbers look close. Bore is the pinion’s hole, listed separately from the motor shaft.
How these numbers were settled
RC4WD's manual for this truck prints the whole drivetrain: a 14T pinion on a 64T spur (4.57:1), the R3 single-speed transmission at 1.78:1, the Hammer transfer case at 1.47:1 and 15/40 axle gears at 2.67:1, for a printed final drive of 31.9:1.
- The ratio after the spur is the product of the three printed stages, 1.78 x 1.47 x 2.67 = 6.99, and 64/14 x 6.99 = 31.94 matches the printed total.
- The motor is RC4WD's 45T brushed 540 crawler can, so there is no KV.
- The axles are Yota II cast axles.
- The tires are BFGoodrich Mud-Terrain T/A KM2 1.7 white letter tires; no outer diameter for that tire was found, so the tire size is left blank.
- The Outcry III ESC is rated '2-3S LiPo or 5-9 NiMH' in RC4WD's own ESC sheet; the truck ships with a 6-cell NiMH pack.
Documents
- ManualInstruction manual (RC4WD PDF) (opens in a new tab)Pinion Z-S0430 in replacement parts, PDF p. 38
Sources
- Manual (PDF)rc4wd.com (opens in a new tab)
- Manual (PDF)rc4wd.com (opens in a new tab)
- Manual (PDF)rc4wd.com (opens in a new tab)
Every figure on this page traces to one of these. Where they disagreed, the note above says which was used and why.
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