VehiclesTraxxas TXC-4M Extreme CrawlerShock service
Maintenance reference
Shock service
Traxxas TXC-4M Extreme Crawler · 120074-1
120074-1 exact RTR edition in archived manual
← Vehicle service referenceStart with the correct reference
Exact oil fill, seal-stack and bladder assembly. Check 49 mm front and 51 mm rear between rod-end balls after assembly.
- Oil replacement and assembly, PDF pp. 20-21 (opens in a new tab)
Manufacturer procedure · 120074-1 exact archived owner manual
- Conditional rebuild reference, PDF p. 22 (opens in a new tab)
Manufacturer procedure · 120074-1 exact archived owner manual
Parts, tools and consumables
Listed in the reference
- Traxxas 20W silicone shock oil, maker #5031consumable
Exact manual baseline; no cross-brand SAE or wt conversion.
Requirement source, PDF p. 20 (opens in a new tab)
Replace or use as needed
- GTM Pro two-shock rebuild kitpart
Rebuild kit, GTM Pro shocks (o-rings, bladders, pistons, spacers, E-clips, shock caps, lower spring retainers, shock rod ends, bottom caps) (renews 2 shocks)
Inspect first; one kit renews two shocks, not the entire vehicle.
Requirement source, PDF p. 22 (opens in a new tab)
Part links open an exact-model OEM listing. Quantities, reused hardware and condition-dependent replacements may need checking in the manual. A listed part is not an instruction to replace it.
Setup specifications
- Shocks
- Oil-filled front and rearStock
- Shock length, front
- 49 mm listed lengthStock
- Shock length, rear
- 51 mm listed lengthStock
- Shock oil, front
- 20 wtStockConvert fluid grade
- Shock oil, rear
- 20 wtStockConvert fluid grade
Keep the axle positions and original units shown. Values describe the cited configuration. Replacement-derived and community figures keep their stated basis.