Factory stock specs
| Power | ⚡ Electric |
|---|
| Category | Cars, Trucks & Buggies |
|---|
| Scale | 1/10 |
|---|
| Discipline | 4WD rock racer (U4) |
|---|
| Released | 2022 |
|---|
| Stock motor | Spektrum 3150kV brushless |
|---|
| Stock ESC | Spektrum Smart 130A brushless |
|---|
| Stock servo | Waterproof steering servo (included) |
|---|
| Battery | Not included (up to 3S LiPo) |
Blank fields aren't published by the manufacturer — we leave them empty rather than invent a number.
Worth knowing
RTR 4WD U4 rock racer with Smart and AVC; SR6200A DSMR receiver with telemetry (live battery voltage). Licensed Casey Currie U4 racer. 40 mph. (Model LOS03030.)
This is a canonical model page.
Own one? Build it in your garage and attach it to this model — your rig starts from these stock specs, so you only log what you changed.
+ Build my Hammer Rey
Manufacturer page ↗
📖 Manuals, guides & files
No manuals or files linked yet. Got the instruction manual, an exploded diagram or a setup sheet for this model?
Join free to add one and help the crew. Only share files you have the right to.
⭐ Reviews
No reviews yet. Log in to be the first to review it.
Log in to review — free, takes a sec.
Specs verified from: losi.com / horizonhobby.com