MODEL DATA / ARA7816T1 2026-11-04
LIMITLESS 120 8S specs and buying notes
Arrma / ARA7816T1
LIMITLESS 120 8S is a 1/7 speed run with 4WD and a brushless motor. The maker lists $799.99 (USD maker list price).
Exact package ARA7816T1. Maker list price is the USD list-price record for this variant, read 2026-11-04. RTR/RTF means assembled; check the separate-purchase list.
Speed run · 4WD
Brushless
- Maker list price / USD
- $799.99
- Source read
- 2026-11-04
- Drive battery included
- No — separate purchase
- Charger included
- No — separate purchase
What else must you buy?
(2) 4S or (2) 3S Hardcase LiPo Battery Packs; (1) Compatible Charger; (1) Charging Bag
Check the charging setup ↗What comes in the box?
(1) ARRMA LIMITLESS 120 8S BLX 4X4 Speed Machine RTR; (1) Spektrum Firma 160A Smart V2 Waterproof ESC 6S/8S; (1) Spektrum SR6200A DSMR 6-Channel AVC Surface Receiver; (1) Spektrum Firma 4685 1450Kv Brushless Motor; (1) ARRMA Heatsink and Dual Cooling Fans; (1) Spektrum S665 Waterproof Metal Gear Digital Steering Servo; (1) Spektrum DX3 Smart 3-Channel 2.4GHz Transmitter; (4) AA Batteries; (1) Instruction Manual; Misc. Tools; * For details on waterproof standards, please refer to the product instruction manuals.
How large is this exact model?
Bars compare published measurements against the catalogue’s largest value. They describe size, not performance.
What specifications does the maker publish?
| Field | Maker data |
|---|---|
| Scale | 1/7 |
| Vehicle type | Speed run |
| Drive | 4WD |
| Length (mm) | 730 |
| Width (mm) | 312 |
| Height (mm) | 165 |
| Wheelbase (mm) | 405 |
| Weight (g; maker basis) | 5,280 |
| Motor | (1) Spektrum Firma 4685 1450Kv Brushless Motor |
| Motor type | Brushless |
| Motor kV (rpm/volt) | 1450 |
| Electronic speed control (ESC) | (1) Spektrum Firma 160A Smart V2 Waterproof ESC 6S/8S |
| Recommended battery | (2) 4S or (2) 3S Hardcase LiPo Battery Packs |
| Pack cells in series | not published |
| Pack nominal voltage (V) | not published |
| Battery connector | not published |
| Maker speed claim and setup | 120+ mph with optional included speed gearing and 8S power; maker claim, closed course only |
| Maker water wording | Waterproof electronics listed; component claim, not immersion permission |
| In the box | (1) ARRMA LIMITLESS 120 8S BLX 4X4 Speed Machine RTR; (1) Spektrum Firma 160A Smart V2 Waterproof ESC 6S/8S; (1) Spektrum SR6200A DSMR 6-Channel AVC Surface Receiver; (1) Spektrum Firma 4685 1450Kv Brushless Motor; (1) ARRMA Heatsink and Dual Cooling Fans; (1) Spektrum S665 Waterproof Metal Gear Digital Steering Servo; (1) Spektrum DX3 Smart 3-Channel 2.4GHz Transmitter; (4) AA Batteries; (1) Instruction Manual; Misc. Tools; * For details on waterproof standards, please refer to the product instruction manuals. |
| Drive battery included | No — separate purchase |
| Charger included | No — separate purchase |
| Maker list price (USD) | $799.99 |
| Supplied capacity (mAh) | not published |
| Tire diameter (in) | not published |
| Total gear ratio | not published |
| Ready-to-run / ready-to-fly | Yes |
| Maker age guidance | not published |
| Separate purchases per maker | (2) 4S or (2) 3S Hardcase LiPo Battery Packs; (1) Compatible Charger; (1) Charging Bag |
Source: Exact maker document read 2026-11-04. A different source is shown beside the affected field. “Not published” means no supported value was captured, including access gaps.
Which similar models can you compare?
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- Arrma LIMITLESS 120 8S maker specifications Exact package ARA7816T1. Maker list price is the USD list-price record for this variant, read 2026-11-04. RTR/RTF means assembled; check the separate-purchase list.