{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "arrma-big-rock-4x4-3s-blx",
 "name": "ARRMA Big Rock 4X4 3S BLX (1/10 monster truck, ARA4312V3)",
 "kind": "modern",
 "category": "RC cars",
 "group": "Monster & bash trucks",
 "year": null,
 "question": "What are the dimensions of the ARRMA Big Rock 4X4 3S BLX?",
 "tags": [
  "rc car",
  "rc truck",
  "radio control",
  "hobby rc",
  "monster & bash trucks"
 ],
 "aliases": [
  "arrma big rock dimensions",
  "big rock 3s size",
  "big rock wheelbase",
  "big rock battery size",
  "big rock crew cab length",
  "ara4312v3 specs",
  "medidas arrma big rock",
  "arrma big rock maße",
  "arrma big rock 4x4 3s blx specs"
 ],
 "overall_mm": {
  "length": 514,
  "width": 328,
  "height": 201
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/arrma-big-rock-4x4-3s-blx/",
 "sheet_txt": "https://xemstudio.com/objects/arrma-big-rock-4x4-3s-blx/sheet.txt",
 "sheet": {
  "basis": "Secondary source: ARRMA (Horizon Hobby), Big Squid RC (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 514,
   "width": 328,
   "height": 201
  },
  "notes": [
   "The Big Rock is ARRMA's 1/10 3S crew-cab monster truck. The file is a 514 × 328 × 201 mm envelope; the length comes from Big Squid RC's spec list because the ARRMA page lists 327 mm, which is the wheelbase.",
   "Wheel hex and track are not published on these pages.",
   "True size, no printing tolerance added. Only published numbers are used; anything not published is said so.",
   "Secondary source: the numbers come from a retailer or magazine copy of the maker's specification."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Length",
     "514 mm (review spec list; the ARRMA page repeats the wheelbase value here)"
    ],
    [
     "Width",
     "12.91 in (328 mm)"
    ],
    [
     "Height",
     "201 mm"
    ],
    [
     "Wheelbase",
     "12.87 in (327 mm)"
    ],
    [
     "Ground clearance",
     "55 mm (review spec list)"
    ],
    [
     "Weight",
     "6.25 lb (2.84 kg)"
    ],
    [
     "Outer diameter (tire)",
     "5.12 in (130 mm)"
    ],
    [
     "Battery tray (blocks fitted)",
     "140 × 51 × 48 mm"
    ],
    [
     "Max battery (blocks removed)",
     "165 × 51 × 48 mm"
    ],
    [
     "Motor",
     "BLX3660 3200 Kv"
    ],
    [
     "Servo",
     "ADS-7M"
    ]
   ]
  }
 },
 "sheet_text": "ARRMA Big Rock 4X4 3S BLX (1/10 monster truck, ARA4312V3) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/arrma-big-rock-4x4-3s-blx/  (sheet CC BY 4.0)\nBasis: Secondary source: ARRMA (Horizon Hobby), Big Squid RC (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 514, width 328, height 201\n- The Big Rock is ARRMA's 1/10 3S crew-cab monster truck. The file is a 514 × 328 × 201 mm envelope; the length comes from Big Squid RC's spec list because the ARRMA page lists 327 mm, which is the wheelbase.\n- Wheel hex and track are not published on these pages.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.\n\ndimension  value\nLength  514 mm (review spec list; the ARRMA page repeats the wheelbase value here)\nWidth  12.91 in (328 mm)\nHeight  201 mm\nWheelbase  12.87 in (327 mm)\nGround clearance  55 mm (review spec list)\nWeight  6.25 lb (2.84 kg)\nOuter diameter (tire)  5.12 in (130 mm)\nBattery tray (blocks fitted)  140 × 51 × 48 mm\nMax battery (blocks removed)  165 × 51 × 48 mm\nMotor  BLX3660 3200 Kv\nServo  ADS-7M\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- ARRMA (Horizon Hobby): ARRMA 1/10 Big Rock 3S 4X4 RTR — web — Publisher's page; dimensions are facts — https://www.arrma-rc.com/en/product/arrma-1-10-big-rock-3s-4x4-rtr-brushless-monster-truck-blue/ARA102723.html\n- Big Squid RC: ARRMA Big Rock Crew Cab 1/10 monster truck — web — Publisher's page; dimensions are facts — https://www.bigsquidrc.com/arrma-big-rock-crew-cab-1-10-scale-monster-truck/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/arrma-big-rock-4x4-3s-blx/index.json\nAPI: https://xemstudio.com/api/geometry?object=arrma-big-rock-4x4-3s-blx\n",
 "sources": [
  {
   "publisher": "ARRMA (Horizon Hobby)",
   "title": "ARRMA 1/10 Big Rock 3S 4X4 RTR",
   "url": "https://www.arrma-rc.com/en/product/arrma-1-10-big-rock-3s-4x4-rtr-brushless-monster-truck-blue/ARA102723.html",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Big Squid RC",
   "title": "ARRMA Big Rock Crew Cab 1/10 monster truck",
   "url": "https://www.bigsquidrc.com/arrma-big-rock-crew-cab-1-10-scale-monster-truck/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "traxxas-stampede-4x4-vxl",
  "traxxas-hoss-4x4-vxl",
  "traxxas-maxx-4s",
  "traxxas-x-maxx-8s"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "What battery fits the ARRMA Big Rock?",
   "a": "Up to 165 × 51 × 48 mm with the blocks removed."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "arrma-big-rock-4x4-3s-blx-envelope",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/arrma-big-rock-4x4-3s-blx/arrma-big-rock-4x4-3s-blx-envelope.step",
   "stl": "https://xemstudio.com/files/hardware/arrma-big-rock-4x4-3s-blx/arrma-big-rock-4x4-3s-blx-envelope.stl",
   "note": "Envelope 514 × 328 × 201 mm (Ready-to-run truck with body; length from a review spec list)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/arrma-big-rock-4x4-3s-blx/index.md"
}