{
 "slug": "small-engines",
 "name": "Small Engines",
 "root": "tools-hardware",
 "unit": "each",
 "unit_as_designed": null,
 "unit_note": "Count complete engines: one listed engine is one each; multiply by the number of engines in a multi-pack. Compare prices only among engines that match the intended equipment and its compatibility requirements.",
 "gpc": null,
 "google_product_category": {
  "id": 499982,
  "path": "Hardware > Small Engines"
 },
 "taxonomy": {
  "shopify": {
   "id": "gid://shopify/TaxonomyCategory/ha-12",
   "path": "Hardware > Small Engines",
   "attributes": [
    {
     "name": "Color",
     "handle": "color",
     "values": [
      "Beige",
      "Black",
      "Blue",
      "Bronze",
      "Brown",
      "Clear",
      "Gold",
      "Gray",
      "Green",
      "Multicolor",
      "Navy",
      "Orange",
      "Pink",
      "Purple",
      "Red",
      "Rose gold",
      "Silver",
      "White",
      "Yellow"
     ]
    },
    {
     "name": "Engine design",
     "handle": "engine-design",
     "values": [
      "2-stroke",
      "4-stroke",
      "Other"
     ]
    },
    {
     "name": "Engine purpose",
     "handle": "engine-purpose",
     "values": [
      "ATV",
      "Chainsaw",
      "Generator",
      "Lawnmower",
      "Leaf blower",
      "Motorcycle",
      "Outboard",
      "Pressure washer",
      "Snow blower",
      "Weed trimmer",
      "Other"
     ]
    },
    {
     "name": "Fuel supply",
     "handle": "fuel-supply",
     "values": [
      "Avgas",
      "Biofuel",
      "Diesel",
      "Electric",
      "Flex fuel",
      "Gasoline",
      "Hybrid",
      "Jet fuel",
      "Mogas",
      "Petrol",
      "Plug-in hybrid",
      "Other"
     ]
    },
    {
     "name": "Pattern",
     "handle": "pattern",
     "values": [
      "Abstract",
      "Animal",
      "Art",
      "Bead & reel",
      "Birds",
      "Brick",
      "Bull's eye",
      "Camouflage",
      "Characters",
      "Checkered",
      "Chevron",
      "Chinoiserie",
      "Christmas",
      "Collage",
      "Coral",
      "Damask",
      "Diagonal",
      "Diamond",
      "Dog's tooth",
      "Dots",
      "Egg & dart",
      "Ethnic",
      "Everlasting knot",
      "Floral",
      "Fret",
      "Geometric",
      "Guilloche",
      "Hearts",
      "Illusion",
      "Lace"
     ]
    },
    {
     "name": "Shaft orientation",
     "handle": "shaft-orientation",
     "values": [
      "Horizontal",
      "Vertical",
      "Other"
     ]
    },
    {
     "name": "Start type",
     "handle": "start-type",
     "values": [
      "Electric",
      "Pull",
      "Other"
     ]
    }
   ]
  },
  "google": {
   "id": 499982,
   "path": "Hardware > Small Engines"
  }
 },
 "fields": [
  {
   "key": "engine_purpose",
   "label": "Engine purpose",
   "type": "enum",
   "unit": null,
   "values": [
    "ATV",
    "Chainsaw",
    "Generator",
    "Lawnmower",
    "Leaf blower",
    "Motorcycle",
    "Outboard",
    "Pressure washer",
    "Snow blower",
    "Weed trimmer",
    "Other"
   ],
   "why_it_matters": "The intended equipment determines which engines can do the job."
  },
  {
   "key": "engine_displacement",
   "label": "Engine displacement",
   "type": "number",
   "unit": "cc",
   "values": null,
   "why_it_matters": "Helps establish engine size and whether it meets the host equipment's requirements."
  },
  {
   "key": "horsepower",
   "label": "Horsepower",
   "type": "number",
   "unit": "hp",
   "values": null,
   "why_it_matters": "Indicates available power for the equipment being driven."
  },
  {
   "key": "engine_design",
   "label": "Engine design",
   "type": "enum",
   "unit": null,
   "values": [
    "2-stroke",
    "4-stroke",
    "Other"
   ],
   "why_it_matters": "The equipment may require a particular engine cycle and operating setup."
  },
  {
   "key": "fuel_supply",
   "label": "Fuel supply",
   "type": "enum",
   "unit": null,
   "values": [
    "Avgas",
    "Biofuel",
    "Diesel",
    "Electric",
    "Flex fuel",
    "Gasoline",
    "Hybrid",
    "Jet fuel",
    "Mogas",
    "Petrol",
    "Plug-in hybrid",
    "Other"
   ],
   "why_it_matters": "Must be compatible with the equipment's fuel system and available fuel."
  },
  {
   "key": "shaft_orientation",
   "label": "Shaft orientation",
   "type": "enum",
   "unit": null,
   "values": [
    "Horizontal",
    "Vertical",
    "Other"
   ],
   "why_it_matters": "The shaft orientation must match the equipment's mounting and drive layout."
  },
  {
   "key": "start_type",
   "label": "Start type",
   "type": "enum",
   "unit": null,
   "values": [
    "Electric",
    "Pull",
    "Other"
   ],
   "why_it_matters": "Affects starting convenience and whether the equipment needs a battery or starter setup."
  },
  {
   "key": "max_speed_rpm",
   "label": "Maximum speed",
   "type": "number",
   "unit": "rpm",
   "values": null,
   "why_it_matters": "The engine's operating speed must suit the equipment's drive requirements."
  }
 ],
 "minimum_spec": {
  "description": "There is no universal minimum power or displacement for small engines: choose an engine whose purpose, shaft orientation, fuel, design, and output meet the host equipment's requirements. A lower-priced engine that does not fit or meet those requirements is not a valid substitute.",
  "rules": []
 },
 "premium_dimensions": [
  "engine_displacement",
  "horsepower",
  "engine_design",
  "fuel_supply",
  "shaft_orientation",
  "start_type",
  "max_speed_rpm"
 ],
 "baseline": {
  "item_id": 217788,
  "name": "PREDATOR 13 HP (420cc) OHV Horizontal-Shaft Gas Engine, EPA",
  "unit_price": 299.99,
  "retailer": "harborfreight"
 },
 "items": [
  {
   "id": 217788,
   "name": "PREDATOR 13 HP (420cc) OHV Horizontal-Shaft Gas Engine, EPA",
   "brand": "PREDATOR",
   "gtin": null,
   "category": "small-engines",
   "size": {
    "value": 1.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {},
   "standard_attributes": {
    "Engine design": "4-stroke",
    "Fuel supply": "Gasoline",
    "Shaft orientation": "Horizontal"
   },
   "shopify_category_id": "gid://shopify/TaxonomyCategory/ha-12",
   "meets_minimum_spec": null,
   "tier": null,
   "premium_note": null,
   "best": {
    "unit_price": 299.99,
    "price": 299.99,
    "retailer": "harborfreight",
    "url": "https://www.harborfreight.com/13-hp-420cc-ohv-horizontal-shaft-gas-engine-epa-60340.html"
   },
   "lowest_price": {
    "price": 299.99,
    "retailer": "harborfreight",
    "url": "https://www.harborfreight.com/13-hp-420cc-ohv-horizontal-shaft-gas-engine-epa-60340.html"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "harborfreight",
     "retailer_id": "60340",
     "gtin": null,
     "price": 299.99,
     "currency": "USD",
     "price_usd": 299.99,
     "unit_price": 299.99,
     "availability": "InStock",
     "in_stock": true,
     "seller": "Harbor Freight Tools",
     "first_party": true,
     "shipping": null,
     "size_text": "76 lb.",
     "url": "https://www.harborfreight.com/13-hp-420cc-ohv-horizontal-shaft-gas-engine-epa-60340.html",
     "observed_at": "2026-10-10T04:12:37-04:00",
     "age_minutes_at_build": 17775
    }
   ],
   "url": "/items/217788.json",
   "html": "/items/217788.html",
   "rank": 1
  }
 ],
 "unranked_items": [],
 "n_items": 1,
 "n_priced": 1,
 "url": "/categories/small-engines.json",
 "html": "/categories/small-engines.html"
}