{
    "id": 1153,
    "date": "2026-08-10T16:57:48",
    "date_gmt": "2026-08-10T08:57:48",
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    "modified": "2026-08-11T09:29:56",
    "modified_gmt": "2026-08-11T01:29:56",
    "slug": "hino-flywheel-specs-compatibility-oem-numbers",
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    "title": {
        "rendered": "HINO Flywheel: Specs, Compatibility & OEM Numbers | Complete Buyer’s Guide"
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        "rendered": "<article>\n<h1>HINO Flywheel: Specs, Compatibility &#038; OEM Numbers<\/h1>\n<p>A practical buying guide for HINO trucks. Covers EF750, EK100, EH700, EP100, E13C and F-series flywheels with specs, ring gear tooth counts, truck model compatibility, OEM reference patterns, and what to check before you quote.<\/p>\n<div class=\"toc\">\n<h2>Table of Contents<\/h2>\n<ul>\n<li><a href=\"#why\">Why HINO Flywheels Are a Common Replacement Part<\/a><\/li>\n<li><a href=\"#specs\">Core Specs That Matter for a HINO Flywheel<\/a><\/li>\n<li><a href=\"#compat\">HINO Flywheel Compatibility by Engine Family<\/a><\/li>\n<li><a href=\"#oem\">OEM Reference Numbers for Popular HINO Flywheels<\/a><\/li>\n<li><a href=\"#identify\">How to Identify the Correct HINO Flywheel Before Quoting<\/a><\/li>\n<li><a href=\"#failure\">Common Failure Signs on HINO Trucks<\/a><\/li>\n<li><a href=\"#price\">Price and MOQ Reference for HINO Flywheels<\/a><\/li>\n<li><a href=\"#oem-vs-aftermarket\">OEM vs Aftermarket HINO Flywheels: What Buyers Should Know<\/a><\/li>\n<li><a href=\"#sourcing\">Sourcing HINO Flywheels from China: Practical Tips<\/a><\/li>\n<li><a href=\"#faq\">Frequently Asked Questions<\/a><\/li>\n<li><a href=\"#quote\">Get a Quote<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"why\">Why HINO Flywheels Are a Common Replacement Part<\/h2>\n<p>HINO trucks have a long service life. Many fleets in Southeast Asia, the Middle East, Africa and Latin America still operate 10\u201320 year old HINO heavy-duty models such as the Ranger, Super Dolphin, Profia, and 500 series. The engines behind these trucks, including E13C, EF750, EK100, EH700, EP100 and F17D, share one trait: the flywheel is a wear item that has to be replaced at least once during the truck&#8217;s working life.<\/p>\n<p>The most common reasons a HINO flywheel gets replaced:<\/p>\n<ul>\n<li>Worn ring gear teeth from cranking wear, often after 80,000\u2013120,000 starts<\/li>\n<li>Clutch refurbishment on a truck that has run 250,000+ km<\/li>\n<li>Cracked web section from heat cycling or starter motor pinion impact<\/li>\n<li>Flywheel machining (refacing) reaching its minimum thickness limit<\/li>\n<li>Conversion from manual to automated manual transmission (AMT) on certain fleet refits<\/li>\n<\/ul>\n<p>For distributors and importers, this makes HINO a steady aftermarket part with predictable demand. For one-off buyers, it makes finding the right replacement a recurring headache, since each engine family uses a different flywheel with its own tooth count, bolt pattern, weight and OEM reference.<\/p>\n<h2 id=\"specs\">Core Specs That Matter for a HINO Flywheel<\/h2>\n<p>Before you contact any supplier, get these four specs from your existing flywheel or from the engine plate:<\/p>\n<ul>\n<li>Outer diameter (mm) drives torque capacity and starter ring fit<\/li>\n<li>Ring gear tooth count must match the starter motor pinion (typical HINO counts: 129T, 130T, 136T, 142T)<\/li>\n<li>Bolt circle \/ pilot bore \/ bolt count ensures it bolts to the crankshaft flange<\/li>\n<li>Weight (kg) matters for balancing and shipping cost<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Spec<\/th>\n<th>Typical range across HINO engines<\/th>\n<th>Why it matters<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Outer diameter<\/td>\n<td>380\u2013485 mm<\/td>\n<td>Defines flywheel class (medium vs heavy)<\/td>\n<\/tr>\n<tr>\n<td>Thickness<\/td>\n<td>35\u201355 mm<\/td>\n<td>Refacing limit, heat capacity<\/td>\n<\/tr>\n<tr>\n<td>Ring gear teeth<\/td>\n<td>129T, 130T, 132T, 136T, 142T<\/td>\n<td>Starter pinion match<\/td>\n<\/tr>\n<tr>\n<td>Material<\/td>\n<td>QT600-3 ductile iron or GG25 grey iron<\/td>\n<td>Strength, machinability<\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td>18\u201345 kg<\/td>\n<td>Engine balance class<\/td>\n<\/tr>\n<tr>\n<td>Surface finish<\/td>\n<td>Ra 1.6 on friction face<\/td>\n<td>Clutch plate bedding<\/td>\n<\/tr>\n<tr>\n<td>Dynamic balance grade<\/td>\n<td>G6.3 at rated RPM<\/td>\n<td>NVH and bearing life<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Two HINO flywheels with the same tooth count are not automatically interchangeable. The crank pilot, bolt pattern, and friction-face thickness differ between E-series, F-series and older EH\/EK families. Always cross-check before quoting.<\/p>\n<h2 id=\"compat\">HINO Flywheel Compatibility by Engine Family<\/h2>\n<p>HINO has shipped dozens of engine families over five decades. The most commonly replaced flywheels in the aftermarket fall into three buckets:<\/p>\n<h3>Medium-duty (legacy, 6\u201310 ton class)<\/h3>\n<table>\n<thead>\n<tr>\n<th>Engine<\/th>\n<th>Truck models<\/th>\n<th>Years<\/th>\n<th>Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>EH700<\/td>\n<td>Ranger, Dolphin older series<\/td>\n<td>1980s\u20131990s<\/td>\n<td>F15-4 variant common<\/td>\n<\/tr>\n<tr>\n<td>EK100<\/td>\n<td>Ranger 4-ton, medium trucks<\/td>\n<td>1980s\u20131990s<\/td>\n<td>Older F17 variant<\/td>\n<\/tr>\n<tr>\n<td>EP100<\/td>\n<td>Light-duty trucks, mid-size buses<\/td>\n<td>1990s<\/td>\n<td>9-hole flange variant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Heavy-duty (12 ton and above)<\/h3>\n<table>\n<thead>\n<tr>\n<th>Engine<\/th>\n<th>Truck models<\/th>\n<th>Years<\/th>\n<th>Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>EF750<\/td>\n<td>Ranger, Super Dolphin heavy<\/td>\n<td>1990s<\/td>\n<td>High demand in export markets<\/td>\n<\/tr>\n<tr>\n<td>F17D, F20C, F21C<\/td>\n<td>Profia, 500 series<\/td>\n<td>1990s\u20132000s<\/td>\n<td>Common in long-haul fleets<\/td>\n<\/tr>\n<tr>\n<td>E13C<\/td>\n<td>Profia, 700 series<\/td>\n<td>2000s\u2013present<\/td>\n<td>Latest heavy-duty platform<\/td>\n<\/tr>\n<tr>\n<td>P11C<\/td>\n<td>Ranger, 500 series<\/td>\n<td>2000s\u2013present<\/td>\n<td>Hybrid\/urban variants<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>New generation (current production)<\/h3>\n<table>\n<thead>\n<tr>\n<th>Engine<\/th>\n<th>Truck models<\/th>\n<th>Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>A05C<\/td>\n<td>300 series light-duty<\/td>\n<td>Smaller flywheel class<\/td>\n<\/tr>\n<tr>\n<td>J05E, J08E<\/td>\n<td>500 series medium<\/td>\n<td>Common in mixed fleets<\/td>\n<\/tr>\n<tr>\n<td>E13C (current)<\/td>\n<td>Profia, 700 series<\/td>\n<td>Continues legacy platform<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For the widest range of HINO flywheels in stock, look for suppliers who can cover both legacy and current-generation engines. Most aftermarket demand sits in the legacy bucket because that is what older trucks still on the road actually need.<\/p>\n<h2 id=\"oem\">OEM Reference Numbers for Popular HINO Flywheels<\/h2>\n<p>HINO OEM part numbers typically follow the format 31160-XXXXXX or 31250-XXXXXX for the flywheel assembly, with the ring gear carrying its own reference. The exact 6-digit suffix varies by engine serial range and production year, which is why quoting requires your engine serial number or an existing sample.<\/p>\n<p>The table below is a <strong>reference pattern<\/strong>, not a guaranteed cross-reference. Always confirm against the part number stamped on your existing flywheel or on the engine data plate.<\/p>\n<table>\n<thead>\n<tr>\n<th>Engine<\/th>\n<th>OEM reference pattern<\/th>\n<th>Teeth<\/th>\n<th>OD (mm)<\/th>\n<th>Typical weight (kg)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>EF750<\/td>\n<td>31160-E0030 (typical)<\/td>\n<td>130T<\/td>\n<td>430<\/td>\n<td>~33<\/td>\n<\/tr>\n<tr>\n<td>EK100<\/td>\n<td>31150-E0020 (typical)<\/td>\n<td>130T<\/td>\n<td>410<\/td>\n<td>~30<\/td>\n<\/tr>\n<tr>\n<td>EH700 (F15-4)<\/td>\n<td>31160-1080 (typical)<\/td>\n<td>129T<\/td>\n<td>380<\/td>\n<td>~22<\/td>\n<\/tr>\n<tr>\n<td>EP100 (9-hole)<\/td>\n<td>31150-E0010 (typical)<\/td>\n<td>130T<\/td>\n<td>360<\/td>\n<td>~18<\/td>\n<\/tr>\n<tr>\n<td>F17D<\/td>\n<td>31160-1181 (typical)<\/td>\n<td>132T<\/td>\n<td>430<\/td>\n<td>~32<\/td>\n<\/tr>\n<tr>\n<td>E13C<\/td>\n<td>31250-E0021 (typical)<\/td>\n<td>142T<\/td>\n<td>485<\/td>\n<td>~45<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p>Suffix digits differ by serial range. Provide your engine plate number or sample flywheel when you request a quote, and we will confirm the exact reference before production.<\/p><\/blockquote>\n<figure>\n<img decoding=\"async\" src=\"https:\/\/www.changweiintl.com\/wp-content\/uploads\/2026\/08\/1786352255-hino-ef750-flywheel-scaled.jpg\" alt=\"HINO EF750 flywheel front view with stamped identification showing 130T ring gear and dual friction surface\" loading=\"lazy\"><figcaption>Pictured: HINO EF750 flywheel, 130T ring gear, dual friction-surface flywheel, IATF 16949 controlled production.<\/figcaption><\/figure>\n<p>For engine families not listed above (J05E, J08E, P11C, A05C, F20C, F21C), the same logic applies \u2014 supply the OEM reference from your existing part or the engine plate, and we will match against our catalog or build a sample for verification.<\/p>\n<h2 id=\"identify\">How to Identify the Correct HINO Flywheel Before Quoting<\/h2>\n<p>Three reliable methods, in order of accuracy:<\/p>\n<p><strong>1. Read the OEM stamp on the existing flywheel.<\/strong> Almost every HINO flywheel has its part number laser-etched or stamped on the web face, usually near the ring gear. Photograph it before sending your enquiry. This is the fastest and most accurate route.<\/p>\n<p><strong>2. Read the engine data plate.<\/strong> Mounted on the engine block, usually on the valve cover or timing case. It carries the engine model and serial number. Combined with the truck model and production year, we can identify the correct flywheel in our catalog.<\/p>\n<p><strong>3. Measure the four key specs.<\/strong> If neither stamp is readable (often the case on used 15-year-old trucks), measure:<\/p>\n<ul>\n<li>Ring gear tooth count<\/li>\n<li>Outer diameter<\/li>\n<li>Pilot bore diameter<\/li>\n<li>Bolt circle and bolt count on the crank flange<\/li>\n<\/ul>\n<p>Send these four numbers plus a clear photo of the flywheel face. We will cross-check against our database and either confirm a catalog match or recommend a sample build for verification.<\/p>\n<h2 id=\"failure\">Common Failure Signs on HINO Trucks<\/h2>\n<p>These are the symptoms that push a HINO truck owner to replace the flywheel rather than just the clutch:<\/p>\n<ul>\n<li>Grinding noise on startup, especially cold \u2014 worn ring gear or starter pinion<\/li>\n<li>Clutch judder or vibration at idle that does not go away after a clutch replacement \u2014 usually means the flywheel friction surface is glazed or has hot-spots<\/li>\n<li>Visible cracks on the web between the bolt circle and the friction face<\/li>\n<li>Starter motor spins without engaging the ring gear \u2014 chipped or broken tooth on the flywheel<\/li>\n<li>Excessive oil contamination on the friction face \u2014 rear main seal leak or clutch slave cylinder leak that has degraded the surface<\/li>\n<\/ul>\n<figure>\n<img decoding=\"async\" src=\"https:\/\/www.changweiintl.com\/wp-content\/uploads\/2026\/08\/1786352265-hino-ek100-flywheel-scaled.jpg\" alt=\"HINO EK100 flywheel front view showing 130T ring gear and crankshaft bolt pattern\" loading=\"lazy\"><figcaption>Pictured: HINO EK100 flywheel, classic 130T ring gear pattern. The bolt circle visible in the centre matches the crankshaft flange on EK100 series engines.<\/figcaption><\/figure>\n<p>Replacement is almost always combined with a new clutch kit, rear main seal and pilot bearing. It makes sense to replace all wear items in one service to avoid repeat labor.<\/p>\n<h2 id=\"price\">Price and MOQ Reference for HINO Flywheels<\/h2>\n<p>Pricing varies by engine family, ring gear option (machined only vs full ring gear installed), and order quantity. The reference ranges below are based on typical FOB Qingdao pricing for a sample order of 20 pieces:<\/p>\n<table>\n<thead>\n<tr>\n<th>Engine family<\/th>\n<th>Sample price range (USD\/pc)<\/th>\n<th>MOQ for OEM-number parts<\/th>\n<th>Lead time<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>EH700 \/ EK100 \/ EP100 (legacy)<\/td>\n<td>$13\u201322<\/td>\n<td>20 pcs<\/td>\n<td>25\u201330 days<\/td>\n<\/tr>\n<tr>\n<td>EF750 \/ F17D<\/td>\n<td>$18\u201326<\/td>\n<td>20 pcs<\/td>\n<td>25\u201330 days<\/td>\n<\/tr>\n<tr>\n<td>E13C \/ P11C (current)<\/td>\n<td>$22\u201335<\/td>\n<td>20 pcs<\/td>\n<td>30\u201340 days<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ring gears are usually sold separately and can be either machined and fitted at the factory or shipped loose for customer fitting. FOB Qingdao is the standard Incoterm for export orders; CIF and DDP can be quoted on request for buyers who prefer landed cost.<\/p>\n<blockquote><p>For high-volume contracts (annual commitment of 500+ pieces), pricing drops significantly under a scheduled production agreement. Tell us your annual forecast and we will prepare a tiered quote.<\/p><\/blockquote>\n<h2 id=\"oem-vs-aftermarket\">OEM vs Aftermarket HINO Flywheels: What Buyers Should Know<\/h2>\n<p>The genuine HINO flywheel is built by HINO&#8217;s licensed supply chain and carries the OEM reference. Aftermarket equivalents are built by independent foundries to the same drawing but typically without the HINO stamp. Here is what actually differs in practice:<\/p>\n<table>\n<thead>\n<tr>\n<th>Factor<\/th>\n<th>Genuine HINO<\/th>\n<th>Quality aftermarket<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Material spec<\/td>\n<td>Specified by HINO<\/td>\n<td>Specified by aftermarket supplier<\/td>\n<\/tr>\n<tr>\n<td>Ring gear<\/td>\n<td>Usually fitted at HINO&#8217;s licensed source<\/td>\n<td>Loose or fitted depending on supplier<\/td>\n<\/tr>\n<tr>\n<td>Branding<\/td>\n<td>HINO stamp<\/td>\n<td>No OEM stamp (legal in most jurisdictions for replacement parts)<\/td>\n<\/tr>\n<tr>\n<td>Warranty<\/td>\n<td>Through HINO dealer network<\/td>\n<td>Through the aftermarket supplier directly<\/td>\n<\/tr>\n<tr>\n<td>Price<\/td>\n<td>2\u20133x aftermarket equivalent<\/td>\n<td>Base reference price<\/td>\n<\/tr>\n<tr>\n<td>Lead time<\/td>\n<td>Often 45\u201360 days via dealer<\/td>\n<td>25\u201335 days ex-works<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For most fleet operators and distributors, the aftermarket route is the right balance of cost, availability and warranty, provided the supplier can document material spec, dynamic balance report and dimensional inspection for each batch.<\/p>\n<h2 id=\"sourcing\">Sourcing HINO Flywheels from China: Practical Tips<\/h2>\n<p>If you are importing HINO flywheels from China for resale or fleet maintenance, keep these in mind:<\/p>\n<ul>\n<li>Ask for a sample build first if your target part is not in the supplier&#8217;s standard catalog. Tooling and pattern cost for legacy HINO flywheels is usually modest because the castings are well documented.<\/li>\n<li>Demand a dimensional inspection report with each shipment. The four critical measurements are outer diameter, bolt circle, pilot bore, and ring gear tooth count.<\/li>\n<li>Check the dynamic balance grade. G6.3 is the minimum standard; anything looser will create vibration issues.<\/li>\n<li>Specify packaging. Flywheels are heavy and the ring gear is fragile. Wood crate with foam bracing is the standard. Avoid stacking more than four per pallet.<\/li>\n<li>Plan spare ring gears. Ring gear failure is more common than flywheel failure. Stocking 5\u201310% spares prevents a single bad batch from sidelining a truck.<\/li>\n<\/ul>\n<p>For buyers outside China, FOB Qingdao is the most common Incoterm. Shipping from Qingdao to Bangkok, Jakarta, Lagos, Dubai, Lima and Ho Chi Minh takes 18\u201330 days by sea depending on route.<\/p>\n<figure>\n<img decoding=\"async\" src=\"https:\/\/www.changweiintl.com\/wp-content\/uploads\/2026\/08\/1786352261-hino-eh700-flywheel.jpg\" alt=\"HINO EH700 F15-4 flywheel front view showing 129T ring gear\" loading=\"lazy\"><figcaption>Pictured: HINO EH700 F15-4 variant flywheel, 129T ring gear. Still in active aftermarket demand for older HINO Ranger and Dolphin trucks.<\/figcaption><\/figure>\n<div class=\"faq\">\n<h2 id=\"faq\">Frequently Asked Questions<\/h2>\n<div class=\"faq-item\">\n<p><strong>What is the most common HINO flywheel you supply?<\/strong><\/p>\n<p>EF750 and EK100 are the highest-volume legacy parts we ship. For current production, E13C is the most requested.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>Can you build a flywheel if I only have an old sample and no drawing?<\/strong><\/p>\n<p>Yes. Send the sample by courier, or send a detailed photo set with measurements. We will reverse-engineer the part and produce a sample for your approval before batch production.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>Do you supply ring gears separately?<\/strong><\/p>\n<p>Yes. We ship ring gears loose or fitted, depending on your preference. Most aftermarket buyers request loose ring gears and fit them in-house.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>How do I know the tooth count is correct?<\/strong><\/p>\n<p>Count the teeth on your existing ring gear and provide the number. We will match it. As a sanity check, the most common HINO tooth counts are 129T, 130T, 132T and 142T.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>What is your warranty on HINO flywheels?<\/strong><\/p>\n<p>12 months from shipment, covering material and manufacturing defects under normal use. Warranty does not cover incorrect installation, over-torque, or crank flange damage from a worn pilot bearing.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>Can you brand the flywheel with our company name?<\/strong><\/p>\n<p>Yes. Laser etching of your brand and part number is available at no extra cost for orders of 50 pieces or more.<\/p>\n<\/div>\n<\/div>\n<div class=\"cta\" id=\"quote\">\n<h2>Get a Quote<\/h2>\n<p>Tell us the HINO engine model, OEM reference (if available), and your target quantity. We will confirm catalog availability, send a sample plan if needed, and quote FOB Qingdao with full specifications and inspection reports.<\/p>\n<ul style=\"list-style:none;padding:0;\">\n<li>Email: <a href=\"mailto:irene19953662121@gmail.com\">irene19953662121@gmail.com<\/a><\/li>\n<li>Phone \/ WhatsApp: <a href=\"tel:+8619953662121\">+86 19953662121<\/a><\/li>\n<li>Factory: Wangke Industrial Zone, Changyi, Weifang, Shandong, China<\/li>\n<li>Port: FOB Qingdao<\/li>\n<li>Certifications: IATF 16949 quality management system<\/li>\n<\/ul>\n<p>Browse the <a href=\"https:\/\/www.changweiintl.com\/en\/product\/hino-flywheel\/\">complete HINO flywheel catalog<\/a> or jump to the <a href=\"https:\/\/www.changweiintl.com\/en\/product\/japanese-flywheel\/\">flywheel for Japanese trucks<\/a> overview page.<\/p>\n<\/div>\n<hr>\n<p><em>Published by Changwei Intelligent Equipment. IATF 16949 certified foundry producing replacement flywheels for HINO, ISUZU, FUSO, Toyota and other commercial vehicle brands.<\/em><\/p>\n<\/article>",
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