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Machinetrail

Where Is the Kubota PIN Plate?

Last updated · 6 min read

Bertram Sargla
Founder, Machinetrail

Quick answer

On most modern Kubota tractors, the factory PIN plate is on the right-hand side of the chassis near the cab step, and the same PIN is also stamped into the chassis frame casting nearby. The engine carries its own separate serial. Always cross-check the riveted plate against the engraved frame stamp — a mismatch is the single strongest stolen-equipment signal at the inspection stage.

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Modern (post-2000) Kubota PIN format

Modern Kubota equipment exported to the US and EU since approximately 2002 carries a 17-character ISO 3779 PIN. Positions 1–3 identify the plant (different WMIs for Sakai Japan vs Gainesville Georgia US vs European assembly); position 10 is the model-year letter; positions 12–17 are the sequential build number.

Legacy Kubota serial format

Older Kubota equipment uses a model designation plus a sequential serial number — for example, M9540-12345 or B7100-67890. The model letter encodes family (M = mid-size utility tractor 60–170 hp; L = compact 24–60 hp; B = sub-compact 21–35 hp; BX = micro-compact 18–25 hp; KX = mini excavator; U = zero-tail excavator; SVL = compact track loader; SSV = wheeled skid steer; R = compact articulated loader; RTV = side-by-side). Year requires Kubota's published model-year serial-break table for that specific model.

Where to find the PIN plate on a Kubota

  1. Factory PIN / data plate (the riveted plate). On M-series mid-size tractors the chassis serial plate is on the right-hand side of the frame near the front axle. On L-series compacts, on the right frame rail under the cab or on the dashboard tag. On B/BX sub-compacts, most often under the operator seat or on the rear hitch frame.
  2. Chassis engraving (the same PIN, stamped). Kubota stamps the chassis serial directly into the frame casting near the plate. On M-series and L-series tractors the engraving is on the right-hand front frame rail; on excavators it is on the right side of the cab base; on SVL track loaders it is on the cab-frame structure above the right operator step.
  3. Engine serial (separate identifier). The engine serial is stamped on the engine block, typically on the side of the block near the injection pump. Because Kubota engines are sold OEM to many other equipment brands (Bobcat, some Case IH compacts, Massey Ferguson sub-compacts, Kioti), the engine serial is its own identifier and not interchangeable with the chassis serial.
  4. Operator's manual and dealer service file. The PIN appears on the title page of the manual delivered with the machine and in any authorised Kubota dealer service-history record. If the seller cannot produce the manual or a dealer service record, that is itself a flag worth pricing in.

Model-specific variations

Kubota plate-position conventions vary by model family. The following are the locations to expect on the most common current and recent product lines:

  • M-series (M5, M6, M7, M8) — plate on the right-hand frame rail near the front axle; PIN also stamped into the frame casting nearby.
  • L-series compact utility tractors — plate on the right frame rail under the cab, or a secondary dash tag visible from the operator seat.
  • B and BX sub-compact / micro tractors — serial tag typically under the operator seat or on the rear hitch frame; smallest BX machines may carry it on the rear of the transmission housing.
  • KX / U excavators — plate on the right side of the cab base, usually near the operator's door; chassis stamp on the upper structure beneath the cab.
  • SVL compact track loaders and SSV skid steers — chassis tag on the cab frame above the right operator step; engine compartment hosts a separate engine plate.

How to verify the PIN is genuine

A correct PIN is one that decodes structurally and appears in three consistent places on the machine. Walk the machine and check, in order:

  • Plate vs engraving match. The 17-character PIN on the riveted plate must match the engraved chassis stamp character-for-character. Mismatched, partially mismatched, or "the plate fell off" stories are walk-away signals.
  • Rivet condition. Factory plates have factory rivets — uniform heads, consistent corrosion, no fresh tool marks. Fresh non-original rivets, missing rivets, or screws where there should be rivets are signals.
  • Paint and surface match. The area immediately around a factory plate should weather and corrode at the same rate as the surrounding metal. Fresh paint, polished metal, or chemical residue around the plate are signals.
  • Font and spacing. Compare the plate's font, character spacing and plate-edge profile against other Kubota machines of the same era. Counterfeit plates are usually recognisable by font or spacing differences from the factory original.
  • Engine serial recorded. The engine serial is its own identifier; record it separately and check that it appears in the maintenance history. A new engine is normal on a high-hour machine, but it should be documented.
  • Cross-check against a registry. Even a perfectly-formed PIN can be stolen. A registry cross-check (Machinetrail covers 14 European registries plus a stolen-equipment dataset in one lookup) is the last line of defence.

What to do after finding the PIN

With the PIN written down (all three places — plate, engraving, engine serial), the pre-purchase value comes from cross-checking that PIN against three failure-mode databases before money changes hands:

  1. Stolen-equipment registries. A stolen Kubota will be reclaimed by police regardless of how clean the paperwork looks. Machinetrail queries 14 European registries plus TER-Europe-style and NER-style stolen-equipment data in a single lookup keyed to the PIN.
  2. Open safety recalls. EU Safety Gate, member-state agencies (Bundesnetzagentur, RDW, Traficom) and OEM recall feeds. Open recalls on hydraulic, brake, or PTO systems are a measurable safety risk and a re-sale-value problem.
  3. Auction comparables and market value. What did similar Kubota machines actually sell for in the last 12 months? Decoded PIN plus model plus year plus hours plus region returns the range of recent sale prices.

For a position-by-position breakdown of the Kubota PIN fields, see the matching Kubota decoder page.

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Related guides

Frequently asked questions

Where is the PIN plate located on a Kubota tractor?
On M-series mid-size tractors the chassis serial plate is on the right-hand side of the frame near the front axle. On L-series compacts, on the right frame rail under the cab or on the dashboard tag. On B/BX sub-compacts, most often under the operator seat or on the rear hitch frame. The same PIN is also stamped into the chassis itself: Kubota stamps the chassis serial directly into the frame casting near the plate. On M-series and L-series tractors the engraving is on the right-hand front frame rail; on excavators it is on the right side of the cab base; on SVL track loaders it is on the cab-frame structure above the right operator step. The engine carries a separate serial — The engine serial is stamped on the engine block, typically on the side of the block near the injection pump. Because Kubota engines are sold OEM to many other equipment brands (Bobcat, some Case IH compacts, Massey Ferguson sub-compacts, Kioti), the engine serial is its own identifier and not interchangeable with the chassis serial. Always cross-check the plate against the engraving — a mismatch or fresh paint around the rivets is a primary stolen-equipment signal.
What does a modern Kubota PIN look like and how is it structured?
Modern Kubota equipment exported to the US and EU since approximately 2002 carries a 17-character ISO 3779 PIN. Positions 1–3 identify the plant (different WMIs for Sakai Japan vs Gainesville Georgia US vs European assembly); position 10 is the model-year letter; positions 12–17 are the sequential build number.
My Kubota serial is shorter than 17 characters. Is it real?
Yes — pre-ISO Kubota equipment uses an OEM-specific serial format that pre-dates the 17-character ISO 3779 standard. Older Kubota equipment uses a model designation plus a sequential serial number — for example, M9540-12345 or B7100-67890. The model letter encodes family (M = mid-size utility tractor 60–170 hp; L = compact 24–60 hp; B = sub-compact 21–35 hp; BX = micro-compact 18–25 hp; KX = mini excavator; U = zero-tail excavator; SVL = compact track loader; SSV = wheeled skid steer; R = compact articulated loader; RTV = side-by-side). Year requires Kubota's published model-year serial-break table for that specific model. The position-by-position decoding rules that apply to a modern 17-character PIN do not apply to these older serials; year and configuration have to be looked up from the published model-year break tables for the specific family.
What if the Kubota chassis plate and the engraved frame number don't match?
A mismatch between the riveted plate and the chassis engraving is the single strongest stolen-equipment signal at the inspection stage. Common patterns: a freshly painted plate over a different underlying engraving; a plate with non-factory rivet heads; a plate where the font and spacing does not match other Kubota machines of the same era. Walk away from the deal — and report the serial to the relevant national registry (TER-Europe, NER in the US, the Plant And Agricultural National Intelligence Unit in the UK). Do not accept "the original plate fell off and the dealer made a replacement" without paperwork from a recognised Kubota dealer attesting to the replacement.
Is the engine serial on a Kubota the same as the chassis PIN?
No. The engine serial is stamped on the engine block, typically on the side of the block near the injection pump. Because Kubota engines are sold OEM to many other equipment brands (Bobcat, some Case IH compacts, Massey Ferguson sub-compacts, Kioti), the engine serial is its own identifier and not interchangeable with the chassis serial. The engine serial identifies the engine alone — on a re-engined machine the engine serial will not match the factory chassis-PIN-implied engine, and that's normal but should appear in the maintenance history. Always record both serials separately when documenting the machine, and never assume that decoding the engine serial returns information about the chassis or vice versa.
What if the Kubota PIN plate has been removed or is illegible?
Try the chassis engraving first — Kubota stamps the chassis serial directly into the frame casting near the plate. On M-series and L-series tractors the engraving is on the right-hand front frame rail; on excavators it is on the right side of the cab base; on SVL track loaders it is on the cab-frame structure above the right operator step. On a legitimate machine the engraving survives even when the plate is gone. If both the plate and the engraving are missing or obscured, that's a strong fraud signal: factory plates do not fall off in normal use, and engravings can only be defeated with deliberate grinding. The next-best identifiers are the engine serial on the engine block and any telematics-system identifiers; combined, those can in some cases be matched back to an original PIN through the OEM dealer network — but the burden of proof shifts onto the seller, not onto you.
Does Kubota have a telematics system that records true hours separately from the dashboard?
Kubota also operates KubotaNOW as a factory-fit telematics system that records hours and faults independently of the dashboard hour-meter — ask the seller for a current telematics report and compare it against the recorded service history. Whichever telematics system is present, dashboard hour-meters can be rolled back; telematics-recorded hours are much harder to alter and so are the gold-standard rollback check on any used Kubota.
How do I use the PIN once I've found it?
Once you have the PIN, paste it into the matching decoder on Machinetrail at https://machinetrail.com/decoders/kubota-serial for a position-by-position breakdown plus theft, recall and auction cross-check. The free preview confirms the PIN is well-formed and surfaces the recall count, top-5 known issues for the model, and two recent auction comparables. The full report adds the complete recall list, full known-issues list with severity ratings, the full auction history for that model and year, a reliability score, full specifications, and a market-value range — all keyed to the PIN-resolved canonical machine.