This is a new, genuine Kubota dynamo assembly, part number 17531-64012, rated 12 V and 14 A. Kubota’s description places it on the Super Mini (SM) and 05 Series engines. Kubota engine dealers list it for the Z482, D722 and D902 in the Super Mini family and for the D905, D1005, D1105 and V1505 in the 05 Series. It is the current number for 17531-64010, and it crosses to Bobcat 6686133.
A dynamo is replaced when the battery will not stay charged, the charge lamp stays on with the engine running, or the bearing is rough or noisy. Check the belt, the plug, the wiring and the regulator in the charging circuit first, because any of them can cause the same no-charge complaint.
Confirm Fitment Before You Order
Kubota fitted these engines with different charging units depending on the build, so the engine model alone does not pick the part. Kubota dealer catalogs show no Kubota tractor, mower or excavator under this number: the 14 A dynamo they list for ZD mowers and for BX, GR and many B-series tractors is 15531-64017. 19269-64010 is a third dynamo and 19630-64015 is a 12 V 60 A alternator with a built-in regulator. Send us the engine model, the engine serial number and the number on your old dynamo. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | 17531-64012 |
| Brand | Kubota |
| Condition | New, genuine, in original packaging |
| Warranty | Kubota genuine parts warranty: 1 year against defects in materials or workmanship. |
| Type | Dynamo assembly |
| System voltage | 12 V |
| Output | 14 A |
| Engine families | Kubota Super Mini (SM) and 05 Series |
| Engines | Kubota Z482, D722, D902, D905, D1005, D1105 and V1505 |
| Replaces | 17531-64010, KEARA-17531 |
| Kubota description | DYNAMO ASSY 14 AMP SM/05 SERIES |
| Shipping weight | 3 lb |
Fits / Applications
- Kubota Super Mini and 05 Series diesel engines built with the 14 A dynamo
- Super Mini series: Kubota Z482, D722 and D902
- 05 Series: Kubota D905, D1005, D1105 and V1505
- Direct replacement for dynamo 17531-64010. Other dynamo and alternator numbers on these engines are different parts.
Disconnect the battery before you start. Check the drive belt for wear, set the belt tension and check pulley alignment. Make sure the plug and the ground path are clean and tight. If the battery still does not charge, test the regulator and the wiring.
Part Numbers & Cross Reference
Kubota 17531-64012 · Kubota (superseded) 17531-64010 · Kubota (superseded) KEARA-17531 · Bobcat 6686133
Cross-reference numbers can change with engine serial, build year and emissions tier, so treat this list as a starting point. Send us your engine serial number and we will confirm the exact match against your build before anything ships. That check is free and takes a few minutes.
Frequently Asked Questions
Will the 17531-64012 fit my Kubota Z482 or D722?
Kubota engine dealers list it for the Z482 and the D722, and Kubota’s description covers the Super Mini and 05 Series engines. Some builds use a different dynamo or an alternator, so call 530-668-0818 with your engine serial number to confirm.
What numbers does the 17531-64012 replace or cross to?
It replaces Kubota 17531-64010, and Kubota’s KEARA-17531 number also leads to this part. It crosses to Bobcat 6686133. Bobcat 6652721 crosses to a different Kubota dynamo, 15531-64017, so send us the number on your old dynamo and we will match it.
What is the difference between the 17531-64012 and the 15531-64017?
Both are 14 A Kubota dynamos, and engine dealers list both for the D722 and D1105. Kubota dealer catalogs list Kubota tractors, mowers and excavators under 15531-64017, not under this number. Order the number on your old dynamo or let us check your engine serial number.
Is this dynamo new or remanufactured?
It is a new, genuine Kubota dynamo assembly.
Related Parts
- Kubota D902, D1105 & V1505 Engine Alternator Assembly, 12V 60 Amp | Genuine Kubota 19630-64015
- Kubota Z482, D722, D902, D1005, D1105 & V1505 Engine Alternator, 12V 40 Amp | Genuine Kubota 1J022-64010
- Kubota D722, D1105 & V1505 Engine Dynamo Assembly | Genuine Kubota 19269-64010
- Kubota D722, D902, D905, D1105 & V1505 Engine Starter Motor, 12V 9-Tooth | Genuine Kubota 19269-63010
Why Buy From Valley Fuel Injection
We are an authorized Kubota dealer and a diesel fuel-injection shop in Woodland, CA, working on diesel engines since 1993. When you call, you talk to people who know Kubota engines, and we check the part number against your engine serial or machine model before anything ships, so the right part arrives the first time. See our Kubota engine sales, parts and service.
UPS Ground anywhere in the lower 48. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax is additional; shipping is calculated at checkout. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.





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