This is a new, genuine Kubota starter motor assembly, part number 1G777-63014. It is a 12 V, 3.0 kW starter with a 9-tooth pinion for the Kubota V3307 four-cylinder diesel. It is Kubota’s current number for this starter and it replaces 1G777-63013, 1G777-63012 and 1G777-63010.
Replace a starter when it clicks but will not turn the engine, cranks slowly on a good battery, grinds on engagement or keeps running after the engine fires. A 3.3 liter diesel pulls a lot of cranking current, so load test the battery and check voltage drop on both cables and the ground strap before you condemn the starter.
Confirm Fitment Before You Order
Do not order by engine model or rating alone. Kubota uses a different number, 1K012-63013, for the look-alike 12 V, 3.0 kW starter on the V3300, V3600 and V3800, and not every V3307 build is confirmed for this number. Send us the number on your old starter plus your engine model and engine serial number. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | 1G777-63014 |
| Brand | Kubota |
| Condition | New, genuine, in original packaging |
| Warranty | Kubota genuine parts warranty: 1 year against defects in materials or workmanship. |
| Type | Starter motor assembly |
| Voltage | 12 V |
| Output | 3.0 kW |
| Pinion teeth | 9 |
| Engine | Kubota V3307 |
| Replaces | 1G777-63013, 1G777-63012, 1G777-63010 |
| Shipping weight | 16 lb |
Fits / Applications
- Kubota V3307 diesel engine (confirm the build by engine serial number)
- Direct replacement for Kubota starters 1G777-63013, 1G777-63012 and 1G777-63010
Disconnect the battery before removal. Clean the mounting face and the ground path, check the flywheel ring gear for worn or chipped teeth, and tighten the mounting bolts to Kubota’s torque spec. This is a 12 V starter, so do not fit it to a 24 V machine.
Part Numbers & Cross Reference
Kubota 1G777-63014 · Kubota (superseded) 1G777-63013 · Kubota (superseded) 1G777-63012 · Kubota (superseded) 1G777-63010
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 1G777-63014 fit my Kubota V3307?
It is the genuine Kubota starter for the V3307: 12 V, 3.0 kW, with a 9-tooth pinion. Call 530-668-0818 with your engine serial number and the number on your old starter and we will confirm it before you order.
What numbers does the 1G777-63014 replace?
Kubota 1G777-63013, 1G777-63012 and 1G777-63010. If your old starter carries one of those numbers, this is the current part.
Can I use the 1G777-63014 in place of a 1K012-63013?
Do not swap them by rating. Both are 12 V, 3.0 kW, 9-tooth Kubota starters, but Kubota lists 1G777-63014 for the V3307 and 1K012-63013 for the V3300, V3600 and V3800. Order the number your engine calls for.
Is this a new or a remanufactured starter?
New, genuine Kubota.
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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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