Kawasaki KAF620 and John Deere FD620 V-Twin Engine Remanufacture and Exchange
If your John Deere FD620 or Kawasaki KAF620 isn’t performing to factory standards or isn’t running at all then you might need a remanufacture. Don’t waste money on a replacement when your engine can be repaired and rebuilt. We are the nation’s #1 small engine remanfacturer. Our engines are completely disassembled, cleaned, inspected, and brought to factory specs. using OEM parts. The standard rebuild includes: cylinder bores trued, straightened, and crosshatched, new rings, new gasket kit, new seals, new valve guide seals, valves ground, and lash set.
You must send us a core to remanufacture.
Contact us for questions: 314-827-5804
Compatibility
You can find your engine model cast on the engine below the exhaust outlet.
Non-exhaustive list of uses:
- John Deere 425
- John Deere 445
- Kawasaki MULE 2510 (1993-1999)
- Kawasaki MULE 3000
- Kawasaki MULE 3010 4×4
- Kawasaki MULE 3010 Trans4x4
- Kawasaki MULE 4000
- Kawasaki MULE 4010 4×4
- Kawasaki MULE 4000 Trans4x4
Diesel carts do not use the KAF620 and use the KAF950 instead.
Our Process
Send us your core
Remove your engine, remove any oil, and follow the instructions to remove any other parts. Pack the engine and send it to us using the provided shipping label
We rebuild your core
After we receive and inspect your core we’ll give a quote to remanufacture your core. The standard rebuild includes
- Cleaning
- New rings, gasket kit, and valve guide seals
- Valve resurfacing
- Precision cylinder honing
- And more
You receive your engine
When the engine is ready and any cost not covered by the standard rebuild cost are paid. We’ll send it back to you. After reinstalling your engine be sure to follow the included instructions to prime the oiling system and break-in the engine.
Sending Us Your Core
After ordering you will receive instructions on how to send us your engine. A shipping label is included. Alternatively, we offer local drop-off/pick-up in Maryland Heights, MO or you can arrange your own shipping.
The engine should come to us as a long block with the carburetor, ignition, electrical parts, muffler, exhaust manifold, flywheel, fan, shrouding, and clutch removed.
After we receive your engine we will disassemble and inspect your engine. If your engine is deemed to be remanufacturable then we will ship you a remanufactured engine if any are in stock. Otherwise a remanufactured engine will be sent when available, such as when your core or another is finished. Contact us for an estimate of turn-around time.
Alternatively, if we have engines in-stock, you can opt to pay a refundable core deposit to have a remanufactured engine sent to you before we have received and inspected your core. Due to Covid-19 this option is usually unavailable.
Additional Information
After inspecting your engine, we will notify you of damaged or non-remanufacturable parts and any costs associated with their replacement. We can provide photos and explanations of any unusable parts.
If you know of any damage, we can provide an initial estimate.
We can usually fix a hole in the engine block. The cost will depend on the severity.
If an engine is missing a major component or is unfit, you will be charged for a replacement.
We charge for broken bolt extraction.
In order to guarantee the engine, you must follow the procedure to prime the oiling system and break-in the engine, and use a new fuel pump and filter.
There is a 10% charge for order cancellation. Component, labor, shipping and administrative costs are incurred when orders are placed.
For more information check our FAQ or contact us.
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