A & I Products' Major Overhaul Kit OK340 is engineered for effective engine restoration. This kit contains all essential parts needed for a complete overhaul, ensuring your engine operates at peak performance. Made from durable materials, it meets industry standards for reliability and efficiency, making it a valuable addition to any mechanic's toolkit.
John Deere Major Engine Overhaul Kit for 340 CID Gas engine (NOTE: Not for use in LP engines). 6 Cyl. 4 Ring Piston. Standard bore: 4.25. Kit includes: Piston Liner Kit, Main Bearing Set (4), Camshaft Bearing Set (4), Connecting Rod Bearing, Connecting Rod Bushing, Overhaul Gasket Set with Seals, and Oil Pan Gasket. Fits John Deere models: 600, 4000, and 4020.
6 CYL; NOT FOR USE ON LP ENGINES, GAS ONLY
STD BORE: 4.25", 4 RING PISTON
NOT FOR USE IN LP ENGINES - GAS ONLY.
| Engine Overhaul Kits > 340 CID Gas |
| John Deere INDUSTRIAL/CONSTRUCTION: 600 (SN <214999) |
| John Deere TRACTOR: 4000 |
| John Deere TRACTOR: 4020 (GAS SN <200999) |
| Group Description | Component | Size / Desc | Qty |
| Piston Liner Kit | A-SK243 | | 6.00 |
| Bearing Set, Main (4) | A-MB301 | STD | 1.00 |
| A-MB301-10 | .010 | 1.00 |
| Bearing, Conn Rod | A-AR45723 | STD | 6.00 |
| A-AR46396 | .010 | 6.00 |
| A-AR46397 | .020 | 6.00 |
| A-AR46398 | .030 | 6.00 |
| Bushing, Conn Rod | A-R30929 | | 1.00 |
| Gasket OH Set w/Seals | A-OGS301 | | 1.00 |
| Gasket, Pan | A-R71918 | | 1.00 |
| Bearing Set, Camshaft (4) | A-CBS301 | | 1.00 |
| Item Number | Description | Qty |
| A-AR40155 | Sealing Ring Kit, Liner | 6 |
| A-B367R | Keeper, Valve | 24 |
| A-IK340 | IN FRAME OH KIT | 1 |
| A-PA351 | Piston | 6 |
| A-PR154 | Rings, Piston | 6 |
| A-R26109 | Valve, Intake | 6 |
| A-R26110 | Spring, Valve | 12 |
| A-R28653 | Guide, Valve | 12 |
| A-R42420 | Valve, Exhaust | 6 |
| A-SMJD203 | John Deere Shop Manual | 1 |
| A-SW352 | Liner, Cylinder | 6 |
| A-VTK244 | Valve Train Kit (Std) | 1 |
| A-10152 | Assembly Lube; 8 oz | 1 |
| A-10153 | Assembly Lube; Case of 12-8ozbottles | 1 |
| Crossed From: | BEKD1434-LCB | TISCO |
| EOK1434 | TISCO |
| EOK1434-LCB | TISCO |
| EOK1434-010 | TISCO |
| EOK1434-020 | TISCO |