The Major Overhaul Kit from A & I Products is designed for comprehensive maintenance and repair of machinery. This kit includes all essential components needed for a complete overhaul, ensuring optimal performance and longevity. Made from high-quality materials, each part meets industry standards for reliability and safety. Ideal for agricultural and industrial applications, this overhaul kit simplifies maintenance tasks and enhances equipment efficiency. Keep your machinery running smoothly with this all-in-one solution.
John Deere Major Engine Overhaul Kit for 4.270 Diesel, 400 Series engine. 4 Cyl. except block #R46350, R46430, and R40910. Standard bore: 4.25 (108mm), Piston Pin: 1.50 (38mm). Kit includes: Piston Liner Kit, Man Bearing, Thrust Bearing, Connecting Rod Bearing, Front Crankshaft Seal, Rear Crankshaft Seal, Connecting Rod Bushing, Connecting Rod Capscrew, Camshaft Bearing, and Overhaul Gasket without Seals. Fits John Deere models: 500, 500A, 500B, 3010, and 3020.
• 4 CYL. EXCEPT BLOCK # R46350, R46430, R40910
• Bore: 4.25" 108mm, Pin: 1.50", 38mm, 3 Ring Piston
| Engine Overhaul Kits > 4.270 Diesel, 400 Series |
| John Deere INDUSTRIAL/CONSTRUCTION: 500 (SN <280000 EARLY POWER BOOSTER, 4.270 4 |
| John Deere INDUSTRIAL/CONSTRUCTION: 500A (SN <280000 EARLY POWER BOOSTER, 4.270 |
| John Deere INDUSTRIAL/CONSTRUCTION: 500B (SN <280000 EARLY POWER BOOSTER, 4.270 |
| John Deere TRACTOR: 3010 (SN <280000 EARLY POWER BOOSTER, 4.270 4CYL ENG) |
| John Deere TRACTOR: 3020 (SN <280000 EARLY POWER BOOSTER, 4.270 4CYL ENG) |
| Group Description | Component | Size / Desc | Qty |
| Piston Liner Kit | A-PLK163 | | 4.00 |
| Bearing, Main | A-AR49243 | STD | 4.00 |
| A-AR49245 | .010 | 4.00 |
| A-AR49246 | .020 | 4.00 |
| A-AR49247 | .030 | 4.00 |
| Bearing, Thrust | A-AR49242 | STD | 1.00 |
| A-AR49238 | .010 | 1.00 |
| A-AR49239 | .020 | 1.00 |
| A-AR49240 | .030 | 1.00 |
| Bearing, Conn Rod | A-AR45723 | STD | 4.00 |
| A-AR46396 | .010 | 4.00 |
| A-AR46397 | .020 | 4.00 |
| A-AR46398 | .030 | 4.00 |
| Seal, Front Crankshaft | A-AR49025 | | 1.00 |
| Seal, Rear Crankshaft | A-RE22764 | | 1.00 |
| Bushing, Conn Rod | A-R30939 | | 4.00 |
| Capscrew, Conn Rod | A-R66452 | Machine Split Conn Rod | 8.00 |
| Bearing, Camshaft | A-R46903 | | 3.00 |
| Gasket OH Set w/o Seals | A-AR53033 | | 1.00 |
next >> | Item Number | Description | Qty |
| A-AR40155 | Sealing Ring Kit, Liner | 4 |
| A-AR40485 | Crankshaft | 1 |
| A-AR50781 | Injector, Pencil | 4 |
| A-AR65502 | Rings, Piston | 4 |
| A-H80753 | Retainer, Piston Pin | 8 |
| A-IK4163 | IN FRAME OH KIT | 1 |
| A-RE11410 | Rotator, Valve | 4 |
| A-RE23163 | Piston | 4 |
| A-R26115 | Plug, Camshaft | 1 |
| A-R26123 | Valve, Exhaust | 4 |
| A-R26124 | Valve, Intake | 4 |
| A-R26125 | Spring, Valve | 8 |
| A-R26342 | Follower, Camshaft | 8 |
| A-R28654 | Guide, Valve | 8 |
| A-R32050 | Liner, Cylinder | 4 |
| A-R40223 | Cap, Valve | 4 |
| A-R43680 | Insert, Intake Valve | 4 |
| A-R43681 | Insert, Exhaust Valve | 4 |
| A-R44161 | Pin, Piston 1.50" | 4 |
| A-R44174 | Valve, Intake | 4 |
