The Major Overhaul Kit OK126 from A & I Products is a complete solution for engine restoration. This kit includes all necessary components for a thorough overhaul, ensuring optimal engine performance. Made from high-quality materials, it meets industry standards for durability and reliability. The kit is compatible with various engine models, making it a versatile choice for mechanics and DIY enthusiasts. Specifications and dimensions are provided for a perfect fit.
David Brown Major Engine Overhaul Kit. 449001 engine. 4 Cyl, 4 Ring Piston. 3.939" Bore. Contains semi-finished liner. Kit Contains:Piston, Cyl. Liner, Piston Rings, Main Bearing Set, Thrust Washer Set, Connecting Rod Bearing, Connecting Rod Bushing, Overhaul Gasket set with seals. Fits Tractor model: 990 (Selectamatic Diesel).
• 4 CYL., 4 RING PISTON
• BORE: 3.939 "
• contains semi-finished liner
| Engine Overhaul Kits > 449001 |
| David Brown TRACTOR: 990 (SELECTAMATIC DIESEL) |
| Group Description | Component | Size / Desc | Qty |
| Piston | A-PA769 | STD SN <11052360 | 4.00 |
| Liner, Cylinder | A-SC200 | | 4.00 |
| Rings, Piston | A-K261069 | STD | 4.00 |
| Bearing Set, Main (3) | A-K928541 | STD | 1.00 |
| A-K928554 | .010 | 1.00 |
| A-K928555 | .020 | 1.00 |
| Washer Set, Thrust | A-VPC4710 | STD | 1.00 |
| A-VPC4711 | .005 450; 450DT; 500, 500 | 1.00 |
| Bearing, Conn Rod | A-K207436 | STD | 1.00 |
| A-K207497 | .010 | 1.00 |
| A-K207498 | .020 | 1.00 |
| Bushing, Conn Rod | A-K31669 | | 4.00 |
| Gasket OH Set w/Seals | A-3A210FS | | 1.00 |
| Item Number | Description | Qty |
| A-IK117 | IN FRAME OH KIT | 1 |
| A-K311938 | Pump, Fuel Lift Transfer | 1 |
| A-SC200 | Liner, Cylinder (Semi-Finished) | 3 |
| A-SK480 | Piston Liner Kit | 3 |
| A-10152 | Assembly Lube; 8 oz | 1 |
| A-3A208FS | Gasket, OH Set w/ Seals | 1 |
