Part of the Kubota Parts Manuals.
This is the factory parts catalog for the Kubota LA703 front loader, a 29 page reference organized by system with exploded diagrams matched to Kubota part numbers, quantities and serial number ranges. It covers the loader from the main and side frame through the boom, bucket, control valve, control lever and full hydraulic circuit.
Use it to identify the exact replacement part before ordering. Each section pairs a picture page carrying reference numbers with a part number page, and the boom and bucket cylinders are broken out into their component parts for reseal work.
For owners and independent mechanics servicing a loader that leaks, drifts or moves weakly, it removes the guesswork of matching worn cylinders, hoses, valves, pins and bushings to the correct Kubota part numbers.
Complete the set for your LA703
- Repair Manual: Kubota LA703 Front Loader Workshop Manual
What's Inside This Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Main Frame | 4-5 | Frame Main Lh(Label), Frame Sub LH, Frame Main Rh(Label), Bolt, Washer Spring, Nut |
| Side Frame | 6-7 | Frame Side Lh(Label), Pin Mount, Kit Guard Front, Bolt, Washer Spring, Label Control |
| Boom | 8-9 | Stand, Pin Spring Lock, Fitting Grease, Label Kubota, Nut Lock |
| Bucket | 10-11 | Edge 1 Cutting, Pin 3, Hex.Bolt, Nut Lock, Edge 2 Cutting |
| Control Valve | 12-13 | Stay Valve, Assy Valve Control, Assy Adapter, O-Ring, Nipple, Cap Dust |
| Control Valve [Component Parts] | 14-15 | Assy Valve Control, Kit Plug Detent 1, O Ring, Ring Back Up, Ball, Kit Valve Load Check |
| Control Lever | 16-17 | Lever, Bush, Joint Rod End, Grip Lever, Lever Control, Boot Control Lever |
| Cylinder/Hydraulic Hose | 18-19 | Cylinder 1, Elbow 1, Adapter(Nptf), Cylinder 2, Band Code, Hose 8 Hydraulic |
| Hydraulic Hose(Hyd.Outlet Block) | 20-21 | Hose 5 Hydraulic, Hose 6 Hydraulic, Hose 10 Hydraulic, Band Code, Adapter 1, Block Hydraulic |
| Hydraulic Tube | 22-23 | Tube 1 Hydraulic, Tube 2 Hydraulic, Cover Clamp, Hose 2 Hydraulic, Coupler, Plug Dust |
| Cylinder (Boom) [Component Parts] | 24-25 | Nut, Tube 1 Comp, Rod 1 Comp, Head, Piston 1 |
| Cylinder (Bucket) [Component Parts] | 26-27 | Nut, Head, Kit 1 Seal, Tube 1 Comp, Piston 1 |
| Accessories and Service Parts | 28-29 | Operator's Manual |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Kit Valve Load Check weight | 0.04 kgf | p. 15 |
| Bolt Size | M16*1.50*45 | p. 5 |
| Washer Spring Size | M16 | p. 5 |
| Fitting Grease Type | 90DEG. | p. 9 |

















