This Walker Illustrated Parts Manual covers the Model MDD (20.9 HP Kubota D722 diesel) and Model MDG (24.5 HP Kubota WG750 gasoline) commercial rider mowers, serial numbers 97-29676 and on. Its 67 pages break the machine down into illustrated assemblies with the part numbers you need to order the right component.
Sections cover decals, body and chassis assemblies, the full range of tractor components, special options, and maintenance. You can look up power transmission belts and pulleys, the engine group, air intake and exhaust, radiator, hydrostatic ground drive, and the electrical assemblies.
Owners, dealers, and independent shops use it to identify worn parts by exploded diagram, confirm quantities, and cross-reference the Kubota air and fuel filter numbers before placing an order.
What's Inside This Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cover and Contents | 1-2 | Illustrated Parts Manual Cover, Model Mdd and Mdg Identification, Serial-Number Coverage, Section Index |
| Decals | 3-4 | Tractor Decals, Walker Product Decals, Danger/Warning/Caution Decals, Maintenance Decals, Option Decals |
| Body / Chassis Assemblies | 5-10 | Body / Chassis Assembly (Ghs Models), Rear Body Assembly (Ghs Models), Body Assembly (Sd Models) |
| Tractor Components, Power Transmission and Engine | 11-18 | Main Component Power Transmission (Ghs Models), Main Component Power Transmission (Sd Models), Engine Group (Mdd Models), Engine Group (Mdg Models) |
| Tractor Components, Cooling, Drive and Controls | 19-34 | Air Intake & Exhaust Group, Radiator Group, Hydrostatic Ground Drive Assemblies, Steering Control Assemblies, Throttle & Choke Control Assemblies, Parking Brake Assembly, Ghs Group, Ghs Powerfil Assembly |
| Tractor Components, Instrument Panel, Catcher and Electrical | 35-48 | Instrument Panel Assembly (Mdd Models), Instrument Panel Assembly (Mdg Models), Ghs 7.0 Bushel Catcher & Exhaust Deflector Assemblies, Optional Ghs 9.5 Bushel Catcher Assembly, Electrical Assembly (Mdd Models), Electrical Assembly (Mdg Models), Electrical Connectors |
| Special Options | 49-60 | Light Kit, 5885 Armrest Kit & Walker Touch-Up Paint, 7620 Power Dump Kit, 8651 Power Deck Lift Kit, 8540 Tail Wheel Lock Kit, 8049 Wide Tail Wheel / 8072 All-Terrain Tire Kits |
| Maintenance | 61-64 | Lubrication Points, Wiring Schematic (Mdd Models), Wiring Schematic (Mdg Models) |
| Operator's Notes | 65 | Blank Notes Page |
| Warranty | 66-67 | Limited Warranty |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Ground Drive Belt, Micro-V replacement | 1 required | p. 11 |
| Blower Belt (3VX280) replacement | 1 required | p. 31 |
| Hydrostatic Drive, CCW (700-032) replacement | 1 required | p. 23 |
| Hydrostatic Drive, CW (700-031) replacement | 1 required | p. 23 |
| O-Ring Seal replacement | 2 required | p. 23 |
| Hydrostatic Drive lubrication type | Oil (refer to Owner's Manual for procedure) | p. 61 |
| Clutch Idler Pulley replacement | 1 required | p. 11 |
| Idler Pulley (3") replacement | 2 required | p. 11 |
| Blade Drive Gearbox lubrication | Oil (2 places, permanently lubricated and sealed) | p. 61 |
| Tee Gearbox, Deck lubrication | Oil (1 place, permanently lubricated and sealed) | p. 61 |
| Air Cleaner replacement | 1 required | p. 19 |
| Air Filter Element (70000-11221 Kubota) replacement | 1 required | p. 19 |
