Part of the Kubota Parts Manuals.
OEM #100K0036 covers the entire B5100D-P across 134 searchable, bookmarked pages. Sixty-nine parts list pages pair with detailed exploded views so you can pinpoint the right piece by position, not guesswork. Engine group breakdowns span 30 pages, from Crankcase through Governor. Eight hydraulic pages cover the Control Valve and Oil Pressure Groups with full component identification. Ten front axle pages are specific to the D-P four-wheel-drive layout, including the Knuckle Arm and Front Wheel Gear Case groups. Cross-check your Cylinder Head assembly at 6.8 kgf (page 8) or the Oil Pressure Pump group at 0.32 kgf (page 10) against factory figures before ordering. Bookmarked by system, the catalog opens on your phone right at the parts counter so you pull the correct number on the first call.
What's Inside This Kubota B5100D-P Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Nozzle Holder Group, Injection Pump Group, Speed Control Plate Group, Governor Group, Accelerator Pedal Group, Fuel Tank Group, Air Cleaner Group, Fuel Filter Group | |
| Cooling System | Radiator Group | |
| Engine | Crankcase Group, Cylinder Head Group, Gear Case Group, Bearing Case Group, Breather Group, Inlet Manifold Group, Valve Rocker Arm Group, Camshaft Group, Piston Crank Shaft Group, Flywheel Group, Muffler Group, Front Wheel Gear Case Group | |
| Electrical System | Dynamo Group, Starter Group, Battery Group | |
| Clutch & Transmission | Clutch Group, Transmission Case Group, Clutch Rod Group, Clutch Housing Group | |
| PTO | 3rd 5th PTO Shaft Group | |
| Rear Axle, Differential & Brakes | Rear Wheel Group, Brake Group, Brake Rod Group | |
| Front Axle & Steering | Steering Group, Front Wheel Support Group, Front Axle Case Group, Front Wheel Group | |
| Hydraulics & 3-Point Hitch | Oil Pressure Pump Group, Control Valve Group, 3-Point Linkage Group | |
| Body & Operator Station | Head Cover Group, Case Cover Group, Seat Group, Fender Group, Bonnet Group | |
| Decals & Accessories | Name Plate Group, Accessary and Service Parts Group | |
| Other Components | Axle Case Group, 1st Shaft 4th Shaft Group, 2nd Shaft Reverse Shaft Group, Differential Group, Main Speed Change Group, Aux.Speed Change Group, Front Drive Group, Oil Pressure Pipe Group, Oil Pressure Group 1, Oil Pressure Group 2, Panel Group, Knuckle Arm Group, Drive Shaft Group |
Every system also includes a parts list and an exploded view.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Assy Cylinder Head Weight | 6.8 kgf | p. 8 |
| Assy Pump Oil Weight | 0.32 kgf | p. 10 |
| Assy Case Main Brg. Weight | 0.8 kgf | p. 12 |
| Manifold Exhaust Weight | 1.19 kgf | p. 16 |
| Cover Cylinder Head Weight | 1.913 kgf | p. 20 |
| Assy Camshaft Weight | 1.1 kgf | p. 22 |
| Piston Weight (STD) | 0.304 kgf | p. 24 |
| Assy Pump Injection Weight | 1.45 kgf | p. 30 |
| Assy Dynamo Weight | 1.7 kgf | p. 36 |
| Assy Disk Clutch Weight | 0.9 kgf | p. 38 |
| Case Transmission Weight | 3 kgf | p. 52 |
| Assy Radiator Weight | 4.12 kgf | p. 101 |
Kubota B5100D-P Common Problems This Manual Covers
Kubota B5100D-P driveline noise and internal case damage after installing cheap aftermarket transmission bearings p. 51
Reference the drivetrain parts diagram on page 51 for correct OEM transmission bearing part numbers. Confirm all required case cover gaskets before handling the 3 kgf transmission case. Source genuine factory bearings from the parts list to avoid premature driveline failure and expensive internal gear damage.
Manual Section: Transmission Case GroupSlipping clutch disc and worn clutch housing components requiring exact OEM replacement part numbers p. 37
Locate the clutch group exploded view on page 37 and identify each factory part number. Match the 0.9 kgf clutch disk assembly to your tractor's serial number. Order fresh throwout bearings directly from the catalog to restore proper drive engagement.
Manual Section: Clutch GroupSourcing the correct head gasket and replacement bolts for a blown top end and coolant leak p. 7
Open the cylinder head group exploded view on page 7 to find exact gasket part numbers. Confirm bolt sizes before lifting the 6.8 kgf cylinder head assembly. Pull genuine factory seals from the parts list to restore compression and stop coolant leaks.
Manual Section: Cylinder Head GroupLocating exact factory part numbers for a damaged radiator and leaking upper and lower cooling hoses p. 100
Turn to the radiator group parts list on page 100 for hose and clamp identifiers. Verify the 4.12 kgf radiator assembly against your serial number for correct chassis fitment. Order new mounting cushions and factory hoses from the diagram to complete the cooling system repair.
Manual Section: Radiator GroupFrequently Asked Questions
How quickly can I access this manual after buying?
Instant PDF download. The full 134-page searchable Parts Catalog is available immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Are there any print restrictions on this manual?
No restrictions. The PDF is DRM-free, so print any page or section you need. Works with any standard printer.
Can I find hydraulic circuit diagrams in this Kubota B5100D-P manual?
This is a parts catalog, so it shows exploded parts diagrams rather than circuit schematics. It includes detailed exploded views of the hydraulic components, pump, control valve, cylinder, and oil lines, with OEM part numbers, not wiring-style circuit diagrams.
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