Part of the Kubota Parts Manuals.
Need the OEM part numbers for your Kubota B7100HST-D or B7100HST-E? This 180-page parts catalog maps every component on both variants down to the last fastener. Ninety pages of exploded-view parts lists span engine internals, drivetrain shafts, the HST assembly, hydraulic circuit components, and chassis hardware, with each entry showing reference numbers, quantities, serial number applicability, and country codes. hydraulic parts diagrams trace the full gear pump and control valve routing, while component-level breakdowns drill into the injection pump, nozzle holder, HST unit, starter, and dynamo. Steering collar clearance runs 1.515 to 1.535 mm, and the crankshaft assembly is cataloged at 8 kgf (17.6 lb), so you know what you're lifting before the engine comes out. Stop cross-referencing forum posts to guess a number. Bookmarked by system and keyword-searchable: pull it up on your phone, find the part, place the order.
What's Inside This Kubota B7100HST-D, B7100HST-E Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Nozzle Holder, Fuel Pump, Injection Pump, Speed Control Plate, Governor, Air Cleaner, Accelerator Rod, Fuel Tank/Accelerator Lever, Fuel Filter, Speed Control Pedal | |
| Cooling System | Fan/Dynamo, Radiator/Oil Cooler | |
| Engine | Crankcase, Oil Pan, Piston/Crankshaft, Main Bearing Case, Flywheel, Cylinder Head, Valve/Rocker Arm, Cylinder Head Cover, Inlet Manifold, Exhaust Manifold, Camshaft, Gear Case, Upper Gasket Kit, Lower Gasket Kit, Muffler, Front Gear Case | |
| Electrical System | Dynamo, Starter, Battery, Light | |
| Clutch & Transmission | Clutch, Clutch Rod, Clutch Pedal, Clutch Housing, Transmission Case, Hi-Lo Gear Shift Lever, PTO Gear Shift Lever | |
| PTO | PTO Cover, Rear PTO, Mid PTO | |
| Rear Axle, Differential & Brakes | Rear Differential, Rear Axle, Rear Axle Case, Brake, Brake Rod/Pedal | |
| Front Axle & Steering | Propeller Shaft, Front Wheel Drive Shaft, Front Wheel Hub, Front Axle Arm, Front Differential, Front Wheel Support, Steering | |
| Hydraulics & 3-Point Hitch | Hydraulic Gear Pump, Hydraulic Pipe 1, Hydraulic Pipe 2, Lift Arm, Hyd.Cylinder Cap, Control Valve, 3-Point Linkage | |
| Body & Operator Station | Case Cover, Hood, Fender, Seat, Step | |
| Decals & Accessories | Label 1, Label 2, Accessories and Service Parts | |
| Other Components | Panel, HST, 2nd Shaft, 3rd Shaft/5th Shaft, 4th Shaft, Neutral Holder, Speed Change Plate, Wheel Hub, Front Drive Shaft, Front Drive Lever, Knuckle Arm |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| WASHER ADJUSTING clearance | 1.00MM | p. 23 |
| COLLAR ADJUSTING clearance | 1.515 TO 1.535MM | p. 154 |
| Crankshaft Assembly Weight | 8 kgf / 17.6 lb | p. 11 |
| Cylinder Head Assembly Weight | 9.2 kgf / 20.24 lb | p. 17 |
| Nozzle Holder Adjusting Washer Thickness | 1.00MM | p. 23 |
| Injection Pump Assembly Weight | 2.16 kgf / 4.752 lb | p. 37 |
| Dynamo Assembly Weight | 1.7 kgf / 3.74 lb | p. 49 |
| Clutch Disk Assembly Weight | 0.93 kgf / 2.046 lb | p. 53 |
| Air Cleaner Body Weight | 0.69 kgf / 1.518 lb | p. 61 |
| Radiator Assembly Weight | 6 kgf / 13.2 lb | p. 71 |
| Battery Assembly Weight | 9.3 kgf / 20.46 lb | p. 77 |
| Clutch Housing Weight | 21 kgf / 46.2 lb | p. 87 |
Kubota B7100HST-D, B7100HST-E Common Problems This Manual Covers
Kubota B7100HST-D HST unit part numbers unclear when ordering internal rebuild components p. 96
Open the HST exploded view on page 94, then cross-reference internal component parts on pages 96-98. The component parts spread breaks down the HST into individually orderable pieces. Match your serial number suffix to verify you're pulling from the correct column before ordering seals, O-rings, or valve components.
Manual Section: HST [Component Parts]Can't identify correct gasket kit part numbers for engine top-end overhaul p. 44
Check page 44 for the Upper Gasket Kit parts list, which covers cylinder head and valve train sealing components. For lower end work, the Lower Gasket Kit parts list is on page 46. Order both kits by part number from those diagrams rather than sourcing individual gaskets, since the kits include all required mating surfaces in one line item.
Manual Section: Upper Gasket KitHydraulic control valve O-ring and ball seat components hard to identify for seal replacement order p. 165
Turn to the Control Valve exploded view on page 163, then the Component Parts breakdown on page 165. That spread itemizes the ball, seat, spring, and O-ring positions individually with part numbers. Cross-reference each position against your parts index to confirm correct quantities; the valve assembly contains multiple O-ring sizes that are not interchangeable.
Manual Section: Control Valve [Component Parts]Electrical panel fuse and relay part numbers needed after repeated no-start troubleshooting p. 80
Locate the Panel parts list on page 80. That diagram covers the instrument panel assembly including fuse holders and related electrical components. For the starter circuit specifically, cross-reference the Starter parts list on page 72 and the Starter Component Parts on page 74 to identify relay and solenoid part numbers by position number in the exploded view.
Manual Section: PanelSteering knuckle arm and tie rod part numbers difficult to sort out for front axle rebuild p. 153
Start with the Knuckle Arm parts diagram on page 151, then the Steering parts list on page 153. Page 154 includes adjusting collar clearance specs ranging from 1.515 to 1.655 mm in stepped increments, so order the correct collar part number for your measured clearance. Cross-reference with the Front Axle Arm diagram on page 141 to confirm all pivot and linkage parts are captured before submitting your order.
Manual Section: SteeringHydraulic gear pump component part numbers needed when sourcing internal wear parts separately p. 56
Reference the Hydraulic Gear Pump overview on page 54 for the assembly-level part number, then turn to the Component Parts breakdown on pages 56-57 for individual internal pieces. Each gear, bushing, and seal is listed separately with its own part number. Verify the diagram position numbers match what you have on the bench before ordering, as pump internals are position-specific.
Manual Section: Hydraulic Gear Pump [Component Parts]Frequently Asked Questions
What are the replacement specifications for gaskets?
The manual provides part numbers and quantities for various replacement gaskets. For example, within the "UPPER GASKET KIT" section, a "GASKET CYLINDER HEAD" is listed with part number 15371-03312 and a quantity of 1 for replacement.
How will I receive this Kubota B7100HST-D, B7100HST-E Parts Catalog?
This is a 180-page searchable PDF ready for immediate download. It works on any device, so you can pull it up on your phone while you're under the hood. No shipping, no waiting.
Are there any print restrictions on this Kubota B7100HST-D, B7100HST-E manual?
Yes, print as many copies as you want; there are no restrictions. Many mechanics print only the section they need and carry it to the shop floor.
Are there hydraulic schematics in this Kubota B7100HST-D, B7100HST-E 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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