OEM #11045 covers 130 pages of exploded diagrams organized by system, so you can pin down the exact part number for your B6100HST-E without burning half a morning on hold with a dealer. Fifteen pages of engine views break down the crankcase (27 kgf), cylinder head (9.5 kgf), injection pump, and governor. Another 12 pages map the drivetrain from transmission case through differential and PTO shafts. The hydrostatic transmission, control valve, and related hydraulic component diagrams get 10 pages of their own, each diagram pairing component layouts with individual part numbers. Factory assembly weights appear alongside every sub-component callout. Bookmarked by system and keyword-searchable, the catalog opens on any device and drops you straight into the assembly you need.
What's Inside This Kubota B6100HST-E Parts Manual
| System | Pages |
|---|---|
| Crankcase | 5-6 |
| Cylinder Head | 7-8 |
| Gear Case | 9-10 |
| Bearing Case | 11-12 |
| Breather | 13-14 |
| Inlet Manifold | 15-16 |
| Valve Rocker Arm | 17-18 |
| Head Cover | 19-20 |
| Camshaft | 21-22 |
| Piston Crankshaft | 23-24 |
| Flywheel | 25-26 |
| Nozzle Holder | 27-28 |
| Injection Pump | 29-30 |
| Speed Control Plate | 31-32 |
| Governor | 33-34 |
| Dynamo | 35-36 |
| Clutch | 37-38 |
| Name Plate | 39-46 |
| Starter | 47-48 |
| Oil Pressure Pump | 49-50 |
| Transmission Case | 51-52 |
| Case Cover | 53-54 |
| Axle Case | 55-56 |
| Wheel Hub [America] | 57-58 |
| Clutch Rod | 59-60 |
| 1st Shaft 4th Shaft | 61-62 |
| 2nd Shaft Front Wheel Shaft | 63-64 |
| 3rd 5th PTO SHAFT | 65-66 |
| Differential | 67-68 |
| Aux. Speed Change | 69-70 |
| Rotary Speed Change | 71-72 |
| Brake | 73-74 |
| Hydraulic Pipe | 75-76 |
| Hydrostatic Transmission | 77-78 |
| Control Valve | 79-80 |
| Hydraulics 1 | 81-82 |
| Hydraulics 2 | 83-84 |
| Steering | 85-86 |
| Brake Rod | 87-88 |
| Release Rod | 89-90 |
| Speed Change 1 | 91-92 |
| Speed Change 2 | 93-94 |
| Seat | 95-96 |
| Clutch Housing | 99-100 |
| Front Wheel Support | 101-102 |
| Radiator | 103-104 |
| Fender | 105-106 |
| Bonnet | 107-108 |
| Muffler | 109-110 |
| Fuel Tank | 111-112 |
| Battery | 113-114 |
| Panel | 115-116 |
| Air Cleaner | 117-118 |
| Fuel Filter | 119-120 |
| Front Axle [Ep] | 121-122 |
| Front Wheel Hub [Ep] | 123-124 |
| 3-Point Linkage [Ep Dp] | 125-126 |
| Speed Change 2 [Option] | 127-129 |
| Accessory and Service Parts | 130 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Assy Crankcase Weight | 27 kgf | p. 6 |
| Assy Cylinder Head Weight | 9.5 kgf | p. 8 |
| Assy Crankshaft Weight | 8 kgf | p. 24 |
| Dynamo Weight | 1.7 kgf | p. 36 |
| Assy Disk Clutch Weight | 0.9 kgf | p. 38 |
| Starter Drive End Frame Weight | 0.45 kgf | p. 48 |
| Assy Bracket Tank Weight | 3.5 kgf | p. 112 |
| Battery Weight | 9.3 kgf | p. 114 |
| Assy Radiator Weight | 6 kgf | p. 104 |
| Assy 3-P.Link Hitch Weight | 28 kgf | p. 126 |
| Assy Steering Weight | 6.8 kgf | p. 86 |
| Bonnet Weight | 9.2 kgf | p. 108 |
Kubota B6100HST-E Common Problems This Manual Covers
Kubota B6100HST-E hydrostatic transmission part number unclear, multiple diagrams across serial number ranges p. 77
Open the Hydrostatic Transmission diagram on page 77 and cross-reference the exploded view against your serial number range before ordering any HST pump or motor component. Page 78 itemizes each internal component separately. Check page 130 (Accessory and Service Parts) for superseded part numbers or service kit listings that may consolidate individual pieces.
Manual Section: Hydrostatic TransmissionCorrect hydraulic filter or suction strainer part number hard to identify without cross-referencing multiple diagrams p. 81
Locate the Hydraulics 1 diagram on page 81 for the main circuit filter location and part number. If the strainer sits upstream of the pump, refer to the Oil Pressure Pump diagram on page 49. Page 75 (Hydraulic Pipe) shows line routing and confirms which filter housing belongs to which circuit. Note your serial number range before ordering; part numbers can differ between production runs.
Manual Section: Hydraulics 13-point hitch linkage pins, bushings, or lift arm part numbers confusing due to EP and DP variant splits p. 125
Refer to page 125 for the 3-Point Linkage [Ep Dp] exploded view, which separates EP and DP variant components visually. The complete hitch assembly weighs 28 kgf (page 126), so confirm you are ordering individual components rather than the full assy. Match each item number in the adjacent parts list to your serial number range before placing an order.
Manual Section: 3-Point Linkage [Ep Dp]Steering component part numbers needed but diagrams split between axle and hydraulic sections p. 85
Pull up the Steering exploded view on page 85. The full steering assembly weighs 6.8 kgf (page 86), giving you a weight reference to verify you have the complete unit itemized. For hydraulic steering supply components, review the Control Valve diagram on page 79, since the valve body interfaces with the steering circuit. Verify your EP or standard front axle variant on page 121 before ordering steering knuckle or linkage parts.
Manual Section: SteeringAir cleaner element and fuel filter part numbers needed for scheduled maintenance parts order p. 117
Find the Air Cleaner diagram on page 117, with its parts list on page 118. Fuel Filter coverage begins on page 119. Both sections break down housings, elements, and seals individually. For a consolidated order, check page 130 (Accessory and Service Parts) for any packaged service kits that combine these into a single part number.
Manual Section: Air CleanerPTO shaft seal or bearing part number unclear when sourcing from drivetrain section p. 65
Navigate to page 65 for the 3rd 5th PTO Shaft exploded view and parts list, where each seal, bearing, and snap ring has its own item number. Cross-reference with the Clutch diagram on page 37 if the issue sits at the clutch-PTO interface. The Assy Disk Clutch weighs 0.9 kgf (page 38), which helps verify you are referencing the correct sub-assembly when confirming seal kit contents.
Manual Section: 3rd 5th PTO SHAFTFrequently Asked Questions
What are the replacement specifications for hydraulic filter?
The hydrostatic transmission uses a "CARTRIDGE OIL FILTER," Part No. 66204-36160, weighing 0 kgf (0 lb). The hydraulic pipe system uses a "STRAINER," Part No. 66611-36120, weighing 0.2 kgf (0.44 lb).
What are the replacement specifications for engine oil filter?
Two engine oil filter parts are listed: "FILTER OIL," Part No. 15371-32110, at 0.4 kgf (0.88 lb), and "CARTRIDGE OIL FILTER," Part No. 15241-32090, at 0.35 kgf (0.77 lb).
Is this Kubota B6100HST-E Parts Catalog a digital download?
Yes. After payment you receive an instant PDF download of the full 130-page searchable Parts Catalog. Open it on a laptop, tablet, or phone right in the shop.
Is this Kubota B6100HST-E Parts Catalog printable?
Yes, print as many copies as you like with no restrictions. Many mechanics print just the section they need and bring it to the shop floor.
Are there hydraulic schematics in this Kubota B6100HST-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.
Document Quality
This document is a scanned PDF with an OCR layer, enabling you to search and copy text from the part number tables. The text quality in these tables is generally crisp and easy to read, ensuring clarity for all descriptions. Diagrams and illustrations are raster images, which will pixelate when zoomed in, but their labels and part numbers are clearly legible. Pages are clean with no significant scan artifacts or skewing throughout the document. You will find one filler page explicitly stating "IMAGE NOT AVAILABLE."
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