Finding the correct replacement components for your 1982 Kubota D950-BBS-1 Diesel Engine requires accurate diagrams. This 71-page Parts Catalog (OEM #07909-59000) maps the entire machine down to the last fastener. Twenty-seven exploded-view groups cover everything from the crankcase and main bearing cases to the injection pump, governor, and alternator. Each section pairs a detailed illustration with a numbered parts list, allowing you to pull exact OEM part numbers without guessing. The manual includes specific dimensions, confirming piston oversize at +0.5, crank pin metal undersize at -0.2, and the fuel overflow pipe locked at 12x2000mm. Download the bookmarked PDF directly to your device, locate your part by diagram, and avoid the delays of ordering incorrect components.
What's Inside This Kubota D950-BBS-1 Parts Manual
| System | Pages |
|---|---|
| Crankcase Group | 4-6 |
| Oil Pan Group | 7-8 |
| Cylinder Head Group | 9-10 |
| Gear Case Group | 11-13 |
| Main Bearing Case Group | 14-15 |
| Head Cover Group | 16-18 |
| Inlet Manifold Group | 19-20 |
| Valve, Rocker Arm Group | 21-22 |
| Camshaft Group | 23-24 |
| Engine Stop Lever Group | 25-27 |
| Piston, Crankshaft Group | 28-30 |
| Flywheel Group | 31-32 |
| Nozzle Holder Group | 33-34 |
| Speed Control Plate Group | 35-36 |
| Governor Group | 37-38 |
| Water Flange Group | 39-40 |
| Fuel Camshaft Group | 41-43 |
| Dynamo Group | 44-45 |
| Water Pump Group | 46-47 |
| Attached Parts Group 1 | 48-50 |
| Attached Parts Group 2 | 51-52 |
| Name Plate Group | 53-54 |
| Injection Pump | 55-57 |
| Nozzle Holder | 58-60 |
| Starter | 61-62 |
| Alternator | 63-64 |
| Air Cleaner | 65-66 |
Every system also includes a figure and a parts list.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Piston Size (Standard) | STD | p. 29 |
| Piston Size (Oversize) | +0.5 | p. 29 |
| Crank Pin Metal Size (Standard) | STD | p. 29 |
| Crank Pin Metal Size (Undersize) | -0.2 | p. 29 |
| Fuel Over Flow Pipe Dimension | 12x2000mm | p. 52 |
| Fuel Pipe Dimension | 13x2000mm | p. 52 |
| Nozzle Holder Adjusting Washer Thickness | 1.00mm | p. 59 |
Kubota D950-BBS-1 Common Problems This Manual Covers
Fuel filter assembly part number needed, original label worn and unreadable p. 48
Review the Attached Parts Group 1 exploded view on page 48. The Assy Fuel Filter is listed with its exact part number. Before ordering, confirm the connected fuel pipe size matches the 13x2000mm specification on page 52 so the replacement filter inlet fitting fits correctly.
Manual Section: Attached Parts Group 1Piston ring set part number unclear, need standard or oversize for engine rebuild p. 28
Locate the Piston, Crankshaft Group exploded view on page 28. The Assy Piston Ring features a dedicated part number. Page 29 confirms two available bore sizes: standard (STD) for an unworn cylinder and +0.5mm oversize for a bored-out block. Cross-reference the parts index to select the correct specification before placing an order.
Manual Section: Piston, Crankshaft GroupNozzle holder assembly and adjusting washer part numbers needed, correct injection pressure specification unknown p. 58
Check the Nozzle Holder exploded view on page 58. The Assy Holder and Nozzle are listed as separate parts with individual numbers. Adjusting washers come in various thicknesses (e.g., 1.00mm, 1.30mm, 1.60mm, and 1.95mm are examples of the many thicknesses available) and each has its own part number shown on pages 59 and 60. Order the correct thickness for your nozzle pressure setting.
Manual Section: Nozzle HolderInjection pump element and rack part numbers impossible to read from worn failed components p. 55
Consult the Injection Pump exploded view on page 55. The pump element, rack, control plate, and Assy Tappet are catalogued as individual line items with separate part numbers. Also verify the fuel overflow pipe part number in Attached Parts Group 2 on page 51; that pipe measures 12x2000mm and connects directly to the pump outlet.
Manual Section: Injection PumpFrequently Asked Questions
What are the replacement specifications for fuel filters?
This catalog identifies the fuel filter assembly as part number 19238-4301-0. It focuses strictly on parts identification and does not provide replacement specifications like micron ratings, flow rates, or service intervals.
What do I get after purchasing this Kubota D950-BBS-1 manual?
You receive a 71-page searchable PDF ready for immediate download. The file works on any device, allowing you to view diagrams on your phone or tablet while working in the shop. There is no shipping delay.
Can I print this Kubota D950-BBS-1 manual?
Yes. The PDF contains no DRM restrictions, meaning you can print any page or section needed for your workbench. It is compatible with any standard printer.
Document Quality
This is a scanned document with an OCR layer, so you can search and copy the full text. The text is crisp and easy to read throughout the document. Diagrams and illustrations are clear raster images, with all labels readable, though they may pixelate at high zoom levels. Pages are clean with minimal scan artifacts and only slight skew on some pages, which does not affect readability. There are no notable blank or filler pages.
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