This Kubota AT70S-AMERICA Parts Catalog runs 69 pages with a single purpose: showing every part on your AT70S tiller, from the cylinder down to the tine shaft. Exploded views cover 35 assemblies, among them the carburettor component parts, transmission case, gear, magneto, and rotary case. Each callout ties a numbered component to its exact part number, so the right gear or shaft goes in your cart the first time. A full product index sits alongside dedicated Option Parts and Accessories listings. Match the camshaft shim at 0.20 mm, or pull the +0.25 mm oversize connecting rod service set once a crank has been reground. No more squinting at a smeared number and ordering the wrong piece twice. Every assembly is bookmarked: tap one and land straight on its parts page, whether you're on a laptop, tablet, or phone in the shop.
What's Inside This Kubota AT70S-AMERICA Parts Manual
| System | Pages |
|---|---|
| Cylinder | 4-5 |
| Breather | 6-7 |
| Air Cleaner | 8-9 |
| Muffler | 10-11 |
| Camshaft | 12-13 |
| Piston and Crankshaft | 14-15 |
| Governor Lever | 16-17 |
| Recoil Starter | 18-19 |
| Magneto | 20-21 |
| Carburettor [Component Parts] | 22-23 |
| Transmission Case | 24-25 |
| Gear | 26-27 |
| Tension Pulley | 28-29 |
| Axle | 30-31 |
| Tire | 32-33 |
| Shift Fork | 34-35 |
| Chain Case | 36-37 |
| Rotary Case | 38-39 |
| Tillage Drive Shaft | 40-41 |
| Tine Shaft | 42-43 |
| Rotaty Cover | 44-45 |
| Side Cover | 46-47 |
| Tine Change Lever | 48-49 |
| Handle | 50-51 |
| Change Lever 1 | 52-53 |
| Change Lever 2 | 54-55 |
| Label | 56-57 |
| Front Frame | 58-59 |
| Belt Cover | 60-61 |
| Fuel Tank | 62-63 |
| Furrower [B Type] | 64-65 |
| Option Parts | 66-68 |
| Accessories and Service Parts | 69-69 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| SHIM | 0.20MM | p. 13 |
| CON/ROD,SERVICE SET | +0.25MM | p. 15 |
| Comp. Cylinder Weight | 6.8 kgf | p. 5 |
| Comp. Muffler Weight | 1.3 kgf | p. 11 |
| Camshaft Shim Thickness | 0.20MM | p. 13 |
| Connecting Rod Service Set (Oversize) | +0.25MM | p. 15 |
| Crankshaft Weight | 2.23 kgf | p. 15 |
| Crankshaft Shim Thickness | 0.40MM | p. 15 |
| Assy Magneto Weight | 6.2 kgf | p. 21 |
| Assy Weight, Wheel Weight | 25 kgf | p. 67 |
| Assy Weight, Front Weight | 14 kgf | p. 67 |
| Weight, Wheel Weight | 10.45 kgf | p. 67 |
Kubota AT70S-AMERICA Common Problems This Manual Covers
Tiller feels down on power and the cylinder and gasket part numbers for a replacement order aren't obvious p. 5
Open the cylinder parts list on page 5. Match the cylinder body, head gasket, and mounting bolts against the numbered callouts in the exploded view. The complete cylinder assembly weighs 6.8 kgf, so confirm you're ordering the single component, not the full assembly. Cross-check the part numbers against your serial number range in the parts index.
Manual Section: CylinderNo spark, no start, and you need the complete magneto assembly part number p. 21
Inspect the magneto exploded view on pages 20 and 21. Decide whether you need individual components or the complete unit. The assembled magneto is listed at 6.2 kgf and carries its own part number, separate from the flywheel and coil. Cross-reference your serial number range in the parts index before ordering to confirm fitment.
Manual Section: MagnetoEngine runs rough and lacks power, and the correct camshaft shim thickness isn't clear p. 13
Measure your old shim with a micrometer, then turn to the camshaft exploded view on pages 12 and 13. The shim comes in 0.20MM and 0.30MM thicknesses, each with a separate part number. Match it to the parts list callout, then verify the camshaft and bearing numbers against your serial number range in the parts index.
Manual Section: CamshaftCrankshaft journal worn after a rebuild, and the oversize connecting rod service set part number is unknown p. 14
Compare your reground journal to the oversize options in the piston and crankshaft parts diagram on page 14. The connecting rod service set comes in +0.25MM and +0.50MM oversize, each with its own part number. Pick the set that matches your measurement, then confirm the crankshaft and shim numbers against your serial range in the parts index.
Manual Section: Piston and CrankshaftMuffler has rusted through and needs replacing, but the assembly and gasket part numbers are hard to find p. 11
Locate the muffler exploded view on pages 10 and 11. Match the muffler body, gasket, and mounting bolts to the numbered callouts in the parts list. The complete muffler assembly is listed at 1.3 kgf, so decide whether you need the full unit or individual parts. Cross-reference the numbers with your serial number range before ordering.
Manual Section: MufflerFrequently Asked Questions
What are the replacement specifications for spark plug?
Part number 12366-67710 is the spark plug for the AT70S-AMERICA. It appears in the Magneto assembly section under reference number 010.
What are the replacement specifications for carburetor?
Which carburetor assembly you order depends on the tiller's serial number. Serial numbers up to 551979 take part 13415-44013. From 551980 up, it's 13415-44014, 13415-44015, or 13415-44016, depending on the exact serial range.
How quickly can I access this Kubota AT70S-AMERICA manual after buying?
Immediate download of the complete 69-page searchable Parts Catalog. Read it on any device: a laptop at your desk or a phone in the field.
Are there any print restrictions on this Kubota AT70S-AMERICA manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Document Quality
This is a scanned parts manual that has been processed with OCR, so you can search the full text and copy part numbers. The text in the parts tables is clear and easy to read, while the exploded-view diagrams are raster images with readable callout numbers, though some appear slightly faded. The pages are generally clean with minor scanning artifacts, and you should note that one page for "ACCESSORIES AND SERVICE PARTS" is a placeholder stating "IMAGE NOT AVAILABLE".
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