Part of the Kubota Parts Manuals.
This is the official Kubota AT70S-AMERICA parts catalog, a 69-page PDF for the AT70S-AMERICA rear tine tiller. It breaks the whole machine into sections, from the cylinder, camshaft, piston and crankshaft, and carburettor to the transmission case, gears, chain case, rotary case, tine shaft, and the handle and lever controls.Each section pairs a numbered exploded diagram with a parts table listing the reference number, Kubota part number, description, quantity, and the serial number range a part fits. That serial number column lets you order the exact version for your tiller, which matters where parts changed during production.Use it to identify worn engine, drivetrain, or rotary parts, look up carburetor and recoil starter components, and confirm the right Kubota part numbers before you buy for a repair or restoration.
What's Inside This Kubota AT70S-AMERICA Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Clutch & Transmission | Transmission Case, Shift Fork | |
| Fuel System | Air Cleaner, Governor Lever, Carburettor, Fuel Tank | |
| Engine | Breather, Muffler, Camshaft, Piston and Crankshaft | |
| Electrical System | Recoil Starter, Magneto | |
| Hydraulics & 3-Point Hitch | Cylinder | |
| Loader, Backhoe & Attachments | Chain Case, Rotary Case, Tillage Drive Shaft, Tine Shaft, Rotaty Cover, Tine Change Lever | |
| Body & Operator Station | Side Cover, Front Frame, Belt Cover | |
| Decals & Accessories | Label, Accessories and Service Parts | |
| Other Components | Gear, Tension Pulley, Axle, Tire, Handle, Change Lever 1, Change Lever 2, Furrower, Option Parts |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| SHIM | 0.20MM | p. 13 |
| CON/ROD,SERVICE SET | +0.25MM | p. 15 |
| 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 |
| Weight, Wheel Weight | 10.45 kgf | p. 67 |
Kubota AT70S-AMERICA Common Problems This Manual Covers
Hard starting after storage
A tiller that will not start after sitting usually has stale fuel, a gummed carburetor, or a fouled spark plug. Use the exploded views to identify the carburetor components you need to clean or replace.
Manual Section: Carburettor [Component Parts] p. 22Rough running or loss of power
Rough running and weak power often follow a clogged air cleaner or a bad air and fuel mixture. This section shows the air cleaner parts for cleaning or replacement.
Manual Section: Air Cleaner p. 8Weak or no spark
Difficult starting can also come from the ignition side. The Magneto section lays out the ignition components so you order the correct parts.
Manual Section: Magneto p. 20Tines fail to engage or drive
When the tines will not turn or the drive slips, the transmission gears or selectors are often worn. The Transmission Case section identifies these internal parts.
Manual Section: Transmission Case p. 24Worn drive chain or chain case drag
A worn drive chain, or a chain case that drags on the ground in reverse or at full depth, ties back to the chain case parts. The exploded view lists the chain, sprockets, and housing components.
Manual Section: Chain Case p. 36Recoil starter hard to pull
A recoil starter that sticks or is hard to pull, especially in the cold, usually needs recoil parts. This section identifies the spring, rope, and pulley for a rebuild.
Manual Section: Recoil Starter p. 18Frequently Asked Questions
What does this catalog cover?
It covers the Kubota AT70S-AMERICA rear tine tiller. The 69-page catalog splits the machine into engine, transmission, rotary, and control sections, each with exploded diagrams and Kubota part numbers.
Is this a repair manual or a parts catalog?
It is a parts catalog. It provides exploded illustrations, Kubota part numbers, quantities, and serial number ranges for ordering parts, not step-by-step repair or torque procedures.
How do I find the right part for my serial number?
Each parts table has a serial number (S.No.) column showing the range a part fits. The Instructions for Parts Books page explains how to read it so you order the correct version for your tiller. p. 1
Does it include carburetor and transmission parts?
Yes. There is a Carburettor component parts section and separate transmission case, gear, and chain case sections, all with exploded diagrams and part numbers. p. 22
How quickly can I access this 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 manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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