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The Allis Chalmers HD9 crawler
and the HD9G crawler loader used bimetallic discs and steel separator plates, quantity 17
each per clutch. Most of the time you can re use your steel separator plates. We have had
new plates made to replace the discs in your clutches.
ORDERING INFO:
 We can usually ship on
the same day any items we have in stock that do not have to be pulled from a
machine.
We are set up to offer the payment choices of either Visa, Master Card, or the PayPal
option (to the account of webmaster@tractorparts.com)
Al items below are in stock and if you would
like to get any of them on the way just let us know! If you are in the US you may
call 1-800-531-9021 or if you are outside the US, 1 208 342 8911. You may also
email steeringclutch@gmail.com
for orders/questions.
Our hours are Monday through Friday from 10 am
Eastern Time to 6 pm Eastern Time (8 am Mtn Time to 4 pm Mtn Time). We are located
20 miles east of Boise, Idaho.
 041781
--->70624562 Steel separator plates... 21.00 ea
70609699---057375 (70057375) Bimetallic 32.00
ea
Because the 050440 or 70050440 steering
clutch throw-out bearings were getting s-o-o-o-o expensive, and because pulling and
re-installing these steering clutches a second time is rarely a fun project, we bought a
volume of these bearings so you would not have to cut corners. Now, at $45.00 ea,
you do not have to re-use marginal or questionable bearings.
 Steering Clutch Throw-out bearing 050440
(70050440) p/n new $45.00
HD9 STEERING CLUTCH PRESSURE SPRINGS, 8 REQUIRED PER STEERING CLUTCH
$19.00 EA
$125.00 For set of 8
When new, these springs should measure 126.33mm (just a hair under 5 inches). When
you stand them all up next to each other, look for those that are shorter than they should
be (1/8" shorter is a good guideline) and you should consider replacing them.
Steering Clutch Throw-out bearing p/n 050440
(70050440) new $45.00
 Steering Clutch Throw-out Bearing Cage P/N 050249
-->70050249 new $145.00
HD9 BRAKE LINING KIT, INCLUDES RIVETS, LINING FOR ONE BAND ...........$78.00
HEAVY DUTY WOVEN LINING WOVEN WITH BRASS STRANDS, DESIGNED FOR REPEATED USE IN SEVERE
CONDITIONS, ABLE TO WITHSTAND HIGH TEMPERATURE USE (400 DEGREE)WITH MINIMAL LOSS OF
COEFFICIENT OF FRICTION.
NEWER REPLACEMENT ADJUSTING NUTS for your
brake band adjusters.
NOTE: You may also order the later 090960 adjuster which has
1/2 inch longer threads and used the narrower block 090958
and upgraded spring which comes with the newer adjuster NEW 44.00 Both early and late adjusters use the
same forks.
We also have a couple of good used adjusting forks on hand p/n 623488 @ 65.00 ea.
 Transmission
Locking Plunger Boot P/N'S
076845-->080166-->049966 BOOT NEW $11.00
Brake control rod BOOT 078908 --->70078908
earlier part numbers 051531 051532 051574
NEW $12.00 ea or $20.00 for Pair
 The following manuals are only
guidelines. Watch your serial numbers closely and when you think you have the
correct information, CHECK AGAIN!!! Allis Chalmers
made some confusing model designations. In the beginning AC made an HD6 and the
standard model, standard gauge, was called HD6B. Do not confuse this HD6B with the
later model HD6B! They are entirely different machines in almost all circumstances.
 SEARCHING FOR PARTS!?
When searching for parts, the part
numbers are, of course, very important. It is GOOD TO KNOW
that the part numbers in your parts manuals are probably NOT
the part numbers that you want to search for!!! If you have a manual showing 6 digit part
numbers, and the early machines and their parts manuals mostly show 6 digit numbers, and
you want to replace a bearing or seal for example, your local bearing and seal house will
not be able to help you if you give them that 6 digit number! For most of the
early construction equipment and loaders you will want to add a "70" in
front of the 6 digit number to make an 8 digit number. Depending on product line,
you may have to add a "73" in front of the 6 digit number. If you give
your local bearing and seal house the 8 digit part number they will be able to help you!
(or if you are doing a Google search) As with most rules, there are always
exceptions but your odds of finding the part that you need greatly increase if you do
follow this rule. "Use
an 8 digit part number by adding a "70" or "73" to your 6 digit
number."
 You do not know what may have been done to your
machine in previous repairs over the decades. Even the manuals are not always
accurate so verify with casting numbers and compare them to part numbers that you find.
AC HD9 BASIC CRAWLER SPEC'S
AC HD9 CRAWLER OPERATIONS
MANUAL
AC HD9 CRAWLER SERVICE MANUAL
TO
GIVE YOU AN IDEA OF HOW THE STEERING CLUTCH IS ASSEMBLED AND RE-ASSEMBLED I PUT TOGETHER A
PICTURE ALBUM AND STEP BY STEP EXPLANATION OF THE BASICS. YOU DO NOT NEED TO HIRE IT
DONE...........IT IS REALLY A SIMPLE PROCEDURE AND YOU DO NOT NEED TO HIRE A SHOP TO DO
THE JOB FOR YOU. JUST CLICK ON THIS PARAGRAPH AND YOU WILL BE DIRECTED TO THE WEB
PAGE WITH THE PICTURES AND EXPLANATIONS.
HD9 STEERING CLUTCH PARTS
HD9 STEERING CLUTCH SERVICE
Click on above paragraph for more info
HD9 FLYWHEEL CLUTCH PARTS
HD9 TRANSMISSION PARTS
AC HD9 CRAWLER TRANSMISSION
SERVICE
HD9 FINAL DRIVE PARTS
AC HD9 CRAWLER FINAL
DRIVE SERVICE
DETROIT
DIESEL TUNE-UP TROUBLESHOOTING AND MAINTENANCE MANUAL 1963
DETROIT
DIESEL SERIES 3-71 4-71 6-71 SERVICE MANUAL FOR AC HD7 HD10 HD14
DETROIT
DIESEL SERIES 71 3 CYL 4 CYL 6 CYL OPERATIONS MANUAL
DETROIT
DIESEL SERIES 71 3 CYL 4 CYL 6 CYL PARTS MANUAL
DETROIT
DIESEL 71 SERIES IN-LINE SERIES TRUCK AND COACH SERVICE 1950
Click HERE to view all of our new steering clutch
discs.
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for orders or
questions.
HD9 BOTTOM ROLLERS SF
037031---> 622665
HYDRAULIC CONTROL UNIT, BEGEE MODEL 1400 TWO VALVE
