The D4C (models 39A, 40A) and D4D
(78A, 22C, 82J, 83J and others) steering clutches went through a small design
difference from the earlier D4 4G, 7J, 2T, 5T, and 6U/7U series. The early
D4's originally used the riveted on lining style of friction discs and progressed to the
bimetallic 3F5504 discs. The D4C and D4D continued with the 3F5504 bimetallic
discs while the steel discs and inner driving drums went through a change. The inner
driving drums changed from straight splined driving hubs to a ramp style driving drum
(8H1174) and this requires the use of the 2H6936 steel separator plates. This
design began during the production of the late 6U/7U models. There is also a later
style D4C which is totally different from the originsl D4C models 22C 39A and 40A.. The
D4E uses the same oil type clutch discs as the oil type D4D and D4C's. They use a
different quantity so check your parts pages for quantities.
D4D machines developed further and the steering clutches were offered with OIL
CLUTCHES as an option, and finally the Oil Type Steering Clutches became standard.
We also carry those discs and they can be seen underneath the Dry Type discs and parts.
 Free shipping in US only, Priority Mail or UPS Ground, on orders
$500 or higher.
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)
All 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.
D4 3F5504 Bimetallic friction discs @ $21.00 ea (Qty 11 used per clutch)
D4 2H6936 Steel separator plates @ $12.00 ea (Qty 10 used per clutch)
ONE COMPLETE CLUTCH PACK OF 11
FRICTION AND 10 STEELS = $351.00
 D4 STEERING CLUTCH HUB....8H1174 FOR LATE
STYLE D4 dry type clutches using the 2H6936 Steel Separator Plates
8H1174..........$185.00
BRAKE DRUM 2B8824. These brake drums fit the early D4C 39A 40A SERIES
and D4D 78A SERIES . They have 10 bolt holes! Be careful here and count
your bolt holes! If you have 14 bolt holes, you need the 7K8237 brake
drum. You do not know what may have been done to these machine in their course of
history and repair. 250.00 EA
Bellows type final drive seals for the early D4 and
D4C are in stock. $139.00 CLICK HERE FOR
DETAILS
These seals wil fit D4C models 24A, 39A, 40A,54A, 55A, 69C
D4 FINAL DRIVE SEAL 1A7589--->3B5706--> 1H9887--> 5H0425 BELLOWS SEAL
 D4 STEERING CLUTCH SPRINGS AND CLUTCH
COMPRESSION TOOL
6B8807 OUTER SPRING (8 REQUIRED) 4.00 EA
6B8804 INNER SPRING (8 REQUIRED) 3.50 EA
CLUTCH COMPESSION TOOL 3B6779-->5F5038-->7S8431-->1U9349 65.00
EA
D4C D4D LINING KITS
FOR 3 PIECE BRAKE BAND. (Includes Rivets)
FITS MODELS D4 7U 40737-UP 6U
12118-UP D4C 39A and 40A D4D 78A
955 12A3888-UP 955 60A
FOR THE D4C-D4D THE PART NUMBER FOR THE
LINING KIT (W/ RIVETS) IS 9H4280 $57.00 PER KIT
7K8237 BRAKE DRUM.........BE SURE AND COUNT YOUR BOLT HOLES! THIS DRUM
HAS 14 MOUNTING BOLTS AND EARLIER DRUMS HAVE 10 BOLT HOLES.
250.00 EA
D4D
8Y6306 NEW BANDS !!!Sometimes your brake
band is worn or rusted out so thin that it is no longer usable. Sometimes it
has some subtle bends, slightly out of shape, or has wallowed out rivet holes or
rusted out boltholes. Often, if you followed service instructions for brake band
removal, you probably destroyed one or two sections!! This makes installing new
linings difficult. They almost always have broken off carriage bolts or bolts so
old that they are no longer trustworthy. We use the newer style brake linings for
these brake bands.
For complete NEW 3 PIECE brake bands with the new style
linings and all new carriage bolts, $267.00 ea These
will fit the early Early D4C Model 22C, 39A, 40A crawlers and the following D4D Models and
Track Loaders, ALL WITH DRY TYPE CLUTCHES:
54A 55A 60A 67A 69A 78A 85A 88A 89A 91A 92A 97F 44H 47H 70H 75H 20J
58J 59J 60J 61J 65J 66J 72J 78J 82J 83J 84J 63K 7R 74U
TYPICAL PARTS PAGES SHOWING THE STEERING
CLUTCH and BRAKES
FOR D4D 83J If you need parts or service information for your particular model
just email us at steeringclutch@gmail.com
There are many more files toward bottom of this page.
It is often easier and less expensive to just replace all 3 pieces @ $267.00
 NEW D4D STEERING CLUTCH THROW-OUT
BEARING P/N 1B4102
$45.00 EA
FITS D4 4G 7J 2T 5T 6U 7U VINTAGE MODELS AS WELL AS D4C AND D4D TRACTORS
ALSO FITS 955 12A AND 955 60A THIS BEARING WILL EVEN FIT THE
DIESEL 40 CRAWLERS
 D4 FLYWHEEL CLUTCH FRICTION DISCS.2
REQUIRED PER CLUTCH @ 64.00 EA.
2H6121--->4H2923--->1S8183--->4S9074 (PART NUMBER CHANGES OVER
THE YEARS)
GENERAL
SPECIFICATIONS FOR THE EARLY D4C(39A AND 40A SERIES FROM 1959 THRU 1963)
and to see how the D4C compared to the
earlier D4 6U/7U series (CLICK
HERE)
GENERAL SPECIFICATIONS FOR
THE D4D
OIL TYPE STEERING CLUTCHES
ONE COMPLETE CLUTCH PACK OF (9)
FRICTIONS, 9 STEELS AND ONE SPECIAL PLATE = $205.50
 5K8617---> 3A2858--->6Y7914
FRICTION DISCS (CORK SURFACE) $12.00 EA.
 5K8616 STEEL SEPARATOR PLATES
$9.00 EA
 4K1333--> 9K5484--> 2Y5134-->
5V0593 SPECIAL PLATE (BIMETALLIC FOR OIL TYPE CLUTCHES) $16.50 EA
LINING KITS FOR THE OIL TYPE CLUTCHES......INNER AND
OUTER LININGS AND RIVETS......LINING KIT $269.00
Click HERE to view all of our new steering clutch
discs.
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for orders or
questions.
