Service Parts Identification............................................................................................................................................................4
Date code............................................................................................................................................................................................ 5
About service bulletins...................................................................................................................................................................5
Procedure to identify a part..........................................................................................................................................................5
Regional part numbers............................................................................................................................................................. 5
Example of a part identification (S90 100cc motor)....................................................................................................... 5
Order code.......................................................................................................................................................................................... 7
Common parts and special hardware
Common parts and special hardware CAA, CBA...................................................................................................................8
Special hardware CBC, CBE.........................................................................................................................................................12
Special hardware EAA, EBA, EFT............................................................................................................................................... 14
Special hardware EBB-EEH..........................................................................................................................................................16
Special hardware EFA-EFM.........................................................................................................................................................20
Special hardware EGL-JAB.......................................................................................................................................................... 24
Special hardware JAE-JCB...........................................................................................................................................................28
Special hardware LAB-NNN........................................................................................................................................................32
Special hardware PAA, PAB........................................................................................................................................................34
End cap
End cap 1-8, D, E............................................................................................................................................................................. 36
End cap F-Q......................................................................................................................................................................................40
End cap T, U......................................................................................................................................................................................44
End cap V, W, X................................................................................................................................................................................46
Seal kit................................................................................................................................................................................................56
The following information and procedure is used to identify the module group, item number,
manufacture date, part number, and part name of the parts included in the .
The parts listed include all parts which may be used when performing either “Minor Repairs”, “Major
Repairs” or “Conversions” on the .
Each unit will have a nameplate affixed to the housing. The nameplate will include the following
information:
Model Code
The Danfoss model code completely defines the specific unit and must be used when ordering parts to
service this product.
Model Number
The Danfoss model number is used by the factory in manufacturing. On repeat orders, a complete unit
can be ordered by the model number.
Serial Number
The Danfoss serial number is used to identify the manufacture date and the unit sequence in the build.
The serial number is also used to identify the units warranty time period.
The letter code indicates the location of original manufacture (assembly).
The first number (2 digits) indicates the year of manufacture. The second number (2 digits) indicates the
calendar week of manufacture.
The third number (5 digits) is a sequential number used to identify a specific unit.
The date code is defined as the year and week of manufacture. The same item number may list more than
one part number. This indicates that there is more than one configuration for that item number. You will
see that there are different date codes for the different part numbers. Find the date code of your unit
from the nameplate to determine which service part number you need to order.
Example: The service part desired is item G30
Order CodeItemDate BeginDate EndPart NumberPart NameQty. per
80G3089-178000243End cap gasket 1
G3089-168000151End cap gasket
(SB-1995-006)
Model/Kit
1
All units using this order code with a date code prior to 89-17 must use part number “8000151.” All units
with a date code of 89-17 and newer must use part number “8000243.”
A Service Bulletin Number (SB-_ _ _ _ - _ _ _) may follow the “Part Name” of the part you desire. You must
read that Service Bulletin prior to ordering that part. The information contained in these Service Bulletins,
as of the print date of this bulletin, are included at the end of this manual. Service Bulletins contain more
detailed information such as interchangeability, what additional parts are involved, etc. It is suggested
that you add additional Service Bulletins to this manual as you receive them.
Procedure to identify a part
The modular design of this product results in a simplified service parts list and part number identification
procedure.
The same item numbers are used for same part names on all units within a product type. A part number
that has another number following it in parentheses is done to make this a world wide manual.
Regional part numbers
Some part numbers are region specific and should be ordered accordingly.
As an example, the part number (example: 314583 (9008000-0118) will be used. The first number is sold
in Germany. The number in parentheses is sold in the United States. Customers would order
9008000-0118 if ordering the part in the United States.
Example of a part identification (S90 100cc motor)
The nameplate on a Series 90 motor has an Order Code of 90M100 NC 0 N 8 N 0 S1 W 00 EAA 00 00 N6.
Use the following procedures to determine the part number of the drive shaft used on this motor.
1. Referring to the shaft module in the Order code on page 7, the shaft option for this motor is
identified by the code “S1”. (90M100 NC 0 N 8 N 0
S1W 00 EAA 00 00 N6)
2. Referring to the Service Parts List, find the shaft group. Next find the order code that relates to this
unit,which is “S1”. The shaft is found to be item L100 and part number 11012429.
A product change has occurred on Series 90: 75cc and 100cc fixed displacement motors.
The dowel pins (item B50) have increased in diameter from 1/4” to 3/8”. With this change, the dowel pin
hole diameters in the end cap (item G04), housing (item B10), and the valve plate (item C80) have also
changed. In addition, the thrust plate (item D50) in the 100 cc fixed displacement motor has also
changed to fit the new housing.
This change creates spare parts non-interchangeability among all of the above mentioned parts. All of
the affected parts remain available for the repair of any vintage Series 90 fixed motor. Refer to the date
code portion of the serial number on the name plate of the motor being repaired when ordering parts.
Models affected
All 95-3xxx (75 cc) and 96-3xxx (100cc) series 90 fixed displacement motors
Serial numbers
Series 90: 75 cc fixed motors, 95-3xxx, changed at serial number A-88-43-xxxxx.
Series 90: 100 cc fixed motors, 96-3xxx, changed at serial number A-88-23-xxxxx.
Product Information Bulletin PIB-8801 (March, 1988) announced the incorporation of fabricated (welded)
piston assemblies, replacing non-fabricated (hollow) piston assemblies, in the cylinder blocks of all Series
90 pumps and motors. This change increases the overall efficiency of the Series 90 product line.
To simplify service parts inventory for all Series 90 units, only individual welded piston assemblies will be
available as spare parts. The hollow pistons will be obsoleted. Part numbers for individual welded piston
assemblies are listed in this bulletin.
Since all Series 90 pumps and motors have nine (9) pistons, welded pistons being used to replace hollow
pistons during repair MUST be install in the cylinder block symmetrically, in multiples of three (3).
When replacing hollow pistons with welded pistons, it is mandatory that the welded pistons be
incorporated symmetrically in multiples of three.
Models affected
All series 90 pumps and motors: 93-xxxx, 94-xxxx, 95-xxxx, and 96-xxxx pumps
Serial numbers
Welded pistons will be incorporated into all series 90 pumps and motors by the end of the first quarter of
1998.
Part numbers affected
Part numberDescription
706101Piston assembly, welded - 42 cc
367672Piston assembly, welded - 55 cc
708230Piston assembly, welded - 75 cc
364000Piston assembly, welded - 100 cc
As a product improvement, Danfoss is incorporating an externally adjustable charge relief valve on all
series 90 fixed displacement motors. This design replaces the previous shimmed relief valve. The new
design valve provides a range of pressure adjustment from 10 to 32 bar.
The diameter of the loop flushing shuttle spool increases from .25” (6.35mm) to .375” (9.53mm) at the
same incorporation date as the charge relief valve change.
This is a non-interchangeable change. Adjustable style charge relief valves can not be added to motors
manufactured before this incorporation date. Old style end caps, which house the charge relief and loop
flushing valves, will not be available as service parts. If new end caps are required, new style charge relief
and loop flushing parts must also be installed.
Charge relief valve adjustment procedures can be found in the Series 90 Service Manual (BLN- 9947 Rev.
B). Charge pressure increases/decreases at the rate of 78 psi (5.4 bar) per turn clockwise/
counterclockwise.
The new style charge relief plug protrudes from the motor end cap approximately .63” (16mm) farther
than the shimmed design. New dimensions from the center line to the top of the charge relief valve plug
are shown below.
All 100cc motors (96-3xxx) will change at s/n A-90-20-xxxxx
Part numbers affected
Charge relief and loop flushing hardware for old vintage motors can be found in the Series 90 Parts
Manual (520L0890). The new part numbers are as follows:
8000196Twin port - 55 cc
8000197Axial port - 55 cc
8100373Twin port - 75 cc
8100374Axial port - 75 cc
8200188Twin port - 100 cc
8200189Axial port - 100 cc
Series 90 55cc, 75cc, and 100cc fixed displacement motors, and 55cc and 75cc variable displacement
motors
Subject
Charge relief seat
Description
Danfoss has initiated a change to the end caps used on series 90 55cc, 75cc, and 100cc fixed
displacement motors, and the series 90 55cc and 75cc variable displacement motors.
Currently, the end caps used on these motors contain a pressed in insert, which serves as a seat for the
charge pressure relief valve assembly. The insert was originally introduced to provide a suitable wear
surface for the charge pressure relief valve poppet.
Since the original design, a number of changes to the charge pressure relief valve design have reduced
the severity of the wear characteristics between the poppet and relief seat. These changes have now
made it possible to remove the insert from the end cap assembly. The design of the motor end cap has
been modified in a manner that allows the charge relief poppet to seat directly against the casting
machined surface.
The removal of the insert was initially introduced with the series 90 130cc motors in 1995, and with this
change a more uniform product family is achieved.
To aid in identifying and tracking this change, Danfoss has released new end cap part numbers. The new
end cap is directly interchangeable with the previous end cap and with adjustable charge pressure relief
valve components. The previous end cap part numbers will no longer be available as service parts. Page 2
of this bulletin provides part number cross-reference information.
Models affected
All 94-3xxx, 943xxxx, 95-3xxx, 953xxxx, 96-3xxx, and 963xxxx fixed displacement motors.
All 94-4xxx, 944xxxx, 95-4xxx, 954xxxx variable displacement motors.
Serial numbers
Change became effective with s/n A-98-34-xxxxx and beyond.
Danfoss has introduced a design change to the motor housings used on all series 90 100cc fixed
displacement motors. The housing strength has been increased in the area of the casting ribs, by
increasing the size of the rib. This change will reduce the potential for cracking the rib of the housing
when tightening the two shorter end cap bolts.
To assist in identifying this change, Danfoss has released a new housing part number. The new housing is
completely interchangeable with the previous housing. The previous housing has been obsoleted and is
no longer available
Models affected
All 96-3xxx, and 963xxxx fixed displacement motors.
Serial numbers
Danfoss Ames Production - Effective on motor serial number A-99-44-xxxxx.
Danfoss Neumunster Production - Effective on motor serial number N-99-45-xxxxx.
Danfoss Shanghai Production- effective during the fourth quarter of 2000.
Series 90 42cc, 55cc, 75cc, and 100cc fixed displacement motors, and 55cc and 75cc variable
displacement motors
Subject
Loop flushing spring and spring seat change
Description
As a product improvement, Danfoss has changed the design of the spring and spring seat for the series
90 42cc, 55cc, 75cc, and 100cc fixed and variable displacement motors. The old design used a separate
spring and spring seat. The new design incorporates the two parts into a one piece assembly. This makes
the assembly of the spring and spring seat onto the spool much easier than the previous design.
Since the new spring assembly has a high spring rate than the previous spring, this is an interchangeable
change only if both springs and spring seats are replaced at the same time. Danfoss has issued a new part
number for the spring assembly. The previous spring seat and spring remain valid service parts since they
are used on other Danfoss products.
Models affected
All 93-3xxx, 933xxxx, 94-3xxx, 943xxxx, 95-3xxx, 953xxxx, 96-3xxx, and 963xxxx fixed displacement
motors with loop flushing options of A, B, or C.
All 94-4xxx, 944xxxx, 95-4xxx, and 954xxxx variable displacement motors with loop flushing options of A,
B, or C.
Serial numbers
Danfoss Ames, IA production - Change effective at serial number A-02-03-xxxxx.
Danfoss Neumunster, Germany production - Change effective at serial number N-01-08-xxxxx..
Part numbers affected
Previous spring seatPrevious springNew spring assembly
Series 90 55cc, 75cc, and 100cc fixed displacement motors
Subject
Change to end cap gasket material
Description
The end cap gasket material has changed. Danfoss has issued new end cap gasket part numbers. The
previous part numbers are obsolete. They are no longer available for service.
Models affected
All 94-3xxx, 943xxxx, 95-3xxx, 953xxxx, 96-3xxx, and 963xxxx fixed displacement motors.
Serial numbers
Danfoss Ames, IA production - Change effective at s/n A-01-19-xxxxx.
Danfoss Neumunster, Germany production - Change effective at s/n N-01-19-xxxxx..
Series 90 55cc pumps and motors, and 75 - 100 cc motors
Subject
Consolidation of valve plate part numbers
Description
Danfoss has consolidated the part numbers for some of the series 90 pump and motor valve plates. Our
plant in Germany has been producing the valve plates for series 90 pumps and motors since August 7,
2001. The U.S. plant has its part number for these valve plates as the German plant has its part number.
The U.S. plant will now use the German part number. This obsoletes the U.S. part numbers. Since the
parts are the same, the part number are interchangeable.
Models affected
All series 90 75 cc pumps and motors, 75 cc motors, and 100 cc motors.
Serial numbers
This change became effective at serial number A-02-46-xxxxx.
Part numbers affected
DescriptionOld part numberNew part number
Valve plate, 75 cc pump8000071314427
Valve plate, 75 cc motor8000132329748
Valve plate, 75 cc motor8100278323766
Valve plate, 100 cc motor8200134324137
Danfoss has changed the housing used in series 90 100 cc fixed motors. Material was added at the area of
the two shorter end cap mounting screws (G95). The hole for these screws is now deeper to accept the
longer screw (G90) that is used for the other four large end cap mounting screws. The six larger screws
will have the same stretch and therefore the same clamping force for the gasket sealing area. The smaller
end cap mounting screw (G96) remains the same. The “old” housing and the short screws will become
obsolete and no longer available for service.
Models affected
All series 90 100 cc fixed displacement motors
Serial numbers
US production started on 5 April 2004 (serial number A-04-15-xxxxx)
2800 East 13th Street
Ames, IA 50010, USA
Phone: +1 515 239 6000
Danfoss
Power Solutions Trading
(Shanghai) Co., Ltd.
Building #22, No. 1000 Jin Hai Rd
Jin Qiao, Pudong New District
Shanghai, China 201206
Phone: +86 21 2080 6201
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Danfoss Power Solutions is a global manufacturer and supplier of high-quality hydraulic and
electric components. We specialize in providing state-of-the-art technology and solutions
that excel in the harsh operating conditions of the mobile off-highway market as well as the
marine sector. Building on our extensive applications expertise, we work closely with you to
ensure exceptional performance for a broad range of applications. We help you and other
customers around the world speed up system development, reduce costs and bring vehicles
and vessels to market faster.
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electrification.
Go to www.danfoss.com for further product information.
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already on order provided that such alterations can be made without subsequent changes being necessary in specifications already agreed.
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