PRODUCT SUPPORT PROGRAM FOR REPLACING THE DEF PUMP ON CERTAIN CATERPILLAR PRODUCTS Caterpillar


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PRODUCT SUPPORT PROGRAM FOR REPLACING THE DEF PUMP ON CERTAIN CATERPILLAR PRODUCTS [UEBE0356]
AIR INLET AND EXHAUST SYSTEM
AFTERTREATMENT GP
UEBE0356-02

05Jun2020
(Revised 19Nov2020)


U-374
A-317
D-360
O-355
TM-4
TA-2

 

After Failure Only

  
  

PRODUCT SUPPORT PROGRAM FOR REPLACING THE DEF PUMP ON CERTAIN AVSpare PRODUCTS

108J 108H
PS54360
NOTE:

AVSpare’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to AVSpare.

NOTE:

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS54360" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

NOTE:

The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your AVSpare product analyst.

 
NOTE:

This Revised Service Letter replaces the 05Jun2020 (Revised 24Jun2020) Service Letter. Changes have been made to the Affected Product, Parts Needed, Action Required, and Service Claim Allowances.


TERMINATION DATE

30Jun2022

PROBLEM

The existing DEF pump can fail on certain AVSpare Products equipped with a C9.3, C9.3B, C13, C15, or C18 Engine. If the existing DEF pump fails it can cause failure to prime fault codes and result in inducements possibly shutting down engine.

AFFECTED PRODUCT

Model Identification Number
*******Group  1*******
C13 JR900100-00172, 174-247, 251-259, 261-422, 426-429, 432-480, 484-510, 513-514, 520-534

N3F01493-01495, 1534, 1686, 2174, 2614, 2617
C18  N8F00893
C9.3  CS900797-00800, 821-823, 827-834, 839-842, 851, 859-862, 873-876, 881-883, 888, 950-952, 960, 963, 983-984, 989, 996-997, 1002, 1014-1024, 1027-1030, 1053-1055, 1063-1064, 1075-1085, 1149, 1154, 1422, 1449, 1460-1462, 1469, 1477, 1493-1494, 1496-1498, 1501, 1504, 1506, 1550, 1589-1590, 1595, 1601, 1690, 1750-1751, 1754, 1784-1785, 1789-1790, 1797-1799, 1804, 1806, 1810, 1815, 1820, 1864
*******Group  2*******
140-13 N9400101-00103

N9500151-00155
16M 3  N9Y00104-00108, 201-203, 207-209, 225-236
18M 3  N9A00225-00231
725C  TFB00111-00836
725C 2  2T300111-00453
725C OEM  T2600101-00103, 90104-90105
730  3T300121
730C  TFF00121-01413
730C 2  2T400121-00887
730C 2 EJ  2T500131-00149
730C EJ  TFH00131-00160
730C OEM  T2800101-00104, 90105-90106
735  3T500141-00144
824K  23400258, 4001-4013
825K  23300257, 5001-5024
826K  23200256-00257, 6001-6047, 6200-6331
834K  TWY00200, 301-303, 700-708
836K  TWZ00250-00254, 401-455, 500-654
966M DYC00236-00238, 401-795, 1001-1388

EJA00138-00154, 1380-1755

KJP00401-01286, 1601-1879, 2401-2740

LMM00201, 10202-10287
966M XE B8P00203-00214, 302-491

FL200201-00272

P6C00287, 301-589, 901-1137
972M A8P00201-00688, 901-1094, 1501-1693

GGN00201, 10202-10228

JPR00236-00240, 301-610, 801-960

LSJ00152-00162, 1520-1745
972M XE EDW00101-00104, 201-415, 701-904

L9S00101-00186

M5S00102-00113, 201-366
980M  N8T00225-00228, 301-627, 801-925
988K T8E00101-00107

TWX00150-00156, 201-502, 600-1389
988K XE  EWX00150-00154
D6T LGP HTZ00002

JML00250-00436

SGT00100-00553

SGZ00100-00183, 190-262
D6T LGP PAT CR300100-00129

RAD00001, 326-1038
D6T LGP VPAT K1R00100-00122

MH700326-00508
D6T XL 2B300100-00148

KMR00201-00639

MEL00100-00243

NDY00201-00331
D6T XL PAT SGA00100-00106

WES00276-00419
D6T XL VPAT 2D200100-00108

HYT00275-00331
D6T XW AK700100-00105

CG800100-00109

MB500225-00275

TMY00226-00385
D6T XW PAT STE00100-00104, 106-130

WRN00301-00583
D6T XW VPAT 7C900100-00110

JNM00300-00406
D7E  HKA00401-00510
D7E LGP  SSH00300-00302
PL72  P7200120-00133
PL83  CB200120-00226
PL87  TEC00100, 120-246
*******Group  3*******
C13 JR900260, 423-425, 430-431, 481-483, 511-512, 515-519

N3F00001-00053, 55, 500-865, 867-1322, 1324-1395, 1397-1402, 1406-1411, 1414-1415, 1421-1465, 1468-1484, 1487-1492, 1496-1533, 1535-1685, 1687-1929, 1931-1963, 1965-2094, 2096-2105, 2107-2173, 2175-2613, 2615-2616, 2618-2643

X3F00100-00137, 139-146
C15  N5F00100-00102, 104-106, 500-705, 708-858, 860-1214
C18 N8F00100-00105, 500-556, 562-592, 595-636, 638-686, 688-892, 894-896

RT800101

T3500100-00115, 117-122

T4X00100, 200-206

X5F00100-00107
C9.3 CS900101-00112, 500-528, 530-764, 766-796, 801-820, 824-826, 835-838, 843-850, 852-858, 863-868, 884-887, 889-948, 953-959, 961-962, 964-982, 985-988, 990-995, 998-1001, 1003-1013, 1025-1026, 1031-1052, 1056-1062, 1065-1074, 1086-1125, 1128-1129, 1133-1148, 1150-1153, 1155-1185, 1188-1192, 1195-1421, 1423-1448, 1450-1459, 1463-1468, 1470-1476, 1478-1492, 1495, 1499-1500, 1502-1503, 1505, 1507-1549, 1551-1588, 1591-1594, 1596-1600, 1602-1689, 1691-1749, 1752-1753, 1755-1783, 1786-1788, 1791-1796, 1800-1803, 1805, 1807-1809, 1811-1814, 1816-1819, 1821-1863, 1865-1929

N1F00106-00107, 109
C9.3B  NGH00107-00114, 117-137
XQ425  X8H00100
XQ570  ME500102-00103
*******Group  4*******
735C  TFJ00141-00333
740  3T800036-00043
740 EJ  3T700161-00165
740C EJ  TFN00161-00202
745  3T600151-00507
745 OEM  JHW90101
745C  TFK00151-01693
745C OEM  JE800101-00116, 90117-90122
980M KRS00281-01351, 1701-1963, 2401-3033

MK210222-10257

XDJ00180-00184
982M F9A00150-00152, 201-226, 228-283, 401-418

K1Y00220-00660, 1001-1071, 1501-1741

MK610111-10116

XDL00280
986K MH800168-00172

SWH00251-00252
D8T AW400316-00321

FMC00213-00846, 1000-1423
R1700K  KT400125-00130
R2900  ZLK00125
*******Group  5*******
12M 3 N9B00100-00101, 103-598

N9F00100-00870

N9P00100-00260

N9R00100-00331
140M 3 N9D00100-00976

N9G00100-00270

N9J00100-00708

N9M00100-00545
14M 3  N9S00102-00103, 105-108, 202-203, 207-210, 225-266
160M 3 N9E00100-00110

N9K00100-00127

N9L00100-00171

N9T00100-00275
336 DKS00171-00175

YBN00136, 138-140, 142
336F NBL00169-00172, 10001-10031

PWB10101

YFD00187-00196, 10001-10035, 20001-20004
336F L DSW00147, 10001-10017, 20001

KCS00105-00133

LCL00152-00154, 10001-10012

NBS00231-00479, 10001-10008

RKB00241-02230, 10001-10592, 10594-10897, 20001-20149, 20151-20152, 20154-20212

SSN00198-00540, 10001-10106, 20001-20076

TJE10001-10005, 20001-20005

TZA00161-00601, 10001-10169, 20001-20045

WTZ00151-00250

ZBJ00141-00149, 10001-10006
336F L H  KGH00157, 160
336F L OEM B3500101-00108, 10001-10003

B3900101-00111, 90107-90117, 90200-90203
336F LN DKF00121-00123, 10001-10002

KFT00261-00308

LJY00131-00162, 10001-10072, 20001-20013

RBC00191-00342, 10001-10008

WCF10001-10007
336F LN H  MTW00164-00178
336F LNXE  YBH00121-00169, 10001-10017, 20001-20002
336F LXE DFY00133-00273, 10001-10044, 20001-20013

LTP00182-00312, 10001-10042, 20001-20013

PFL10001-10019, 20001-20002
336F OEM B3400101-00126, 10001-10004

WGF10101-10108
336F XE  NAJ00114-00117, 10001-10031, 20001
340  TYH00131-00132
340F EAR00251-00306, 10001-10005

RBD10001-10034, 20001-20013

SGH10001-10013, 20001

WBX00131-00133

XBD00145-00153

YBF00261-00271, 10001-10008
349  LKG00142
349F  HLB00136-00137, 10001-10020
349F L BZ200151-00387, 389-917, 10001-10342, 20001-20041, 20044, 20046, 20048-20068

FH290101-90102, 90200

HPD00101-00863, 10001-10258, 20001, 20003-20073

KEA00165-00184, 10001-10039, 20001-20004

TEW10001-10003
349F LXE RAX00105-00109, 10001-10009

SFG00114-00115, 10001-10009
352F RBF10001-10003

WNA10001-10011

XAL00121-00128, 10001-10004
352F (VG) A9J00251-00292, 10001-10021, 20001-20011

KBP00201-00459, 10001-10022

NDC00201-00217, 10001-10118, 20001-20015

TS290101-90103

YEG00201-00263, 10001-10017, 20001-20007
352F MH OEM  B3800101
352F OEM  MYD10101-10102
352F XE-VG MDR00189-00193, 10001-10021

SD200201-00232, 10001-10011
374F  AT200148-00160
374F L DNM00201-00501, 10001-10018

EBF00111-00113
374F OEM DP400101-00105, 10001-10002

DPE00101-00113
390F L FEH00211-00214, 10001-10070, 20001-20020

MGF00151-00359, 10001-10015
390F MH OEM  B3700101-00105, 10001, 98198
390F OEM EXB00101-00104

PT700101-00102

PYE10101
521C H  FKW00250
522C  SJN00100
621K  WTA00101-00126
621K OEM  WTE00101-00137
623K  WTB00101-00254
631K  WTR00101-00119
631K OEM  WT400100-00101
770G  KDH00202-00401
770G OEM  RMA00100-00103
772G  KEX00101, 103-366
772G OEM  RME00100-00101
973K  MKL00300-00303
D9T  REX00304-00532
MH3295  PA900301-00303
PM310  NMA00100-00101
PM312  NJ900100-00101
PM313  JH900100
PM620 HRC  JB900100-00160
PM622 HRC  JFC00100-00164
RM500B  MB900100-00176
*******Group  6*******
637K WTS00100-00127

WTT00101-00102
*******Group  7*******
627K  WTC00101-00282

PARTS NEEDED

Qty

Part Number Description
*******Group 1*******
1 20R9271 PUMP GP-DIESEL (12 Volt)
1 5848135 FILTER-DEF (As Required)
1 5848136 FILTER-DEF (As Required)
1 5848137 FILTER-DEF (As Required)
1 AFTSOFTWARE AFTERTREATMENT SOFTWARE
1 DCUSOFTWARE DCU SOFTWARE
1 ENGSOFTWARE ENGINE SOFTWARE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 2*******
1 20R9272 PUMP GP-DIESEL (24 Volt)
1 5848135 FILTER-DEF
1 AFTSOFTWARE AFTERTREATMENT SOFTWARE
1 DCUSOFTWARE DCU SOFTWARE
1 ENGSOFTWARE ENGINE SOFTWARE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 3*******
1 20R9271 PUMP GP-DIESEL (12 Volt)
1 20R9272 PUMP GP-DIESEL (24 Volt)
1 5848135 FILTER-DEF (As Required)
1 5848136 FILTER-DEF (As Required)
1 5848137 FILTER-DEF (As Required)
1 AFTSOFTWARE AFTERTREATMENT SOFTWARE
1 DCUSOFTWARE DCU SOFTWARE
1 ENGSOFTWARE ENGINE SOFTWARE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 4*******
1 20R9272 PUMP GP-DIESEL (24 Volt)
1 5848136 FILTER-DEF
1 AFTSOFTWARE AFTERTREATMENT SOFTWARE
1 DCUSOFTWARE DCU SOFTWARE
1 ENGSOFTWARE ENGINE SOFTWARE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 5*******
1 20R9272 PUMP GP-DIESEL (24 Volt)
1 5848137 FILTER-DEF
1 AFTSOFTWARE AFTERTREATMENT SOFTWARE
1 DCUSOFTWARE DCU SOFTWARE
1 ENGSOFTWARE ENGINE SOFTWARE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 6*******
2 20R9272 PUMP GP-DIESEL (24 Volt)
1 5848136 FILTER-DEF (Rear Engine)
1 5848137 FILTER-DEF (Front Engine)
2 AFTSOFTWARE AFTERTREATMENT SOFTWARE
2 DCUSOFTWARE DCU SOFTWARE
2 ENGSOFTWARE ENGINE SOFTWARE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 7*******
2 20R9272 PUMP GP-DIESEL (24 Volt)
2 5848137 FILTER-DEF
2 AFTSOFTWARE AFTERTREATMENT SOFTWARE
2 DCUSOFTWARE DCU SOFTWARE
2 ENGSOFTWARE ENGINE SOFTWARE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.


ACTION REQUIRED

Group 1: Update the Engine, Aftertreatment and DCU software files to the latest available in SIS. Replace the diesel exhaust fluid pump with pump (20R9271). Replace the DEF manifold filter with filter (584-8135 replaces 453-1604, 584-8136 replaces 453-1605, 584-8137 replaces 453-1606). Clean the DEF tank using the Diesel Exhaust Fluid Tank Flush procedure in SIS.

Group 2: Update the Engine, Aftertreatment and DCU software files to the latest available in SIS. Replace the diesel exhaust fluid pump with pump (20R9272). Replace the DEF manifold filter with filter (584-8135). Clean the DEF tank using the Diesel Exhaust Fluid Tank Flush procedure in SIS.

Group 3: Update the Engine, Aftertreatment and DCU software files to the latest available in SIS. Replace the diesel exhaust fluid pump with pump (20R9272 for 24 volt applications, 20R9271 for 12 volt applications). Replace the DEF manifold filter with filter (584-8135 replaces 453-1604, 584-8136 replaces 453-1605, 584-8137 replaces 453-1606). Clean the DEF tank using the Diesel Exhaust Fluid Tank Flush procedure in SIS.

Group 4: Update the Engine, Aftertreatment and DCU software files to the latest available in SIS. Replace the diesel exhaust fluid pump with pump (20R9272). Replace the DEF manifold filter with filter (584-8136). Clean the DEF tank using the Diesel Exhaust Fluid Tank Flush procedure in SIS.

Group 5: Update the Engine, Aftertreatment and DCU software files to the latest available in SIS. Replace the diesel exhaust fluid pump with pump (20R9272). Replace the DEF manifold filter with filter (584-8137). Clean the DEF tank using the Diesel Exhaust Fluid Tank Flush procedure in SIS.

Group 6: Update the Engine, Aftertreatment and DCU software files to the latest available in SIS. Replace the diesel exhaust fluid pump with pump (20R9272). Replace the DEF manifold filter with filter (584-8136 replaces 453-1605, 584-8137 replaces 453-1606). Clean the DEF tank using the Diesel Exhaust Fluid Tank Flush procedure in SIS.

Group 7: Update the Engine, Aftertreatment and DCU software files to the latest available in SIS. Replace the diesel exhaust fluid pump with pump (20R9272). Replace the DEF manifold filter with filter (584-8137). Clean the DEF tank using the Diesel Exhaust Fluid Tank Flush procedure in SIS.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-6000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs,
49-60 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 5.0-hour job for Group 1

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-6000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs,
49-60 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 5.0-hour job for Group 2

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 3*******
0-6000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs,
49-60 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 5.0-hour job for Group 3

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 4*******
0-6000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs,
49-60 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 5.0-hour job for Group 4

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 5*******
0-6000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs,
49-60 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 5.0-hour job for Group 5

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 6*******
0-6000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs,
49-60 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 5.0-hour job for Group 6

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 7*******
0-6000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
6001-8000 hrs,
49-60 mo 
33.0%
50.0%
0.0%
0.0%
50.0%
50.0%
 NOTE: This is a 5.0-hour job for Group 7



PARTS DISPOSITION

NACD:

Hold all 485-9753 DEF Pumps for a Parts Return Request (PRR). A Parts Return Request (PRR) will be issued to you through the Send-It-Back process after the claim is submitted. Make sure to list the service letter program number on the packing slip and include the closed work order paperwork. Handle all other parts in accordance with your Warranty Bulletin on warranty parts handling.

If a Parts Return Request (PRR) is not issued to you after 30 days through the Send-It-Back process, handle the parts in accordance with your warranty bulletin on warranty parts handling.

EAME, LACD, and APD:

Hold all 485-9753 DEF Pumps for 30 days for a possible Parts Return Request (PRR). Make sure to list the service letter program number on the packing slip and include the closed work order paperwork. Handle all other parts in accordance with your Warranty Bulletin on warranty parts handling.

If a Parts Return Request (PRR) is not issued to you after 30 days through the Send-It-Back process, handle the parts in accordance with your warranty bulletin on warranty parts handling.
 
 
 

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PRODUCT SUPPORT PROGRAM FOR REPLACING THE CLEANER FINGERS ON CERTAIN 826K, 836H, AND 836K LANDFILL COMPACTORS
PRODUCT SUPPORT PROGRAM FOR REPLACING PL641E V1 TO PL641E V2 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PL641E V1 TO PL641E V2 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PL641E V1 TO PL641E V2 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING PL641E V1 TO PL641E V2 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING PL641I V1 OR PL641E WITH A PL641I V2 OR PL641EV2 ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ACCESSORY DRIVE SHAFT BOLTS ON CERTAIN 785D, 785D OEM, 785G, 789D, 789G, 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 244-3114, 258-8987, 425-4563, OR 522-0906 VALVE GROUPS ON THE TRANSMISSION AND TORQUE CONVERTER AND REPLACING THE POWERTRAIN SOFTWARE ON CERTAIN 793F OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING A DEF PUMP ON CERTAIN 785G, 793F, 794 AC, AND 797F OFF-HIGHWAY TRUCKS, AND 994K WHEEL LOADERS
PRODUCT SUPPORT PROGRAM TO REPLACE PL240 TO PL243 4G CELLULAR RADIO ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE TORQUE OF THE GENERATOR COUPLING BOLTS ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS