2012/01/31 Caterpillar

Excavator:

320D (S/N: ZGB1-UP; HJC1-UP; DHE1-UP; TAE1-UP; BZF1-UP; KGF1-UP; KTF1-UP; MCH1-UP; TDH1-UP; DHK1-UP; FXK1-UP; XCK1-UP; FAL1-UP; GKL1-UP; KLM1-UP; KHN1-UP; SPN1-UP; WBN1-UP; BZP1-UP; GDP1-UP; GKS1-UP; PDS1-UP; YDS1-UP; DFT1-UP; EJT1-UP; EAX1-UP; GMX1-UP; PCX1-UP; PHX1-UP; CXY1-UP; EBY1-UP)

321D (S/N: TXA1-UP; PBD1-UP; MPG1-UP; KBH1-UP; NAS1-UP; MDT1-UP; JCX1-UP; KBZ1-UP)

323D (S/N: WGC1-UP; YSD1-UP; WNE1-UP; GTF1-UP; ZMF1-UP; CWG1-UP; NES1-UP)

Mobile Hydraulic Power Unit:

320D MHPU (S/N: PRR1-UP; GPX1-UP)

Service Magazine, SEPD1369, 14 December 2011, "An Improved Pin for the Boom is Now Used on Certain Excavators and Mobile Hydraulic Power Units". Disregard this article, refer to the article that follows.

Description of Change:

ReferenceSpecial Instruction, REHS5110, "Replacement Procedure for the Boom Nose of the Heavy Duty Boom on Certain Hydraulic Excavators"An improved pin for the boom is now used.

Adaptable To:

Illustration 1	g02466139
Boom PT4 connection.

An improved manufacturing process increases the strength of the 264-1702 Pin As. The stronger 264-1702 Pin As is more durable. Refer to table 1 for the effectivity of the improved pin.

Table 1

PT4 Pin Improvement
Model	Effectivity	Adaptability
320D	S/N:BZP1815-UP	S/N:BZP1-1814
	S/N:CXY416-UP	S/N:CXY1-415
	S/N:DFT590-UP	S/N:DFT1-589
	S/N:DHK1062-UP	S/N:DHK1-1061
	S/N:FAL6181-UP	S/N:FAL1-6180
	S/N:KGF5902-UP	S/N:KGF1-5901
	S/N:KLM161-UP	S/N:KLM1-160
	S/N:KTF762-UP	S/N:KFT1-761
	S/N:MCH214-UP	S/N:MCH1-213
	S/N:PHX2726-UP	S/N:PHX1-2725
	S/N:KHN149-UP	S/N:KHN1-148
	S/N:BZF217-UP	S/N:BZF1-216
	S/N:GKS249-UP	S/N:GKS1-248
	S/N:EAX236-UP	S/N:EAX1-235
	S/N:GDP548-UP	S/N:GDP1-547
	S/N:SPN835-UP	S/N:SPN1-834
	S/N:TDH177-UP	S/N:TDH1-176
	S/N:PDS203-UP	S/N:PDS1-202
	S/N:PCX207	S/N:PCX1-206
	S/N:PCX209	S/N:PCX208
	S/N:PCX212-UP	S/N:PCX210
	S/N:WBN282-UP	S/N:WBN1-281
	S/N:DHE242-UP	S/N:DHE1-241
	S/N:EBY119-UP	S/N:EBY1-118
	S/N:EJT152-UP	S/N:EJT1-151
	S/N:FXK225-UP	S/N:FXK1-224
	S/N:HJC133-UP	S/N:HJC1-132
	S/N:TAE118-UP	S/N:TAE1-117
	S/N:XCK558-UP	S/N:XCK1-557
	S/N:ZGB167-UP	S/N:ZGB1-166
	S/N:GPX494-UP	S/N:GPX1-493
	S/N:GKL140-UP	S/N:GKL1-139
	S/N:GMX162-UP	S/N:GMX1-161
	S/N:YDS170-UP	S/N:YDS1-169
	S/N:PRR103-UP	S/N:PRR1-102
321D	S/N:JCX170-UP	S/N:JCX1-169
	S/N:KBH211-UP	S/N:KBH1-210
	S/N:KBZ164-UP	S/N:KBZ1-163
	S/N:MDT304-UP	S/N:MDT1-303
	S/N:MPG213-UP	S/N:MPG1-212
	S/N:NAS462-UP	S/N:NAS1-461
	S/N:PBD233-UP	S/N:PBD1-232
	S/N:TXA280-UP	S/N:TXA1-279
323D	S/N:WNE129-UP	S/N:WNE1-128
	S/N:GTF193-UP	S/N:GTF1-192
	S/N:WGC190-UP	S/N:WGC1-189
	S/N:YSD882-UP	S/N:YSD1-881
	S/N:ZMF469-UP	S/N:ZMF1-468
	S/N:CWG273-UP	S/N:CWG1-272
	S/N:NES260-UP	S/N:NES1-259