An Improved Fuel Injector is Now Used on Certain C9.3 Machine Engines {1251, 1254, 1290, 1713} Caterpillar

An Improved Fuel Injector is Now Used on Certain C9.3 Machine Engines {1251, 1254, 1290, 1713}

Usage:

D6T 2B3

Articulated Truck: 725 (S/N: 3T91-114); 725C (S/N: T261-90105; TFB1-836); 725C2 (S/N: 2T31-867; TA71-90107)
Cold Planer: PM310 (S/N: KWA1-107; NMA1-118); PM312 (S/N: NJ91-145); PM313 (S/N: DK91-108; JH91-120)
Excavator: 336 (S/N: JWG1-10103); 336E (S/N: JEA1-190; RZA1-1060; KED1-375; YCE1-780; TEG1-245; BMH1-204; FJH1-1886; GTJ1-211; JRJ1-517; SSL1-183; YEP1-549; CMR1-440; HDW1-257; DPX1-114; BZY1-2855; GNY1-131; TMZ1-439); 336F (S/N: B391-90203; TZA1-20320; PWB1-1; RKB1-21407; RBC1-10008; YFD1-20030; TJE1-20031; DKF1-10002; WCF1-20010; KGH1-160; YBH1-20011; NAJ1-20018; ZBJ1-10006; LCL1-20009; NBL1-20014; PFL1-20005; SSN1-20205; LTP1-20060; KCS1-20257; NBS1-10008; KFT1-308; DSW1-20010; MTW1-178; DFY1-20052; LJY1-20100; WTZ1-250); 340F (S/N: RBD1-20068; XBD1-20020; YBF1-10008; SGH1-20030; EAR1-10005; WBX1-20013)
Forest Machine: 568 (S/N: GF81-241; L681-334; BRB1-401; YJX1-150)
Mobile Hydraulic Power Unit: 336E MHPU (S/N: G421-1; PCE1-1; RBS1-172; DSZ1-203; T3Z1-256); 336FMHPU (S/N: B341-10004; B351-10003; WGF1-90203; KTM1-1)
Motor Grader: 12M Series 2 (S/N: F9B1-220; F9M1-481; R9P1-199; R9S1-360); 12M Series 3 (S/N: N9B1-885; N9F1-1253; N9P1-278; N9R1-354); 140 (S/N: N941-141; N951-177); 140M Series 2 (S/N: M9D1-1844; R9G1-372; M9J1-2399; R9M1-559); 140M Series 3 (S/N: N9D1-1542; N9G1-295; N9J1-1130; N9M1-575); 160M Series 2 (S/N: M9E1-409; M9K1-425; R9L1-258; R9T1-349); 160M Series 3 (S/N: N9E1-1031; N9K1-1070; N9L1-196; N9T1-379)
Pipelayer: PL72 (S/N: P721-424; P731-415)
Site Prep Tractor: 2864C (S/N: SP41-118); 586C (S/N: SP51-124)
Track-Type Loader: 973K (S/N: MKL1-354)
Track-Type Tractor: D6 (S/N: GZ91-1; HNK1-1; KEW1-1; KTW1-1); D6 XE (S/N: ES91-301; LNC1-302; LRG1-301; HMH1-304; HZL1-302; D5M1-1; HLY1-1); D6T (S/N: 2D21-112; CR31-129; 2B31-335; MB51-395; AK71-110; MH71-1074; CG81-109; 7C91-191; SGA1-106; KSB1-2018; ZJB1-1715; JZC1-309; DTD1-1309; RAD1-1038; STE1-130; EJJ1-316; SLJ1-1291; GMK1-1667; RRK1-307; JML1-723; MEL1-243; JNM1-637; TSM1-418; WLM1-307; WRN1-583; K1R1-297; KMR1-639; PLR1-721; WES1-419; HYT1-449; SGT1-553; JRW1-78001; RCW1-1605; NDY1-546; TMY1-385; HTZ1-709; SGZ1-676); D7E (S/N: HKA1-539; TJA1-1273; SSH1-512; TAN1-1393; LTW1-701)
Wheel Loader: 950L (S/N: LXX1-10572); 966K (S/N: PBG1-10001; TFS1-1450); 966K Series XE (S/N: NGX1-441); 966L (S/N: FSL1-20244; FRS1-1916); 966M (S/N: MD71-421; EJA1-3123; DYC1-1388; R8D1-1254; LMM1-20105; KJP1-2978; L8R1-20203; GMS1-582); 966M Series XE (S/N: FL21-1820; P6C1-1137; DZL1-529; B8P1-501; XCR1-262); 972K (S/N: PEM1-947; Z4W1-771); 972L (S/N: RFB1-1411; YJW1-10242); 972M (S/N: A781-347; L8E1-1229; LSJ1-2535; GGN1-20104; WGN1-418; A8P1-1807; JPR1-960; M8W1-20203); 972M Series XE (S/N: AN31-351; L9S1-715; M5S1-366; EDW1-904; R1Z1-524); 980M (S/N: N8T1-925)
Wheel Tractor-Scraper: 627H (S/N: DBW1-348); 627K (S/N: WTC1-380); 637K (S/N: WTS1-144; WTT1-104)

Description Of Change: The injector solenoids have an improved silver coating to prevent electrical connection issues.

Adaptable To:

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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.

The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

The improvement has been made to the 456-3493 Fuel Injector Gp, 456-3509 Fuel Injector Gp, and 460-8213 Fuel Injector Gp.

This change is effective for the engine serial numbers listed in Table 1.

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