New Injector Wiring Harnesses Are Now Used on Certain C15 and C18 Machine Engines {1290, 1408} Caterpillar

Articulated Truck

735B (S/N: L4D1-462; T4P1-490; E4R1-1)

735C (S/N: TFJ1-303)

740B (S/N: L4E1-41945; GLH1-143; T4R1-32032; E4S1-139)

740B EJECTOR (S/N: L4F1-530; T4S1-383)

740C EJECTOR (S/N: LFN1-278; TFN1-197)

745 (S/N: 3F61-263; 3T61-155)

745C (S/N: JE81-90122; JE91-102; LFK1-1083; TFK1-1649)

Cold Planer

PM620 (S/N: JB91-152)

PM622 (S/N: JFC1-139)

Excavator

374F (S/N: AT21-160; AP41-243; EBF1-10048; NFJ1-10063; MFL1-10025; DNM1-10018)

390F (S/N: HJD1-10031; TYE1-223; MGF1-10013; FEH1-10036; HSM1-306; GAY1-10029)

Landfill Compactor

826K (S/N: 2321-6291; SET1-514)

836K (S/N: T6X1-UP; L6Z1-UP; LWZ1-231; TWZ1-620)

Material Handler

MH3295 (S/N: PA91-303)

Mobile Hydraulic Power Unit

374F MHPU (S/N: DP41-10002; H251-111)

390F MHPU (S/N: B371-98198; H271-90202)

OEM Excavator Based Specialty Solution

374F OEM (S/N: FH91-90200; P4L1-90205)

390F OEM (S/N: N641-90200; PT71-102; P4J1-90201)

Off-Highway Truck/Tractor

770G (S/N: RMA1-101; TWA1-152; KDH1-384; ECM1-351; ECX1-114)

772G (S/N: RME1-1; LTS1-410; KEX1-302; LTX1-210)

Pipelayer

PL72 (S/N: P731-132)

PL83 (S/N: CB21-182)

PL87 (S/N: TEC1-204)

Reclaimer Mixer

RM500B (S/N: MB91-159)

Soil Compactor

825K (S/N: 2331-5023; SEE1-213)

Track-Type Tractor

D8T (S/N: FMC1-1014; MLN1-2026; FCT1-1643; JET1-205)

D8T Series 2 (S/N: AW41-321)

D9T (S/N: REX1-770)

Wheel Dozer

824K (S/N: 2341-4009; RWB1-126)

834K (S/N: TW41-UP; L4Y1-UP; LWY1-750; TWY1-707)

Wheel Loader

986H (S/N: 9861-166; L8S1-357)

986K (S/N: MH81-172)

988K (S/N: T8E1-UP; L8X1-UP; LWX1-752; TWX1-1216)

988K XE (S/N: EWX1-154)

Wheel Tractor-Scraper

631K (S/N: WT41-1; WTR1-109; WTW1-104)

637K (S/N: WTS1-118; WTT1-1; WTX1-1)

Description Of Change: The new injector wiring harnesses have more clearance around the rocker arms.

Adaptable To: 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 new and former injector wiring harnesses are listed in Table 1.