The DS-7N-9843 fuel injector nozzle can be used in Caterpillar 3406, 3408 and 3412 pre-combustion engine models typically utilized in the following applications:
- D35HP, D40D, D44, D44B, D350E, D400, D400D, D400E, D550 and D550B Articulated Trucks
- PM-565, PM-565B, PR-450, PR-450C and PR-1000C Cold Planers
- 825C, 825G, 826C, 826G and 836 Compactors
- 245, 245B, 245D, 375, 375L, 5080 and 5110B Excavators
- 16G, 16H, 24H, 621B, 621E, 621F, 623B, 623E, 623F, 627E, 627F, 824C, 824G, 980C, 980F and 980G Motor Graders
- PR-750B Pavement Profilers
- 578 and 589 Pipelayers
- RM-350, RR-250 and RR-250B Reclaimers
- 657E Scraper
- SF-550 Slipform Pavers
- SS250 and SS250B Soil Stabilizers
- 983B Track Loaders
- D8L, D8N, D8R, D9L, D9N, D9R, D10N, D10R and 772B Tractors
- 769C, 769D, 771C, 771D, 773B, 773D, 775B and 775D Trucks
- 988B, 988F, 990, 992C and 992D Wheel Loaders
- 631D, 631E, 633D, 633E, 637D, 637E, 639D, 651E, 657E, 768C, 834B and 844 Wheel Tractors
