Parts FILTERS Current Filters RESET Engine Model: 3.9 4B Horse Power: 125 CATEGORIES Engine Assys1 Engine Make Cummins 1 Engine Model 3.9 4B 1 Horse Power 125 1 Truck Make Freightliner 1 Truck Model MT45 1 Condition Used 1 Search 1 results for "3.9 4B", "125" 1-1 of 1 1 --select-- 10/page 15/page 25/page 50/page 100/page Cummins 3.9 4B (Stock # 1039-2) Engine Assys $4,500.00 Engine Make: Cummins Engine Model: 3.9 4B Horse Power: 125 Serial#: G Description: GOOD RUNNER MECHANICAL GOOD FOR CHANGE OVER 1-1 of 1 1