Parts FILTERS Current Filters RESET Engine Model: MX13 Horse Power: 431 CATEGORIES Engine Assys1 Engine Make PACCAR 1 Engine Model MX13 1 Horse Power 431 1 Truck Make Peterbilt 1 Truck Model 579 1 Condition Used 1 Search 1 results for "MX13", "431" 1-1 of 1 1 --select-- 10/page 15/page 25/page 50/page 100/page PACCAR MX13 (Stock # 059B ENGINE) Engine Assys $10,000.00 Engine Make: PACCAR Engine Model: MX13 Horse Power: 431 Serial#: UNKNOWN Description: USED PACCAR MX13 ENGINE FROM A 2013 PETERBILT 579. CHECK WHITE AND BRATSTREET COMPANY WEBSITE FOR WARRANTY INFORMATION. 1-1 of 1 1