Engines | Mounts, , USED E7-427 SEMI-ELECTRONIC MACK ENGINE WITH JAKE BRAKE(ENGINE BRAKE), COMPLETE, INSPECTED AND TESTED RUNNING ENGINE.ALSO MANY ENGINES IN STOCK. - FOR PRICE AND SHIPPING CONTACT US AT 786.412.1447 OR 786.412.8910, ALSO VISIT 4-TRUCKS TO SEE ALL INVENTORY.