CHALLENGER 55 CHALLENGER 6NN Challenger 55 Agricultural Tractor 60 in (1524 mm) Base Gauge 6NN00001-UP (MACHINE) POWERED BY 3126 Engine SEBP2846 55 6NN (1998) Parts group 55: For full view, you need register ENGINE ARRANGEMENT ENGINE AR 154-6055 ENGINE AR 154-6055 ENGINE AR S/N 55K2530-UP BASIC PART OF 158-0541 BASE UNIT AR 154-6057 ENGINE AR-CORE 154-6057 ENGINE AR-CORE S/N 55K2530-UPPART OF 154-6055 ENGINE AR 159-5993 INSTALLATION AR-ENGINE 159-5993 INSTALLATION AR-ENGINE S/N 6NN1-UPPART OF 158-0541 BASE UNIT AR 456-2534 KIT-ENGINE GASKET 456-2534 KIT-ENGINE GASKET S/N 6NN1-UP KIT CONTAINS GASKETS, SEALS, AND BENDABLE LOCKS TO REINSTALL THE REAR COVER.. KIT DOES NOT INCLUDE THE OIL PAN GASKETS. FOR USE WITH @@@@@154-6055@@@@@ Information: (For parts list, see above) Truck sale: 154,000 Caterpillar APS550, Construction - mobile generator sets MACALLISTER MACHINERY CO., INC USD $199,500 2011 CAT 550 WESTERN MICHIGAN EQUIPMENTTraverse City, Michigan USD $225,000 2011 CAT 550 PONSSE USA INCRhinelander, Wisconsin