SOLD! Operational Guaranty and 1 Month Engine Warranty! 2005 Princeton E2-3RVX 4 Way Piggyback Truck Mounted Forklift for sale! 2005 Princeton E2-3RVX 4 Way with 138″ Mast. Fully Reconditioned! New paint, steam cleaned, pressure/leaked tested and fully serviced! 2005 Princeton E2-3RVX 4 Way Piggy Back forklift for sale.