Buy Now - 14ft Box, 6 Cyl Cummins B5.9/ISB Diesel,, Automatic, Built-In Refrigerator, Sliding Rear, Door, S/N: 4UZA4FA41YCF81921. 313489 Miles, Indicated. NOTE: Set Up for Catering, This vehicle, cannot be registered or driven in California due to CARB Tier Regulations.