Home/8.3L Cummins 8.3L Cummins SelectedOKCancel Select date range ...TodaySince YesterdayLess than 7 days agoLess than 30 days ago Category Finished Skoolie Gutted Skoolie Partial Conversions School Bus Shuttle Bus Type Finished Skoolie Gutted Skoolie Partial Conversions School Bus Shuttle Bus Size Full-Size Mid-Sized Short Length 25′ or Less 26′ – 30′ 31′ – 35′ 36′ – 40′ 41′ or More Make Blue Bird Carpenter Chevy Collins Dodge Ford Freightliner Gillig GMC International Mercedes Other Thomas Built Features Dog Nose Flat Nose Front Engine Quigley 4×4 Rear Engine Roof Raised Vintage Engines 4.3L Vortec 5.7L Vortec 5.9L Cummins 6.0L Powerstroke 6.0L Vortec 6.4L Powerstroke 6.5L Detroit 6.6L Duramax 6.7L Cummins 6.7L Powerstroke 7.3 IDI 7.3L Powerstroke 8.3L Cummins CAT 3116 CAT 3126 CAT 3208 CAT C7 Cummins L9 DT360 DT466 / DT466E MBE 900 Other T444E VT365 Transmission Allison 1000 Series Allison 2000 Series Allison 3000 Series Allison AT545 Allison MD3060 Allison MT643 Allison MT647 Other Advanced Search SEARCH 2006 Thomas Safe-T-Liner HDX Full Length Partial Conversion May 13, 2025 Oregon $24,000 1990 Thomas 36′ with cummins/allison fully converted April 16, 2025 Washington $55,000 1995 Thomas West Coaster School Bus “Mountain Package” March 25, 2025 Florida $11,995 2003 Blue Bird All American (School Bus, Partial Conversion) March 22, 2025 Colorado $20,000 2009 40 ft Blue Bird All American Finished skoolie sold March 24, 2025 Virginia $35,000