Vertical Back of Cab DPF Surface Temperatures Compact DPF Surface Temperatures Notes Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU USA141023213 Date 2.2018 Body Builder; Engine, MP7, MP8, and MP10 Page 22 (40) All Rights Reserved Position Thickness of Heat Insulation Heat During Active Regeneration Inlet Section Bottom 12.7 mm (0.5 in) 280 °C (536 °F) Inlet Section Side 6.35 mm (0.25 in) 290 °C (554 °F) Diesel Oxidation Catalyst (DOC) Section 6.35 mm (0.25 in) 280 °C (536 °F) DPF Section 6.35 mm (0.25 in) 280 °C (536 °F) Outlet Section Side 6.35 mm (0.25 in) 350 °C (662 °F) Outlet Section Top 25.4 mm (1.00 in) 220 °C 428 °F) Clamping Area Side No Insulation 350 °C (662 °F) Position Thickness of Heat Insulation Heat During Active Regeneration Inlet Section Bottom 12.7 mm (0.5 in) 280 °C (536 °F) Inlet Section Side 6.35 mm (0.25 in) 290 °C (554 °F) DOC Section 6.35 mm (0.25 in) 280 °C (536 °F) DPF Section 6.35 mm (0.25 in) 280 °C (536 °F) Outlet Section Side 6.35 mm (0.25 in) 290 °C (554 °F) Outlet Section Bottom 25.4 mm (1.00 in) 300 °C (572 °F) Clamping Area Side No Insulation 350 °C (662 °F)