Engine, Vortec 4.8L V8 SFI (280 hp [208.8 kW] at 5200 rpm, 295 lb-ft of torque [398.3 N-m] at 4600 rpm) (Standard on the TG33503 and TG33803 models. With TG33503 requires (C4M) 9900 lbs. (4490 kg) GVWR or (9N2) 10,050 lbs. (4559 kg) GVWR. With TG33803 model requires (9N2) 10,050 lbs. (4559 kg) GVWR or (JFF) 10,100 lbs (4581 kg) GVWR. Not available on the TG33903 model. Not available with (ANC) Shuttle Bus Package or (C7N) 12,300 lbs. (5579 kg) GVWR. Not available with (ENC) HVAC system auxiliary rear heat provisions on TG33803 models. Includes external engine oil cooler. Reference the Engine/Axle page for availability.)
Rear axle, 3.42 ratio (Requires TG33503 and (L20) Vortec 4.8L V8 SFI engine or (L96) Vortec 6.0L V8 SFI engine and (C4M) 9900 lbs. (4490 kg) GVWR or (JFF) 10,100 lbs. (4581 kg) GVWR. With TG33803 models requires (L20) Vortec 4.8L V8 SFI engine or (L96) Vortec 6.0L V8 SFI engine and (JFF) 10,100 lbs. (4581 kg) GVWR.)
Body, standard
GVWR, 9900 lbs. (4490 kg) (Standard on the TG33503 model. Requires (R04) single rear wheel configuration. Not available with (R05) dual rear wheel configuration. Reference the Engine/Axle page for availability.)