 Other improvements include the change to a manual transmission with six forward speeds ( instead of the previous four ) , and increased stability resulting from wider track axles than its predecessor . Leaf springs were replaced with modern coil spring suspension front and rear , and the Storm II features rear Dana 44 axles and front TJ Dana 30s , factory designed slip <unk> <unk> , and the added safety of standard <unk> . Soldiers ' comfort was addressed as well with the addition of standard rear air conditioning and a compact disc player . 
