Continuity mistake: Hector goes behind the counter in Los Pollos Hermanos and helps himself to a drink. The cup is under a different dispenser (and therefore a different drink) each time the shot changes, but the audio of the dispensing and the cup being filled remains intact throughout.
Factual error: When Hector and his men are in Los Pollos Hermanos there's a soda machine in the background with the current logos of the sodas when this episode took place before 2003. (00:12:33)
Answer: The bulldozer could be disassembled, the individual pieces carried down, and then reassembled once underground.
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