During the fight at the water tower, a hole is blown in the side of the water tank. The hole is approximately 4 ft. x 6 ft. that Lydecker climbs out of when he joins the fight. After the fight when the train is loaded with the Yaqui Indians and headed for town, the water tower is shown with the whole top of it blown off to the left of the screen.
At 1:04, Sarita is crying about the children being taken from the village. Tears stream down her face as she explains the situation to Yanqui Joe and Lydecker. Nine seconds later, after Lydecker says he will help, the tears are completely gone from Sarita's face, with no evidence they were ever there..
At first, Jim Brown goes around with a torn sleeve on his shirt, before getting it sown up. But, later on, during the interrogation of the American businessman, the sleeve is again torn.
After the fight in the desert, the rebels see the Mexican Army coming across the vast wasteland toward them. They ride down the edge of a steep hill and in the very next scene are seen riding along a flowing river amongst lush green trees.
The machine gun on the porch would have had to shoot through the supports of the porch railing to hit the people on the ground below, but no damage is seen to the railing or supports.
After the fight with Lyedecker, when Yaqui Joe Herrera is hanging over the cliff from his manacles, a supporting rope is briefly visible.
At 1:42:12, when the small cannon on the train is blown up by dynamite thrown by Lyedecker, you can see the rope that is pulled to ensure the cannon falls over.
When Yaqui Joe's money purse is searched there are 1915 One and Ten Peso notes shown. The movie is set in 1912.