Size limit on the larger La Caja China (Model #2) is advertised as 100lb Pig, since the depth dimension has been increased beyond the Model #1. I'm not sure if that is optimistic hype.
Here's their ad:
La Caja China Model #2The largest capacity of the La Caja China Models
You can cook a huge amount of food in the Model #2.
Up to 100 lbs Pig, 16-18 whole Chickens, 4-6 Turkeys, 8-10 Pork Ribs Slabs, 8-10 Pork Shoulders or any other type of meat or fish. The Following Items Are Included: Charcoal Pan & Grid, Large Dripping Pan, 2 Stainless Steel Grills, 4 S/S Hooks, one Marinating Syringe, 2 Large Metal Handles & Instructions.
Length: 48" Width: 24" Height: 24" Inside Depth: 12 3/4". Boxes are made of BC Plywood, lined with Marine Aluminum Gauge .032.