A pipe loading system for a drilling machine includes a stem and a first receptacle adapted to removably receive a first end of a first pipe. The pipe loading system includes a guide ring removably disposed on the first receptacle and adapted to removably receive a first end of a second pipe. The pipe loading system also includes a second receptacle defining a first receiving portion and adapted to removably receive a second end of the first pipe. The pipe loading system further includes a liner assembly removably disposed on the second receptacle and defining a second receiving portion. The second receiving portion is adapted to removably receive a second end of the second pipe. A diameter of the second pipe is smaller than a diameter of the first pipe.